<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019f810f-fc7c-70de-85df-a2f7abf38ad6,g:8753bfaa-04e6-4a62-ad1c-11fd45de14ae-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.keelinfra.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="keel-20260630.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019f8122-323f-79d5-bfad-446cd204b5f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Cash_019f8122-323f-770d-9bd1-38d8646a3c00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Cash"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f8122-323f-79d5-bfad-446cd204b5f0" xlink:to="loc_us-gaap_Cash_019f8122-323f-770d-9bd1-38d8646a3c00" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019f8122-323f-79eb-a6e7-889889826fcd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f8122-323f-79d5-bfad-446cd204b5f0" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019f8122-323f-79eb-a6e7-889889826fcd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetFairValueCurrent_019f8122-323f-72f3-af97-530921f9d7e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetFairValueCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f8122-323f-79d5-bfad-446cd204b5f0" xlink:to="loc_us-gaap_CryptoAssetFairValueCurrent_019f8122-323f-72f3-af97-530921f9d7e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetFairValueRestricted_019f8122-323f-7091-b1ea-a280206faf68" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetFairValueRestricted"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f8122-323f-79d5-bfad-446cd204b5f0" xlink:to="loc_us-gaap_CryptoAssetFairValueRestricted_019f8122-323f-7091-b1ea-a280206faf68" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019f8122-323f-7962-be94-e9590e29816e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f8122-323f-79d5-bfad-446cd204b5f0" xlink:to="loc_us-gaap_OtherAssetsCurrent_019f8122-323f-7962-be94-e9590e29816e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_RightsToRenewableEnergyCreditsAndWasteTaxCreditsCurrent_019f8122-323f-7925-b402-809c23715cdb" xlink:href="keel-20260630.xsd#keel_RightsToRenewableEnergyCreditsAndWasteTaxCreditsCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f8122-323f-79d5-bfad-446cd204b5f0" xlink:to="loc_keel_RightsToRenewableEnergyCreditsAndWasteTaxCreditsCurrent_019f8122-323f-7925-b402-809c23715cdb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019f8122-323f-7b2d-a9a5-a66ae199f7c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f8122-323f-79d5-bfad-446cd204b5f0" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019f8122-323f-7b2d-a9a5-a66ae199f7c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepositsAssetsCurrent_019f8122-323f-7706-a054-bc224e39f37c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepositsAssetsCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f8122-323f-79d5-bfad-446cd204b5f0" xlink:to="loc_us-gaap_DepositsAssetsCurrent_019f8122-323f-7706-a054-bc224e39f37c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019f8122-323f-7ba3-bafd-b1a4bab6c56d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f8122-323f-79d5-bfad-446cd204b5f0" xlink:to="loc_us-gaap_InventoryNet_019f8122-323f-7ba3-bafd-b1a4bab6c56d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_019f8122-323f-71d7-9d4d-0c538adf1cb5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f8122-323f-79d5-bfad-446cd204b5f0" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_019f8122-323f-71d7-9d4d-0c538adf1cb5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019f8122-323f-7d57-a4ed-9bbcb540692f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_019f8122-323f-7cc3-9fec-80bc32fafaf5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019f8122-323f-7d57-a4ed-9bbcb540692f" xlink:to="loc_us-gaap_PreferredStockValue_019f8122-323f-7cc3-9fec-80bc32fafaf5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019f8122-323f-75c1-a71c-baf66bfef009" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019f8122-323f-7d57-a4ed-9bbcb540692f" xlink:to="loc_us-gaap_CommonStockValue_019f8122-323f-75c1-a71c-baf66bfef009" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019f8122-323f-7b3f-87a2-3e3c96286e59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019f8122-323f-7d57-a4ed-9bbcb540692f" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019f8122-323f-7b3f-87a2-3e3c96286e59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fa449-eb1b-7a63-b481-fc3db75862c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019f8122-323f-7d57-a4ed-9bbcb540692f" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fa449-eb1b-7a63-b481-fc3db75862c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019f8122-323f-731d-bc99-ef758bff248c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019f8122-323f-7655-beaf-97aec97361b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019f8122-323f-731d-bc99-ef758bff248c" xlink:to="loc_us-gaap_Liabilities_019f8122-323f-7655-beaf-97aec97361b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019f8122-323f-7648-8c1a-20e5206e82b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019f8122-323f-731d-bc99-ef758bff248c" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019f8122-323f-7648-8c1a-20e5206e82b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019f8122-323f-7008-b2a9-078370c21d40" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019f8122-323f-731d-bc99-ef758bff248c" xlink:to="loc_us-gaap_StockholdersEquity_019f8122-323f-7008-b2a9-078370c21d40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019f8122-323f-7151-b6c9-795af27eb8df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019f8122-323f-7a1b-bf19-af1e123c3081" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f8122-323f-7151-b6c9-795af27eb8df" xlink:to="loc_us-gaap_AssetsCurrent_019f8122-323f-7a1b-bf19-af1e123c3081" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashNoncurrent_019f8122-323f-7ad3-9578-188715be839b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f8122-323f-7151-b6c9-795af27eb8df" xlink:to="loc_us-gaap_RestrictedCashNoncurrent_019f8122-323f-7ad3-9578-188715be839b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_RightsToWasteTaxCreditsNonCurrent_019f8122-323f-7ca1-880a-baeb8be4e185" xlink:href="keel-20260630.xsd#keel_RightsToWasteTaxCreditsNonCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f8122-323f-7151-b6c9-795af27eb8df" xlink:to="loc_keel_RightsToWasteTaxCreditsNonCurrent_019f8122-323f-7ca1-880a-baeb8be4e185" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019f8122-323f-7d88-b7bc-85900779f73b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f8122-323f-7151-b6c9-795af27eb8df" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019f8122-323f-7d88-b7bc-85900779f73b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_019f8122-323f-76a4-8531-802392fb7e61" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f8122-323f-7151-b6c9-795af27eb8df" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_019f8122-323f-76a4-8531-802392fb7e61" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_019f8122-323f-731d-9945-408f3e767825" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f8122-323f-7151-b6c9-795af27eb8df" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_019f8122-323f-731d-9945-408f3e767825" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LongTermDepositsAndEquipmentPrepayments_019f8122-323f-7d5c-a649-51ce1a14f217" xlink:href="keel-20260630.xsd#keel_LongTermDepositsAndEquipmentPrepayments"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f8122-323f-7151-b6c9-795af27eb8df" xlink:to="loc_keel_LongTermDepositsAndEquipmentPrepayments_019f8122-323f-7d5c-a649-51ce1a14f217" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019f8122-323f-79ae-9674-91ac58a92714" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f8122-323f-7151-b6c9-795af27eb8df" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019f8122-323f-79ae-9674-91ac58a92714" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_019f8122-323f-7570-89c9-20b3078b0bd7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f8122-323f-7151-b6c9-795af27eb8df" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_019f8122-323f-7570-89c9-20b3078b0bd7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019f8122-323f-7650-ad31-7fee8605d2e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f8122-323f-7151-b6c9-795af27eb8df" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019f8122-323f-7650-ad31-7fee8605d2e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019f8122-323f-79b2-85cf-1c91e96f2025" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019f8122-323f-79f3-8588-81d01515c0ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f8122-323f-79b2-85cf-1c91e96f2025" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019f8122-323f-79f3-8588-81d01515c0ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019f8122-323f-70a6-8022-bd4f761d9fc7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f8122-323f-79b2-85cf-1c91e96f2025" xlink:to="loc_us-gaap_LongTermDebtCurrent_019f8122-323f-70a6-8022-bd4f761d9fc7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019f8122-323f-76fc-877e-7f12602255c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f8122-323f-79b2-85cf-1c91e96f2025" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019f8122-323f-76fc-877e-7f12602255c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_019f8122-323f-7d3e-82ce-15d6a94f1330" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f8122-323f-79b2-85cf-1c91e96f2025" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_019f8122-323f-7d3e-82ce-15d6a94f1330" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_019f8122-323f-7752-a6a6-6e92f1d9dc43" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f8122-323f-79b2-85cf-1c91e96f2025" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_019f8122-323f-7752-a6a6-6e92f1d9dc43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019f8122-323f-7e7e-9acf-38b2979c72a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019f8122-323f-726c-8aae-7e8210a4035c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019f8122-323f-7e7e-9acf-38b2979c72a8" xlink:to="loc_us-gaap_LiabilitiesCurrent_019f8122-323f-726c-8aae-7e8210a4035c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019f8122-323f-7893-89aa-bb6268f805b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019f8122-323f-7e7e-9acf-38b2979c72a8" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019f8122-323f-7893-89aa-bb6268f805b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019f8122-323f-7449-9729-0b664b6f0346" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019f8122-323f-7e7e-9acf-38b2979c72a8" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019f8122-323f-7449-9729-0b664b6f0346" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_019f8122-323f-7604-a55a-82060429494e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019f8122-323f-7e7e-9acf-38b2979c72a8" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_019f8122-323f-7604-a55a-82060429494e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019f8122-323f-7eed-84c8-8efb1abd5539" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019f8122-323f-7e7e-9acf-38b2979c72a8" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019f8122-323f-7eed-84c8-8efb1abd5539" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019f8122-323f-734d-b4b8-95422439d778" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019f8122-323f-7e7e-9acf-38b2979c72a8" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019f8122-323f-734d-b4b8-95422439d778" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="keel-20260630.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_019f8122-3240-7cfb-83b3-8b884060e406" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f8122-3240-79ac-891e-ffb401f75189" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_019f8122-3240-7cfb-83b3-8b884060e406" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f8122-3240-79ac-891e-ffb401f75189" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019f8122-3240-7bf0-b3c7-709699ac2533" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_019f8122-3240-7cfb-83b3-8b884060e406" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019f8122-3240-7bf0-b3c7-709699ac2533" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019f8122-323f-7a0a-a2cb-ffde17ee7006" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_019f8122-323f-7c00-8c0a-7df4c3719742" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019f8122-323f-7a0a-a2cb-ffde17ee7006" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_019f8122-323f-7c00-8c0a-7df4c3719742" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019f8122-323f-7611-91dc-16b0d33e8361" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019f8122-323f-7a0a-a2cb-ffde17ee7006" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019f8122-323f-7611-91dc-16b0d33e8361" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019f8122-323f-7ed8-8bcc-19e99848be94" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019f8122-323f-7a0a-a2cb-ffde17ee7006" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019f8122-323f-7ed8-8bcc-19e99848be94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019f8122-323f-7482-b0eb-57d44c53e7fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019f8122-323f-7a0a-a2cb-ffde17ee7006" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019f8122-323f-7482-b0eb-57d44c53e7fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeInterestEarningAsset_019f8122-323f-7fb3-9c08-9ed439cec5f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeInterestEarningAsset"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019f8122-323f-7a0a-a2cb-ffde17ee7006" xlink:to="loc_us-gaap_InterestIncomeInterestEarningAsset_019f8122-323f-7fb3-9c08-9ed439cec5f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f8122-323f-74d3-92ad-75540ef3e214" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019f8122-323f-7d44-9d4b-e4f28cd25ac2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f8122-323f-74d3-92ad-75540ef3e214" xlink:to="loc_us-gaap_OperatingIncomeLoss_019f8122-323f-7d44-9d4b-e4f28cd25ac2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019f8122-323f-703e-b03b-3f107cc5a19f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f8122-323f-74d3-92ad-75540ef3e214" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_019f8122-323f-703e-b03b-3f107cc5a19f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019f8122-323f-7546-a16c-6e710779c0c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_019f8122-323f-7216-b0cb-8aead864bd93" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019f8122-323f-7546-a16c-6e710779c0c4" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_019f8122-323f-7216-b0cb-8aead864bd93" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019f8122-323f-7c33-97f0-3516d1488d6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019f8122-323f-7546-a16c-6e710779c0c4" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019f8122-323f-7c33-97f0-3516d1488d6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019fa561-f2d8-782f-95c7-b6d4ea839c8f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_019fa561-f2d8-7336-a841-3ab7ab1325c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_019fa561-f2d8-782f-95c7-b6d4ea839c8f" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_019fa561-f2d8-7336-a841-3ab7ab1325c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_019fa561-f2d8-7521-b157-3053f12f2194" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_019fa561-f2d8-782f-95c7-b6d4ea839c8f" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_019fa561-f2d8-7521-b157-3053f12f2194" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019f8122-3240-744b-9abc-02db4fd8ac82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019f8122-3240-7943-89b2-025a6656fd7d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019f8122-3240-744b-9abc-02db4fd8ac82" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019f8122-3240-7943-89b2-025a6656fd7d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019f8122-3240-7c79-99f0-2d76fa947718" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019f8122-3240-744b-9abc-02db4fd8ac82" xlink:to="loc_us-gaap_CostOfRevenue_019f8122-3240-7c79-99f0-2d76fa947718" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019f8122-323f-74cb-8392-87648bfa54d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019f8122-323f-7ea6-b8a1-3ed5b2654289" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019f8122-323f-74cb-8392-87648bfa54d5" xlink:to="loc_us-gaap_GrossProfit_019f8122-323f-7ea6-b8a1-3ed5b2654289" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetUnrealizedGainLossOperating_019f8122-323f-75bf-a317-00beaf1ddf0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetUnrealizedGainLossOperating"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019f8122-323f-74cb-8392-87648bfa54d5" xlink:to="loc_us-gaap_CryptoAssetUnrealizedGainLossOperating_019f8122-323f-75bf-a317-00beaf1ddf0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetRealizedGainLossOperating_019f8122-323f-7b12-91a0-5b25794dc725" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetRealizedGainLossOperating"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019f8122-323f-74cb-8392-87648bfa54d5" xlink:to="loc_us-gaap_CryptoAssetRealizedGainLossOperating_019f8122-323f-7b12-91a0-5b25794dc725" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_019f8122-323f-7ff2-88cd-2f343342610f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019f8122-323f-74cb-8392-87648bfa54d5" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_019f8122-323f-7ff2-88cd-2f343342610f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019f8122-323f-7c83-98e4-4afdbbf7eff5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019f8122-323f-74cb-8392-87648bfa54d5" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019f8122-323f-7c83-98e4-4afdbbf7eff5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_019f8122-323f-7136-8813-c6e33a22edac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019f8122-323f-74cb-8392-87648bfa54d5" xlink:to="loc_us-gaap_AssetImpairmentCharges_019f8122-323f-7136-8813-c6e33a22edac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019fa561-bc7a-773d-becb-3f28f33ee4f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_019fa562-1a1a-7d16-85fd-10148e6cdc8e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_019fa561-bc7a-773d-becb-3f28f33ee4f3" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_019fa562-1a1a-7d16-85fd-10148e6cdc8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_019fa561-bc7a-7f67-8b5f-febbdc3696e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_019fa561-bc7a-773d-becb-3f28f33ee4f3" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_019fa561-bc7a-7f67-8b5f-febbdc3696e1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="keel-20260630.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019f8122-3240-7f92-8a36-dd41ded0d2a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_us-gaap_NetIncomeLoss_019f8122-3240-7f92-8a36-dd41ded0d2a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_019f8122-3240-7e28-8999-5a0af49c1506" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_us-gaap_DepreciationAndAmortization_019f8122-3240-7e28-8999-5a0af49c1506" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_ImpairmentOfLongLivedAssetsAndDepositsIncludingContinuingAndDiscontinuedOperations_019f8122-3240-7f13-a377-4f4e2fc27838" xlink:href="keel-20260630.xsd#keel_ImpairmentOfLongLivedAssetsAndDepositsIncludingContinuingAndDiscontinuedOperations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_keel_ImpairmentOfLongLivedAssetsAndDepositsIncludingContinuingAndDiscontinuedOperations_019f8122-3240-7f13-a377-4f4e2fc27838" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_019f8122-3240-7b71-835a-80dbeca9cf21" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_019f8122-3240-7b71-835a-80dbeca9cf21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_DigitalAssetsEarnedAndHostingRevenueReceivedInBTC_019f8122-3240-7aaf-9a12-5794d8a49549" xlink:href="keel-20260630.xsd#keel_DigitalAssetsEarnedAndHostingRevenueReceivedInBTC"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_keel_DigitalAssetsEarnedAndHostingRevenueReceivedInBTC_019f8122-3240-7aaf-9a12-5794d8a49549" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019f8122-3240-731a-a189-e3dd7ee06950" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_us-gaap_ShareBasedCompensation_019f8122-3240-731a-a189-e3dd7ee06950" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_RenewableEnergyCreditsEarned_019f8122-3240-7be3-8730-b8f81caa11ec" xlink:href="keel-20260630.xsd#keel_RenewableEnergyCreditsEarned"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_keel_RenewableEnergyCreditsEarned_019f8122-3240-7be3-8730-b8f81caa11ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_019f8122-3240-7433-8745-353e449510ad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_019f8122-3240-7433-8745-353e449510ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_RevaluationOfOperatingLeaseLiability_019f8122-3240-7188-93e5-2851e56bb64b" xlink:href="keel-20260630.xsd#keel_RevaluationOfOperatingLeaseLiability"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_keel_RevaluationOfOperatingLeaseLiability_019f8122-3240-7188-93e5-2851e56bb64b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetRealizedGainLossOperating_019f8122-3240-796d-8041-0bed23eaf256" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetRealizedGainLossOperating"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_us-gaap_CryptoAssetRealizedGainLossOperating_019f8122-3240-796d-8041-0bed23eaf256" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_019f8122-3240-711c-bdf3-04774997f915" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_019f8122-3240-711c-bdf3-04774997f915" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetUnrealizedGainLossOperating_019f8122-3240-7568-8ec5-28c814743a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetUnrealizedGainLossOperating"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_us-gaap_CryptoAssetUnrealizedGainLossOperating_019f8122-3240-7568-8ec5-28c814743a6e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_InterestIncomeReceived_019f8122-3240-733d-95e6-adc1af4336f3" xlink:href="keel-20260630.xsd#keel_InterestIncomeReceived"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_keel_InterestIncomeReceived_019f8122-3240-733d-95e6-adc1af4336f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_019f8122-3240-70d7-9e13-50118704c90a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestPaidNet"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_us-gaap_InterestPaidNet_019f8122-3240-70d7-9e13-50118704c90a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_019f8122-3240-7923-9c66-7f9930ef7170" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_us-gaap_IncomeTaxesPaidNet_019f8122-3240-7923-9c66-7f9930ef7170" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_ProceedsFromDispositionOfRenewableEnergyAndWasteTaxCredits_019f8122-3240-7d7c-90b9-392f0d3a0815" xlink:href="keel-20260630.xsd#keel_ProceedsFromDispositionOfRenewableEnergyAndWasteTaxCredits"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_keel_ProceedsFromDispositionOfRenewableEnergyAndWasteTaxCredits_019f8122-3240-7d7c-90b9-392f0d3a0815" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_ChangesInNonCashWorkingCapitalComponents_019f8122-3240-7b4a-9a98-717bf72103ae" xlink:href="keel-20260630.xsd#keel_ChangesInNonCashWorkingCapitalComponents"/>
    <link:calculationArc order="17" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-724a-8985-010cb21b0a0b" xlink:to="loc_keel_ChangesInNonCashWorkingCapitalComponents_019f8122-3240-7b4a-9a98-717bf72103ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_019f8122-3240-7e43-a5c9-0e87fd2e5e73" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-70df-8fcf-8905ae2f580c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_019f8122-3240-7e43-a5c9-0e87fd2e5e73" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019f8122-3240-70df-8fcf-8905ae2f580c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-75b8-86ae-ea848cd60806" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_019f8122-3240-7e43-a5c9-0e87fd2e5e73" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-75b8-86ae-ea848cd60806" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019f8122-3240-73a1-9d7b-3cb3c122f6e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_019f8122-3240-7e43-a5c9-0e87fd2e5e73" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019f8122-3240-73a1-9d7b-3cb3c122f6e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDisposalCryptoAsset_019f8122-3240-7172-b933-b62d4eaffb5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromDisposalCryptoAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:to="loc_us-gaap_ProceedsFromDisposalCryptoAsset_019f8122-3240-7172-b933-b62d4eaffb5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019f8122-3240-7ee4-a72f-d074b5789a4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019f8122-3240-7ee4-a72f-d074b5789a4c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_019f8122-3240-7685-8d7e-a906fcd24d8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_019f8122-3240-7685-8d7e-a906fcd24d8a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities_019f8122-3240-7387-b1b9-2d11cb489923" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:to="loc_us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities_019f8122-3240-7387-b1b9-2d11cb489923" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets_019f8122-3240-78ce-8093-a12bf72d1e16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:to="loc_us-gaap_ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets_019f8122-3240-78ce-8093-a12bf72d1e16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_019f8122-3240-7cbb-9146-e1d1a7e2ab02" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_019f8122-3240-7cbb-9146-e1d1a7e2ab02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireMarketableSecurities_019f8122-3240-796b-a9e4-1586b44160cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireMarketableSecurities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:to="loc_us-gaap_PaymentsToAcquireMarketableSecurities_019f8122-3240-796b-a9e4-1586b44160cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForDerivativeInstrumentInvestingActivities_019f8122-3240-7688-9120-cfb1b347d2fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForDerivativeInstrumentInvestingActivities"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:to="loc_us-gaap_PaymentsForDerivativeInstrumentInvestingActivities_019f8122-3240-7688-9120-cfb1b347d2fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfAdvancesForConstruction_019f8122-3240-77ec-9a26-746252408a8b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfAdvancesForConstruction"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:to="loc_us-gaap_RepaymentsOfAdvancesForConstruction_019f8122-3240-77ec-9a26-746252408a8b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_019f8122-3240-7c64-b968-2ed6d6246756" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_019f8122-3240-7c64-b968-2ed6d6246756" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_019f9329-6bac-788d-8f6f-bc48ab37c1e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireEquitySecuritiesFvNi"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019f8122-3240-71c5-94ef-49cd840d0cb8" xlink:to="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_019f9329-6bac-788d-8f6f-bc48ab37c1e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019f8122-3240-7b05-82ab-0b027d9bfb25" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_019f8122-3240-73ff-829e-dbcdbb73764e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019f8122-3240-7b05-82ab-0b027d9bfb25" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_019f8122-3240-73ff-829e-dbcdbb73764e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_019f932b-28dd-7ab0-b082-a0f82e8f438a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019f8122-3240-7b05-82ab-0b027d9bfb25" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_019f932b-28dd-7ab0-b082-a0f82e8f438a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOrSaleOfEquity_019f8122-3240-71f5-a895-372d4b6dfb2a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019f8122-3240-7b05-82ab-0b027d9bfb25" xlink:to="loc_us-gaap_ProceedsFromIssuanceOrSaleOfEquity_019f8122-3240-71f5-a895-372d4b6dfb2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_019f8122-3240-70a0-b5e8-6999fbd11e0a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromDebtNetOfIssuanceCosts"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019f8122-3240-7b05-82ab-0b027d9bfb25" xlink:to="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_019f8122-3240-70a0-b5e8-6999fbd11e0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_ProceedsFromExerciseOfStockOptionsAndWarrants_019f8122-3240-7b51-8664-5a74980bbd73" xlink:href="keel-20260630.xsd#keel_ProceedsFromExerciseOfStockOptionsAndWarrants"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019f8122-3240-7b05-82ab-0b027d9bfb25" xlink:to="loc_keel_ProceedsFromExerciseOfStockOptionsAndWarrants_019f8122-3240-7b51-8664-5a74980bbd73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForDerivativeInstrumentFinancingActivities_019fa4a4-e476-749b-a813-f8233fc84ef3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForDerivativeInstrumentFinancingActivities"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019f8122-3240-7b05-82ab-0b027d9bfb25" xlink:to="loc_us-gaap_PaymentsForDerivativeInstrumentFinancingActivities_019fa4a4-e476-749b-a813-f8233fc84ef3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/BUSINESSCOMBINATIONScheduleofFinalPurchasePriceAllocationandtheFairValueoftheNetAssetsDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#BUSINESSCOMBINATIONScheduleofFinalPurchasePriceAllocationandtheFairValueoftheNetAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/BUSINESSCOMBINATIONScheduleofFinalPurchasePriceAllocationandtheFairValueoftheNetAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_019f8122-3240-7b5c-be42-e8316b8347e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_019f8122-3240-7b5c-be42-e8316b8347e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_019f8122-3240-7356-aadd-375d9c8d60d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_019f8122-3240-7356-aadd-375d9c8d60d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_019f8122-3240-7c0e-9e92-43e8a9555bd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_019f8122-3240-7c0e-9e92-43e8a9555bd3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_019f8122-3240-7a92-acc6-26b20dd4abe8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_019f8122-3240-7a92-acc6-26b20dd4abe8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_BusinessCombinationRecognizedAssetAcquiredRightsToRenewableEnergyCreditsAndWasteTaxCredits_019f8122-3240-7f4e-9659-658007006e2c" xlink:href="keel-20260630.xsd#keel_BusinessCombinationRecognizedAssetAcquiredRightsToRenewableEnergyCreditsAndWasteTaxCredits"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_keel_BusinessCombinationRecognizedAssetAcquiredRightsToRenewableEnergyCreditsAndWasteTaxCredits_019f8122-3240-7f4e-9659-658007006e2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_019f8122-3240-7d93-9f63-108324bf7510" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_019f8122-3240-7d93-9f63-108324bf7510" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_019f8122-3240-7331-bd87-21e5114ba1f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_019f8122-3240-7331-bd87-21e5114ba1f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_019f8122-3240-7f97-8cb5-ee2c96c29026" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_019f8122-3240-7f97-8cb5-ee2c96c29026" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_BusinessCombinationRecognizedAssetsAcquiredLeaseRightOfUseAssets_019f8122-3240-72e9-b36d-a44c3f6c1d2c" xlink:href="keel-20260630.xsd#keel_BusinessCombinationRecognizedAssetsAcquiredLeaseRightOfUseAssets"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_keel_BusinessCombinationRecognizedAssetsAcquiredLeaseRightOfUseAssets_019f8122-3240-72e9-b36d-a44c3f6c1d2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_019f8122-3240-7d69-81bb-fc62739569e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_019f8122-3240-7d69-81bb-fc62739569e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_019f8122-3240-7181-8d4d-2ec95d8471ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_019f8122-3240-7181-8d4d-2ec95d8471ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_019f8122-3240-7d89-852e-99abe55c64f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_019f8122-3240-7d89-852e-99abe55c64f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation_019f8122-3240-71bc-86f8-06b816fa5464" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation_019f8122-3240-71bc-86f8-06b816fa5464" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_019f8122-3240-7fa2-b053-ae8082b51125" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_019f8122-3240-7fa2-b053-ae8082b51125" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_BusinessCombinationRecognizedLiabilityAssumedNoncurrentLeaseLiabilities_019f8122-3240-7735-9e27-4089f02a3964" xlink:href="keel-20260630.xsd#keel_BusinessCombinationRecognizedLiabilityAssumedNoncurrentLeaseLiabilities"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_keel_BusinessCombinationRecognizedLiabilityAssumedNoncurrentLeaseLiabilities_019f8122-3240-7735-9e27-4089f02a3964" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_019f8122-3240-7f71-9920-5c0984005be4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019f8122-3240-7b6a-81f1-28d9adebfc5b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_019f8122-3240-7f71-9920-5c0984005be4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/BUSINESSCOMBINATIONScheduleofSupplementalCashFlowInformationDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#BUSINESSCOMBINATIONScheduleofSupplementalCashFlowInformationDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/BUSINESSCOMBINATIONScheduleofSupplementalCashFlowInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019f8122-3240-74e4-bf8e-4140b0fb4def" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_019f8122-3240-721a-91a4-465869068163" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019f8122-3240-74e4-bf8e-4140b0fb4def" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_019f8122-3240-721a-91a4-465869068163" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAcquiredFromAcquisition_019f8122-3240-7748-ad8c-8d41583e6979" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAcquiredFromAcquisition"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019f8122-3240-74e4-bf8e-4140b0fb4def" xlink:to="loc_us-gaap_CashAcquiredFromAcquisition_019f8122-3240-7748-ad8c-8d41583e6979" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/RIGHTSTORENEWABLEENERGYCREDITSRECsANDWASTETAXCREDITSWTCsDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#RIGHTSTORENEWABLEENERGYCREDITSRECsANDWASTETAXCREDITSWTCsDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/RIGHTSTORENEWABLEENERGYCREDITSRECsANDWASTETAXCREDITSWTCsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019fa59a-fd85-7c2d-a902-ca6a1f52e81a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_IntangibleAssetFiniteLivedAfterAccumulatedAmortizationCurrent_019fa59a-fd85-778a-9033-16c01819bc46" xlink:href="keel-20260630.xsd#keel_IntangibleAssetFiniteLivedAfterAccumulatedAmortizationCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019fa59a-fd85-7c2d-a902-ca6a1f52e81a" xlink:to="loc_keel_IntangibleAssetFiniteLivedAfterAccumulatedAmortizationCurrent_019fa59a-fd85-778a-9033-16c01819bc46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_IntangibleAssetFiniteLivedAfterAccumulatedAmortizationNoncurrent_019fa59a-fd85-73bf-ab48-1e594aadd655" xlink:href="keel-20260630.xsd#keel_IntangibleAssetFiniteLivedAfterAccumulatedAmortizationNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019fa59a-fd85-7c2d-a902-ca6a1f52e81a" xlink:to="loc_keel_IntangibleAssetFiniteLivedAfterAccumulatedAmortizationNoncurrent_019fa59a-fd85-73bf-ab48-1e594aadd655" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/DIGITALASSETSDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#DIGITALASSETSDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/DIGITALASSETSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetNumberOfUnits_019fb879-bb92-7b6a-a958-3dcf2ac1799b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetNumberOfUnits"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetNumberOfRestrictedUnits_019fb879-bb92-7705-baef-33faf7bd52e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetNumberOfRestrictedUnits"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CryptoAssetNumberOfUnits_019fb879-bb92-7b6a-a958-3dcf2ac1799b" xlink:to="loc_us-gaap_CryptoAssetNumberOfRestrictedUnits_019fb879-bb92-7705-baef-33faf7bd52e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetNumberOfUnrestrictedUnits_019fb879-bb92-7393-9d2f-78675d6c6e46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetNumberOfUnrestrictedUnits"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CryptoAssetNumberOfUnits_019fb879-bb92-7b6a-a958-3dcf2ac1799b" xlink:to="loc_us-gaap_CryptoAssetNumberOfUnrestrictedUnits_019fb879-bb92-7393-9d2f-78675d6c6e46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetFairValue_019fcce2-96f0-78e7-8504-a49814684e56" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetFairValueRestricted_019fcce2-96f0-7046-a263-1ba93960ce64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetFairValueRestricted"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CryptoAssetFairValue_019fcce2-96f0-78e7-8504-a49814684e56" xlink:to="loc_us-gaap_CryptoAssetFairValueRestricted_019fcce2-96f0-7046-a263-1ba93960ce64" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CryptoAssetFairValueUnrestricted_019fcce2-96f0-7813-9993-1339ba087cd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CryptoAssetFairValueUnrestricted"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CryptoAssetFairValue_019fcce2-96f0-78e7-8504-a49814684e56" xlink:to="loc_us-gaap_CryptoAssetFairValueUnrestricted_019fcce2-96f0-7813-9993-1339ba087cd3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/DERIVATIVEASSETSANDLIABILITIESScheduleofGainonDerivativeAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#DERIVATIVEASSETSANDLIABILITIESScheduleofGainonDerivativeAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/DERIVATIVEASSETSANDLIABILITIESScheduleofGainonDerivativeAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_019fae49-a159-7af8-85c5-c5bd6b43c024" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_RealizedGainLossOnDerivatives_019fae49-a159-774f-b9e2-aae080cfeb9e" xlink:href="keel-20260630.xsd#keel_RealizedGainLossOnDerivatives"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeGainLossOnDerivativeNet_019fae49-a159-7af8-85c5-c5bd6b43c024" xlink:to="loc_keel_RealizedGainLossOnDerivatives_019fae49-a159-774f-b9e2-aae080cfeb9e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_019fae49-a159-74d3-819d-ecd8af64cffb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeGainLossOnDerivativeNet_019fae49-a159-7af8-85c5-c5bd6b43c024" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_019fae49-a159-74d3-819d-ecd8af64cffb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofAssetsHeldforSaleDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofAssetsHeldforSaleDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofAssetsHeldforSaleDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019f8122-3241-79f0-98f0-d5cf5762ad82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_019f8122-3241-702d-a68f-2cf721763896" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019f8122-3241-79f0-98f0-d5cf5762ad82" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_019f8122-3241-702d-a68f-2cf721763896" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_019f8122-3241-721e-a9f2-b3aa91c34f9d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019f8122-3241-79f0-98f0-d5cf5762ad82" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_019f8122-3241-721e-a9f2-b3aa91c34f9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_019f8122-3241-7cd9-a494-44842c616b0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019f8122-3241-79f0-98f0-d5cf5762ad82" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_019f8122-3241-7cd9-a494-44842c616b0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets_019f8122-3241-7902-ad98-b821574521ad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019f8122-3241-79f0-98f0-d5cf5762ad82" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets_019f8122-3241-7902-ad98-b821574521ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_DisposalGroupIncludingDiscontinuedOperationSecurityDepositForEnergy_019f8122-3241-754a-95bb-abf67b7c445b" xlink:href="keel-20260630.xsd#keel_DisposalGroupIncludingDiscontinuedOperationSecurityDepositForEnergy"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019f8122-3241-79f0-98f0-d5cf5762ad82" xlink:to="loc_keel_DisposalGroupIncludingDiscontinuedOperationSecurityDepositForEnergy_019f8122-3241-754a-95bb-abf67b7c445b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_019fcce4-51b1-7a0c-9e1a-3ea796c1cba9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019f8122-3241-79f0-98f0-d5cf5762ad82" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_019fcce4-51b1-7a0c-9e1a-3ea796c1cba9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1_019fcce4-51b1-7897-a77e-474c5001b506" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019f8122-3241-79f0-98f0-d5cf5762ad82" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1_019fcce4-51b1-7897-a77e-474c5001b506" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_DisposalGroupIncludingDiscontinuedOperationRefundableDepositsSecurityDepositsForEnergy_019fcce4-51b1-7780-982f-8364009b4c5e" xlink:href="keel-20260630.xsd#keel_DisposalGroupIncludingDiscontinuedOperationRefundableDepositsSecurityDepositsForEnergy"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019f8122-3241-79f0-98f0-d5cf5762ad82" xlink:to="loc_keel_DisposalGroupIncludingDiscontinuedOperationRefundableDepositsSecurityDepositsForEnergy_019fcce4-51b1-7780-982f-8364009b4c5e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofArgentinasandParaguaysOperationsDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofArgentinasandParaguaysOperationsDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofArgentinasandParaguaysOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_keel_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense_019fa4ea-5859-7541-ae45-9d561ea87790" xlink:href="keel-20260630.xsd#keel_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestIncome_019fa4ea-5859-74da-8d47-5439a7c92260" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestIncome"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense_019fa4ea-5859-7541-ae45-9d561ea87790" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestIncome_019fa4ea-5859-74da-8d47-5439a7c92260" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_019fa4ea-5859-79da-87da-8792000384b2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense_019fa4ea-5859-7541-ae45-9d561ea87790" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_019fa4ea-5859-79da-87da-8792000384b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_DisposalGroupIncludingDiscontinuedOperationOtherMiscellaneousIncomeExpense_019fa4ea-5859-7d00-8a86-d79ecf10838f" xlink:href="keel-20260630.xsd#keel_DisposalGroupIncludingDiscontinuedOperationOtherMiscellaneousIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense_019fa4ea-5859-7541-ae45-9d561ea87790" xlink:to="loc_keel_DisposalGroupIncludingDiscontinuedOperationOtherMiscellaneousIncomeExpense_019fa4ea-5859-7d00-8a86-d79ecf10838f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019fa4eb-02ae-74ce-ad98-54f348b34fc1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019fa4eb-02ae-7286-8b40-0af051c7d68b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019fa4eb-02ae-74ce-ad98-54f348b34fc1" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019fa4eb-02ae-7286-8b40-0af051c7d68b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_019fa4eb-02ae-7248-96a7-f90828dd8386" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019fa4eb-02ae-74ce-ad98-54f348b34fc1" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_019fa4eb-02ae-7248-96a7-f90828dd8386" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_019fa4ea-105b-720b-9380-ec5f8c27d7a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_019fa4ea-105b-79b8-be12-ad5482f04376" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_019fa4ea-105b-720b-9380-ec5f8c27d7a0" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_019fa4ea-105b-79b8-be12-ad5482f04376" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_019fa4ea-105b-7796-9a00-27eb212a0ed1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_019fa4ea-105b-720b-9380-ec5f8c27d7a0" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_019fa4ea-105b-7796-9a00-27eb212a0ed1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_019fa4ea-3efc-7af0-b698-2d5af93b5f55" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_019fa4ea-3efc-7c9e-b655-ef026e2b5ad4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_019fa4ea-3efc-7af0-b698-2d5af93b5f55" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_019fa4ea-3efc-7c9e-b655-ef026e2b5ad4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_019fa4ea-3efc-78a4-8126-901ac0e11998" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_019fa4ea-3efc-7af0-b698-2d5af93b5f55" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_019fa4ea-3efc-78a4-8126-901ac0e11998" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_DisposalGroupIncludingDiscontinuedOperationGainLossOnDispositionOfPropertyPlantAndEquipment_019fa4ea-3efc-7a55-8e71-97ebda376f84" xlink:href="keel-20260630.xsd#keel_DisposalGroupIncludingDiscontinuedOperationGainLossOnDispositionOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_019fa4ea-3efc-7af0-b698-2d5af93b5f55" xlink:to="loc_keel_DisposalGroupIncludingDiscontinuedOperationGainLossOnDispositionOfPropertyPlantAndEquipment_019fa4ea-3efc-7a55-8e71-97ebda376f84" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_DisposalGroupIncludingDiscontinuedOperationImpairmentOfLonglivedAssets_019fa4ea-3efc-73b6-a2c4-ccef3637c528" xlink:href="keel-20260630.xsd#keel_DisposalGroupIncludingDiscontinuedOperationImpairmentOfLonglivedAssets"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_019fa4ea-3efc-7af0-b698-2d5af93b5f55" xlink:to="loc_keel_DisposalGroupIncludingDiscontinuedOperationImpairmentOfLonglivedAssets_019fa4ea-3efc-73b6-a2c4-ccef3637c528" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019fa4ea-7354-7607-8290-d8f0a0cbdfae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_019fa4ea-7354-7fef-8ab6-431897b25882" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019fa4ea-7354-7607-8290-d8f0a0cbdfae" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_019fa4ea-7354-7fef-8ab6-431897b25882" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense_019fa4ea-7354-7d69-9bc6-e31d668b7925" xlink:href="keel-20260630.xsd#keel_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019fa4ea-7354-7607-8290-d8f0a0cbdfae" xlink:to="loc_keel_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense_019fa4ea-7354-7d69-9bc6-e31d668b7925" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofNetcashFlowsincurredbyArgentinasandParaguaysOperationsDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofNetcashFlowsincurredbyArgentinasandParaguaysOperationsDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofNetcashFlowsincurredbyArgentinasandParaguaysOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_019f8122-3241-74e4-8837-b15037a7769f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_019f8122-3241-74b8-902a-3d645241d494" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_019f8122-3241-74e4-8837-b15037a7769f" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_019f8122-3241-74b8-902a-3d645241d494" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_019f8122-3241-75b6-b8a5-059bf5d07820" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_019f8122-3241-74e4-8837-b15037a7769f" xlink:to="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_019f8122-3241-75b6-b8a5-059bf5d07820" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_019f8122-3241-71c9-ab2e-839ef61a6ece" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_019f8122-3241-74e4-8837-b15037a7769f" xlink:to="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_019f8122-3241-71c9-ab2e-839ef61a6ece" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofSubsidiarysAssetsandLiabilitiesTransactionDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofSubsidiarysAssetsandLiabilitiesTransactionDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/ASSETSHELDFORSALEANDDISCONTINUEDOPERATIONSScheduleofSubsidiarysAssetsandLiabilitiesTransactionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_keel_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet_019fcce3-5a11-74c4-98e7-0789d205a847" xlink:href="keel-20260630.xsd#keel_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_019fcce3-5a11-76f0-9ae4-a67e60cbd704" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet_019fcce3-5a11-74c4-98e7-0789d205a847" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_019fcce3-5a11-76f0-9ae4-a67e60cbd704" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1_019fcce3-5a11-7c25-b5a8-ce7117b75912" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet_019fcce3-5a11-74c4-98e7-0789d205a847" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1_019fcce3-5a11-7c25-b5a8-ce7117b75912" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_019fcce3-5a11-782f-9c7f-77659c3f1398" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet_019fcce3-5a11-74c4-98e7-0789d205a847" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_019fcce3-5a11-782f-9c7f-77659c3f1398" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets_019fcce3-5a11-749a-ad98-586f5af35bf2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet_019fcce3-5a11-74c4-98e7-0789d205a847" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets_019fcce3-5a11-749a-ad98-586f5af35bf2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_019fcce3-5a11-7ffe-af2b-ae0eadf5aa7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet_019fcce3-5a11-74c4-98e7-0789d205a847" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_019fcce3-5a11-7ffe-af2b-ae0eadf5aa7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities_019fcce3-5a11-71cd-a44e-2098cafdd906" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet_019fcce3-5a11-74c4-98e7-0789d205a847" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities_019fcce3-5a11-71cd-a44e-2098cafdd906" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/IMPAIRMENTFROMCONTINUINGOPERATIONSScheduleofImpairmentLossDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#IMPAIRMENTFROMCONTINUINGOPERATIONSScheduleofImpairmentLossDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/IMPAIRMENTFROMCONTINUINGOPERATIONSScheduleofImpairmentLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_019faaad-432b-76e2-8b76-0f4034d2771e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_019faaad-432b-7343-8508-b21876795d98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_019faaad-432b-76e2-8b76-0f4034d2771e" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_019faaad-432b-7343-8508-b21876795d98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TangibleAssetImpairmentCharges_019faaad-432b-7766-94c1-7a673b32695b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TangibleAssetImpairmentCharges"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_019faaad-432b-76e2-8b76-0f4034d2771e" xlink:to="loc_us-gaap_TangibleAssetImpairmentCharges_019faaad-432b-7766-94c1-7a673b32695b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/PROPERTYPLANTANDEQUIPMENTNETScheduleofPropertyPlantAndEquipmentPPEDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#PROPERTYPLANTANDEQUIPMENTNETScheduleofPropertyPlantAndEquipmentPPEDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/PROPERTYPLANTANDEQUIPMENTNETScheduleofPropertyPlantAndEquipmentPPEDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019f8122-3241-7af2-814e-5af8a2a30298" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_019f8122-3241-7637-8410-552982dc5693" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_019f8122-3241-7af2-814e-5af8a2a30298" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_019f8122-3241-7637-8410-552982dc5693" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_019f8122-3241-7350-8a16-591087a7a3ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_019f8122-3241-7af2-814e-5af8a2a30298" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_019f8122-3241-7350-8a16-591087a7a3ec" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/LONGTERMDEPOSITSEQUIPMENTPREPAYMENTSANDOTHERDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#LONGTERMDEPOSITSEQUIPMENTPREPAYMENTSANDOTHERDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/LONGTERMDEPOSITSEQUIPMENTPREPAYMENTSANDOTHERDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_keel_LongTermDepositsAndEquipmentPrepayments_019f8122-3241-7c34-a8bd-605a873ae5a8" xlink:href="keel-20260630.xsd#keel_LongTermDepositsAndEquipmentPrepayments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseOtherNoncurrent_019f8122-3241-7975-b5e5-9d792c34ebeb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseOtherNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_LongTermDepositsAndEquipmentPrepayments_019f8122-3241-7c34-a8bd-605a873ae5a8" xlink:to="loc_us-gaap_PrepaidExpenseOtherNoncurrent_019f8122-3241-7975-b5e5-9d792c34ebeb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidInsurance_019f8122-3241-7f7c-ab70-d511ecfef871" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidInsurance"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_LongTermDepositsAndEquipmentPrepayments_019f8122-3241-7c34-a8bd-605a873ae5a8" xlink:to="loc_us-gaap_PrepaidInsurance_019f8122-3241-7f7c-ab70-d511ecfef871" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCosts_019f8122-3241-7b22-9967-2423e786584b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredCosts"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_LongTermDepositsAndEquipmentPrepayments_019f8122-3241-7c34-a8bd-605a873ae5a8" xlink:to="loc_us-gaap_DeferredCosts_019f8122-3241-7b22-9967-2423e786584b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/ACCOUNTSPAYABLEANDACCRUEDEXPENSESDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#ACCOUNTSPAYABLEANDACCRUEDEXPENSESDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/ACCOUNTSPAYABLEANDACCRUEDEXPENSESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019f8122-3241-7cd9-bd7c-ee589b9148b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019f8122-3241-7073-90a1-0d152958b909" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019f8122-3241-7cd9-bd7c-ee589b9148b3" xlink:to="loc_us-gaap_AccountsPayableCurrent_019f8122-3241-7073-90a1-0d152958b909" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_019f8122-3241-7535-90c4-b3b593067fb2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019f8122-3241-7cd9-bd7c-ee589b9148b3" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_019f8122-3241-7535-90c4-b3b593067fb2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_GovernmentRemittancesPayable_019f8122-3241-7edb-8335-434b93c5a528" xlink:href="keel-20260630.xsd#keel_GovernmentRemittancesPayable"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019f8122-3241-7cd9-bd7c-ee589b9148b3" xlink:to="loc_keel_GovernmentRemittancesPayable_019f8122-3241-7edb-8335-434b93c5a528" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/LONGTERMDEBTScheduleofLongTermDebtDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#LONGTERMDEBTScheduleofLongTermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/LONGTERMDEBTScheduleofLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019f8122-3241-7ff4-a324-62b61e40c142" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019f8122-3241-76b2-baac-4c622eeec849" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019f8122-3241-7ff4-a324-62b61e40c142" xlink:to="loc_us-gaap_LongTermDebtCurrent_019f8122-3241-76b2-baac-4c622eeec849" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019f8122-3241-73ed-959c-8a8a444b57f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019f8122-3241-7ff4-a324-62b61e40c142" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019f8122-3241-73ed-959c-8a8a444b57f9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/FINANCIALINSTRUMENTSScheduleofFairValuesofFinancialInstrumentsandtheirLevelwithintheFairValueHierarchyDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#FINANCIALINSTRUMENTSScheduleofFairValuesofFinancialInstrumentsandtheirLevelwithintheFairValueHierarchyDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/FINANCIALINSTRUMENTSScheduleofFairValuesofFinancialInstrumentsandtheirLevelwithintheFairValueHierarchyDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019f8122-3241-754b-b216-1145cd5979a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_019f8122-3241-73b4-b7ac-9ac91cc9e648" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019f8122-3241-754b-b216-1145cd5979a1" xlink:to="loc_us-gaap_LongTermDebtFairValue_019f8122-3241-73b4-b7ac-9ac91cc9e648" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_019f8122-3241-706b-9e06-88401f5afb30" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019f8122-3241-754b-b216-1145cd5979a1" xlink:to="loc_us-gaap_DerivativeLiabilities_019f8122-3241-706b-9e06-88401f5afb30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetAssetLiability_019f8122-3241-70f0-94d3-2130c24595b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueNetAssetLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019f8122-3241-74bf-bdb8-b6f61c15367d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FairValueNetAssetLiability_019f8122-3241-70f0-94d3-2130c24595b1" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_019f8122-3241-74bf-bdb8-b6f61c15367d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019f8122-3241-75d2-91e8-ff758ff4c3b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FairValueNetAssetLiability_019f8122-3241-70f0-94d3-2130c24595b1" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_019f8122-3241-75d2-91e8-ff758ff4c3b9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019f8122-3241-76d1-83a0-7ec71aa80e18" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019f8122-3241-7b79-be27-366e1bd14784" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019f8122-3241-76d1-83a0-7ec71aa80e18" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019f8122-3241-7b79-be27-366e1bd14784" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_RestrictedCashFairValueDisclosure_019f8122-3241-7e3b-aeda-451ee2d62a2d" xlink:href="keel-20260630.xsd#keel_RestrictedCashFairValueDisclosure"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019f8122-3241-76d1-83a0-7ec71aa80e18" xlink:to="loc_keel_RestrictedCashFairValueDisclosure_019f8122-3241-7e3b-aeda-451ee2d62a2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesFairValueDisclosure_019f8122-3241-7bd7-929c-40a20edd8b80" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReceivablesFairValueDisclosure"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019f8122-3241-76d1-83a0-7ec71aa80e18" xlink:to="loc_us-gaap_ReceivablesFairValueDisclosure_019f8122-3241-7bd7-929c-40a20edd8b80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_SecurityDepositsForEnergyFairValueDisclosure_019f8122-3241-7345-8bf2-8563d244310b" xlink:href="keel-20260630.xsd#keel_SecurityDepositsForEnergyFairValueDisclosure"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019f8122-3241-76d1-83a0-7ec71aa80e18" xlink:to="loc_keel_SecurityDepositsForEnergyFairValueDisclosure_019f8122-3241-7345-8bf2-8563d244310b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_OtherRefundableDepositsFairValueDisclosure_019f8122-3241-7c70-afdf-bcdae31e8975" xlink:href="keel-20260630.xsd#keel_OtherRefundableDepositsFairValueDisclosure"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019f8122-3241-76d1-83a0-7ec71aa80e18" xlink:to="loc_keel_OtherRefundableDepositsFairValueDisclosure_019f8122-3241-7c70-afdf-bcdae31e8975" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_019fae50-9720-7595-97c5-c9c2b4d54eac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019f8122-3241-76d1-83a0-7ec71aa80e18" xlink:to="loc_us-gaap_DerivativeAssets_019fae50-9720-7595-97c5-c9c2b4d54eac" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/FINANCIALINSTRUMENTSFuturePrincipalCapitalPaymentofLongtermDebtandFutureMinimumLeasePaymentsunderNonCancellableLeasesDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#FINANCIALINSTRUMENTSFuturePrincipalCapitalPaymentofLongtermDebtandFutureMinimumLeasePaymentsunderNonCancellableLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/FINANCIALINSTRUMENTSFuturePrincipalCapitalPaymentofLongtermDebtandFutureMinimumLeasePaymentsunderNonCancellableLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligation_019fd8da-f958-739e-91ff-c56a1a4da35b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fd8da-f958-7818-a9a9-4a2e1ba25ed8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_019fd8da-f958-739e-91ff-c56a1a4da35b" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fd8da-f958-7818-a9a9-4a2e1ba25ed8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaid_019fd8da-f958-7fbd-8cb9-0dba6930c764" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaid"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_019fd8da-f958-739e-91ff-c56a1a4da35b" xlink:to="loc_keel_LeaseLiabilityToBePaid_019fd8da-f958-7fbd-8cb9-0dba6930c764" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInSecondYear_019fd8da-bd65-7e6e-839f-d877bc2b27b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligationDueInSecondYear"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019fd8da-bd65-7bfa-b7a8-1e61b5f637b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligationDueInSecondYear_019fd8da-bd65-7e6e-839f-d877bc2b27b5" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019fd8da-bd65-7bfa-b7a8-1e61b5f637b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaidYearTwo_019fd8da-bd65-7b22-94eb-a5a39f0de4e2" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaidYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligationDueInSecondYear_019fd8da-bd65-7e6e-839f-d877bc2b27b5" xlink:to="loc_keel_LeaseLiabilityToBePaidYearTwo_019fd8da-bd65-7b22-94eb-a5a39f0de4e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaid_019fd8da-9123-7a3e-b8ac-584e9fd9a19c" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaid"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaidRemainderOfFiscalYear_019fd8da-9123-7797-9a98-d2c8e19a3b06" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaidRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_LeaseLiabilityToBePaid_019fd8da-9123-7a3e-b8ac-584e9fd9a19c" xlink:to="loc_keel_LeaseLiabilityToBePaidRemainderOfFiscalYear_019fd8da-9123-7797-9a98-d2c8e19a3b06" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaidYearOne_019fd8da-9123-7126-b3c8-b29f27f4dd5f" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaidYearOne"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_LeaseLiabilityToBePaid_019fd8da-9123-7a3e-b8ac-584e9fd9a19c" xlink:to="loc_keel_LeaseLiabilityToBePaidYearOne_019fd8da-9123-7126-b3c8-b29f27f4dd5f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaidYearTwo_019fd8da-9123-74cc-8d0f-b842a116d3b2" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaidYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_LeaseLiabilityToBePaid_019fd8da-9123-7a3e-b8ac-584e9fd9a19c" xlink:to="loc_keel_LeaseLiabilityToBePaidYearTwo_019fd8da-9123-74cc-8d0f-b842a116d3b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaidYearThree_019fd8da-9123-7ca5-9620-0a0cc6594737" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaidYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_LeaseLiabilityToBePaid_019fd8da-9123-7a3e-b8ac-584e9fd9a19c" xlink:to="loc_keel_LeaseLiabilityToBePaidYearThree_019fd8da-9123-7ca5-9620-0a0cc6594737" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaidYearFour_019fd8da-9123-7921-867b-e1a449b19171" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaidYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_LeaseLiabilityToBePaid_019fd8da-9123-7a3e-b8ac-584e9fd9a19c" xlink:to="loc_keel_LeaseLiabilityToBePaidYearFour_019fd8da-9123-7921-867b-e1a449b19171" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInFourthYear_019fd8da-e9fb-7aab-bbce-311d2afb7636" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligationDueInFourthYear"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019fd8da-e9fb-7787-bd89-8c7ce48ac2ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligationDueInFourthYear_019fd8da-e9fb-7aab-bbce-311d2afb7636" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019fd8da-e9fb-7787-bd89-8c7ce48ac2ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaidYearFour_019fd8da-e9fb-7e08-aa14-06bac9cf404a" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaidYearFour"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligationDueInFourthYear_019fd8da-e9fb-7aab-bbce-311d2afb7636" xlink:to="loc_keel_LeaseLiabilityToBePaidYearFour_019fd8da-e9fb-7e08-aa14-06bac9cf404a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInThirdYear_019fd8da-db57-7bc7-a010-52fa4d70fe9c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligationDueInThirdYear"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019fd8da-db57-79e0-9734-c64ddd8ae80c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligationDueInThirdYear_019fd8da-db57-7bc7-a010-52fa4d70fe9c" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019fd8da-db57-79e0-9734-c64ddd8ae80c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaidYearThree_019fd8da-db57-769f-8143-8c0f9cf8e592" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaidYearThree"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligationDueInThirdYear_019fd8da-db57-7bc7-a010-52fa4d70fe9c" xlink:to="loc_keel_LeaseLiabilityToBePaidYearThree_019fd8da-db57-769f-8143-8c0f9cf8e592" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_019fd8da-cc62-7cb4-a2f8-e9ba3fb3c5cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligationDueInNextTwelveMonths"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019fd8da-cc62-7808-8967-c0ad5702a8bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_019fd8da-cc62-7cb4-a2f8-e9ba3fb3c5cd" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019fd8da-cc62-7808-8967-c0ad5702a8bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaidYearOne_019fd8da-cc62-7417-b389-bd258606b7d7" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaidYearOne"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_019fd8da-cc62-7cb4-a2f8-e9ba3fb3c5cd" xlink:to="loc_keel_LeaseLiabilityToBePaidYearOne_019fd8da-cc62-7417-b389-bd258606b7d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fd8d5-b454-719b-bfa5-f0fc42ef0b1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_019fd8d5-b454-78a8-980b-acf80ecdeb13" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fd8d5-b454-719b-bfa5-f0fc42ef0b1a" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_019fd8d5-b454-78a8-980b-acf80ecdeb13" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019fd8d5-b454-765d-a291-7a1e52b0ade6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fd8d5-b454-719b-bfa5-f0fc42ef0b1a" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019fd8d5-b454-765d-a291-7a1e52b0ade6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019fd8d5-b454-7ca2-8ede-e8a2d7d3cc99" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fd8d5-b454-719b-bfa5-f0fc42ef0b1a" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019fd8d5-b454-7ca2-8ede-e8a2d7d3cc99" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019fd8d5-b454-7a33-80a2-4e2d667800e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fd8d5-b454-719b-bfa5-f0fc42ef0b1a" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019fd8d5-b454-7a33-80a2-4e2d667800e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019fd8d5-b454-761d-be03-7856a858df85" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fd8d5-b454-719b-bfa5-f0fc42ef0b1a" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019fd8d5-b454-761d-be03-7856a858df85" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear_019fd8da-a258-7dda-9688-c7ea1717d4c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_019fd8da-a258-7fe4-b9dd-cc728137f361" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear_019fd8da-a258-7dda-9688-c7ea1717d4c4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_019fd8da-a258-7fe4-b9dd-cc728137f361" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_LeaseLiabilityToBePaidRemainderOfFiscalYear_019fd8da-a258-751e-8e6c-7b834ee85d14" xlink:href="keel-20260630.xsd#keel_LeaseLiabilityToBePaidRemainderOfFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear_019fd8da-a258-7dda-9688-c7ea1717d4c4" xlink:to="loc_keel_LeaseLiabilityToBePaidRemainderOfFiscalYear_019fd8da-a258-751e-8e6c-7b834ee85d14" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/FINANCIALINSTRUMENTSFuturePrincipalCapitalPaymentofLongtermDebtandFutureMinimumLeasePaymentsunderNonCancellableLeasesDetails_1" xlink:type="simple" xlink:href="keel-20260630.xsd#FINANCIALINSTRUMENTSFuturePrincipalCapitalPaymentofLongtermDebtandFutureMinimumLeasePaymentsunderNonCancellableLeasesDetails_1"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/FINANCIALINSTRUMENTSFuturePrincipalCapitalPaymentofLongtermDebtandFutureMinimumLeasePaymentsunderNonCancellableLeasesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligation_019fd8d7-2088-72ed-96f0-3e8fc73b286f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear_019fd8d7-2088-7d84-a81e-b05621796854" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_019fd8d7-2088-72ed-96f0-3e8fc73b286f" xlink:to="loc_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear_019fd8d7-2088-7d84-a81e-b05621796854" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_019fd8d7-2088-7e51-863c-126dd763087d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligationDueInNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_019fd8d7-2088-72ed-96f0-3e8fc73b286f" xlink:to="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_019fd8d7-2088-7e51-863c-126dd763087d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInSecondYear_019fd8d7-2088-7c6d-959e-16fbe8212269" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligationDueInSecondYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_019fd8d7-2088-72ed-96f0-3e8fc73b286f" xlink:to="loc_us-gaap_ContractualObligationDueInSecondYear_019fd8d7-2088-7c6d-959e-16fbe8212269" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInThirdYear_019fd8d7-2088-7b83-b5f9-a87637b992de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligationDueInThirdYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_019fd8d7-2088-72ed-96f0-3e8fc73b286f" xlink:to="loc_us-gaap_ContractualObligationDueInThirdYear_019fd8d7-2088-7b83-b5f9-a87637b992de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInFourthYear_019fd8d7-2088-7407-9e92-9cb4febe8f09" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractualObligationDueInFourthYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_019fd8d7-2088-72ed-96f0-3e8fc73b286f" xlink:to="loc_us-gaap_ContractualObligationDueInFourthYear_019fd8d7-2088-7407-9e92-9cb4febe8f09" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/LOSSPERSHAREScheduleofComputationofBasicandDilutedLossPerSharefromContinuingOperationsDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#LOSSPERSHAREScheduleofComputationofBasicandDilutedLossPerSharefromContinuingOperationsDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/LOSSPERSHAREScheduleofComputationofBasicandDilutedLossPerSharefromContinuingOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_019fae1f-efd6-739d-92ac-37434abb16a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_019fae1f-efd6-71aa-b5fb-829b6ebe0bfd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_019fae1f-efd6-739d-92ac-37434abb16a1" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_019fae1f-efd6-71aa-b5fb-829b6ebe0bfd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_019fae1f-efd6-762b-b436-c9a8d0c89559" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_019fae1f-efd6-739d-92ac-37434abb16a1" xlink:to="loc_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_019fae1f-efd6-762b-b436-c9a8d0c89559" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_WeightedAverageNumberOfSharesOutstandingDilutedDiscontinuedOperations_019fdaf2-fa5b-7a5f-b095-a6d61b33ba6a" xlink:href="keel-20260630.xsd#keel_WeightedAverageNumberOfSharesOutstandingDilutedDiscontinuedOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fdaf2-fa5b-787b-a1de-dbc09105c6aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_WeightedAverageNumberOfSharesOutstandingDilutedDiscontinuedOperations_019fdaf2-fa5b-7a5f-b095-a6d61b33ba6a" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fdaf2-fa5b-787b-a1de-dbc09105c6aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities_019fdaf2-fa5b-73fd-b585-73754b9da9a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_WeightedAverageNumberOfSharesOutstandingDilutedDiscontinuedOperations_019fdaf2-fa5b-7a5f-b095-a6d61b33ba6a" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities_019fdaf2-fa5b-73fd-b585-73754b9da9a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_019fae22-9d49-766e-ba9c-b67a7316c6e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019fae22-9d49-7e07-98b3-012628ee34d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_019fae22-9d49-766e-ba9c-b67a7316c6e2" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019fae22-9d49-7e07-98b3-012628ee34d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_019fae22-9d49-7f08-8005-10a33a3f53d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_019fae22-9d49-766e-ba9c-b67a7316c6e2" xlink:to="loc_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_019fae22-9d49-7f08-8005-10a33a3f53d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_WeightedAverageNumberOfSharesOutstandingDilutedContinuingOperations_019fdae8-8b46-7b25-bda9-8fdff0ef73c9" xlink:href="keel-20260630.xsd#keel_WeightedAverageNumberOfSharesOutstandingDilutedContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fdae8-8b46-7d3b-aca4-6a90266172c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_WeightedAverageNumberOfSharesOutstandingDilutedContinuingOperations_019fdae8-8b46-7b25-bda9-8fdff0ef73c9" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fdae8-8b46-7d3b-aca4-6a90266172c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019fdae8-8b46-7861-ac88-c86c5ab0ccad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_WeightedAverageNumberOfSharesOutstandingDilutedContinuingOperations_019fdae8-8b46-7b25-bda9-8fdff0ef73c9" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019fdae8-8b46-7861-ac88-c86c5ab0ccad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_019fdae8-8b46-74bc-9a28-44f43d442b84" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_WeightedAverageNumberOfSharesOutstandingDilutedContinuingOperations_019fdae8-8b46-7b25-bda9-8fdff0ef73c9" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_019fdae8-8b46-74bc-9a28-44f43d442b84" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities_019fdae8-8b46-7051-b1cd-4c9774e09f7f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_WeightedAverageNumberOfSharesOutstandingDilutedContinuingOperations_019fdae8-8b46-7b25-bda9-8fdff0ef73c9" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities_019fdae8-8b46-7051-b1cd-4c9774e09f7f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/SEGMENTANDGEOGRAPHICALINFORMATIONScheduleofPropertyPlantandEquipmentandOtherNonCurrentAssetsDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#SEGMENTANDGEOGRAPHICALINFORMATIONScheduleofPropertyPlantandEquipmentandOtherNonCurrentAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/SEGMENTANDGEOGRAPHICALINFORMATIONScheduleofPropertyPlantandEquipmentandOtherNonCurrentAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_keel_AssetsNoncurrentExcludingFinancialAssetsIntangibleAssetsAndDeferredTaxAssets_019fae29-9af9-7eb0-b669-557a218a3bd9" xlink:href="keel-20260630.xsd#keel_AssetsNoncurrentExcludingFinancialAssetsIntangibleAssetsAndDeferredTaxAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019fae29-9af9-755c-a1da-50891d926b48" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_AssetsNoncurrentExcludingFinancialAssetsIntangibleAssetsAndDeferredTaxAssets_019fae29-9af9-7eb0-b669-557a218a3bd9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019fae29-9af9-755c-a1da-50891d926b48" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_019fae29-9af9-715f-8e62-f9e43dcf829c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsMiscellaneousNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_keel_AssetsNoncurrentExcludingFinancialAssetsIntangibleAssetsAndDeferredTaxAssets_019fae29-9af9-7eb0-b669-557a218a3bd9" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_019fae29-9af9-715f-8e62-f9e43dcf829c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/ADDITIONALDETAILSTOTHESTATEMENTSOFOPERATIONSScheduleofGeneralandAdministrativeExpensesDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#ADDITIONALDETAILSTOTHESTATEMENTSOFOPERATIONSScheduleofGeneralandAdministrativeExpensesDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/ADDITIONALDETAILSTOTHESTATEMENTSOFOPERATIONSScheduleofGeneralandAdministrativeExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019f8122-3242-72f3-b881-223170fa3500" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalariesAndWages_019f8122-3242-79ee-a143-0543395ed644" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SalariesAndWages"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense_019f8122-3242-72f3-b881-223170fa3500" xlink:to="loc_us-gaap_SalariesAndWages_019f8122-3242-79ee-a143-0543395ed644" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019f8122-3242-7fac-aefa-9d9329405edf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense_019f8122-3242-72f3-b881-223170fa3500" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019f8122-3242-7fac-aefa-9d9329405edf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfessionalFees_019f8122-3242-7412-b319-0cfd9629fab6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfessionalFees"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense_019f8122-3242-72f3-b881-223170fa3500" xlink:to="loc_us-gaap_ProfessionalFees_019f8122-3242-7412-b319-0cfd9629fab6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InsuranceCommissions_019f8122-3242-7fa9-a7a8-4e92dfec24c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InsuranceCommissions"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense_019f8122-3242-72f3-b881-223170fa3500" xlink:to="loc_us-gaap_InsuranceCommissions_019f8122-3242-7fa9-a7a8-4e92dfec24c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_TravelMotorVehicleAndMeals_019f8122-3242-75bf-b9d0-846098c17ea3" xlink:href="keel-20260630.xsd#keel_TravelMotorVehicleAndMeals"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense_019f8122-3242-72f3-b881-223170fa3500" xlink:to="loc_keel_TravelMotorVehicleAndMeals_019f8122-3242-75bf-b9d0-846098c17ea3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_TelecomHostingAndTelecommunications_019f8122-3242-738d-9cac-8d2d8edc9696" xlink:href="keel-20260630.xsd#keel_TelecomHostingAndTelecommunications"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense_019f8122-3242-72f3-b881-223170fa3500" xlink:to="loc_keel_TelecomHostingAndTelecommunications_019f8122-3242-738d-9cac-8d2d8edc9696" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvertisingExpense_019f8122-3242-7ef9-8c52-a551d52db3eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdvertisingExpense"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense_019f8122-3242-72f3-b881-223170fa3500" xlink:to="loc_us-gaap_AdvertisingExpense_019f8122-3242-7ef9-8c52-a551d52db3eb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/ADDITIONALDETAILSTOTHESTATEMENTSOFOPERATIONSScheduleofOtherExpensesDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#ADDITIONALDETAILSTOTHESTATEMENTSOFOPERATIONSScheduleofOtherExpensesDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/ADDITIONALDETAILSTOTHESTATEMENTSOFOPERATIONSScheduleofOtherExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019fae2e-db4c-75ca-b451-2f4736be425c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_019fae2e-db4c-7558-922f-66f6719fa6a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_019fae2e-db4c-75ca-b451-2f4736be425c" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_019fae2e-db4c-7558-922f-66f6719fa6a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium_019fae2e-db4c-77bd-a8b0-c3a6f31770a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfDebtDiscountPremium"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_019fae2e-db4c-75ca-b451-2f4736be425c" xlink:to="loc_us-gaap_AmortizationOfDebtDiscountPremium_019fae2e-db4c-77bd-a8b0-c3a6f31770a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_GainLossOnExchangeRates_019fae2e-db4c-7801-9d02-57a590a5f1ef" xlink:href="keel-20260630.xsd#keel_GainLossOnExchangeRates"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_019fae2e-db4c-75ca-b451-2f4736be425c" xlink:to="loc_keel_GainLossOnExchangeRates_019fae2e-db4c-7801-9d02-57a590a5f1ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_keel_OtherFinancialIncomeExpense_019fae2e-db4c-742f-a129-dc1b055588f0" xlink:href="keel-20260630.xsd#keel_OtherFinancialIncomeExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_019fae2e-db4c-75ca-b451-2f4736be425c" xlink:to="loc_keel_OtherFinancialIncomeExpense_019fae2e-db4c-742f-a129-dc1b055588f0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/ADDITIONALDETAILSTOTHESTATEMENTSOFCASHFLOWScheduleofAdditionalDetailstotheStatementsofCashFlowDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#ADDITIONALDETAILSTOTHESTATEMENTSOFCASHFLOWScheduleofAdditionalDetailstotheStatementsofCashFlowDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/ADDITIONALDETAILSTOTHESTATEMENTSOFCASHFLOWScheduleofAdditionalDetailstotheStatementsofCashFlowDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019f8122-3242-7cfc-bed1-1e332b869216" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019f8122-3242-71e3-a239-19a5caca62de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019f8122-3242-7cfc-bed1-1e332b869216" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019f8122-3242-71e3-a239-19a5caca62de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_019f8122-3242-7eec-b7c3-17cd85a26bc8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019f8122-3242-7cfc-bed1-1e332b869216" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_019f8122-3242-7eec-b7c3-17cd85a26bc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_019f8122-3242-7ae1-9486-7adad1315b05" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019f8122-3242-7cfc-bed1-1e332b869216" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_019f8122-3242-7ae1-9486-7adad1315b05" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDepositOtherAssets_019f8122-3242-7168-8b78-50cc593b7601" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDepositOtherAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019f8122-3242-7cfc-bed1-1e332b869216" xlink:to="loc_us-gaap_IncreaseDecreaseInDepositOtherAssets_019f8122-3242-7168-8b78-50cc593b7601" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019f8122-3242-78ce-b10d-f01410e98771" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019f8122-3242-7cfc-bed1-1e332b869216" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019f8122-3242-78ce-b10d-f01410e98771" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_019f8122-3242-7cf2-a6b6-994dbe6b7365" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019f8122-3242-7cfc-bed1-1e332b869216" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_019f8122-3242-7cf2-a6b6-994dbe6b7365" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_019f8122-3242-7159-b91f-6ef545a08fca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019f8122-3242-7cfc-bed1-1e332b869216" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_019f8122-3242-7159-b91f-6ef545a08fca" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.keelinfra.com/role/ADDITIONALDETAILSTOTHESTATEMENTSOFCASHFLOWScheduleofCashandRestrictedCashReportedConsolidatedStatementsofCashFlowDetails" xlink:type="simple" xlink:href="keel-20260630.xsd#ADDITIONALDETAILSTOTHESTATEMENTSOFCASHFLOWScheduleofCashandRestrictedCashReportedConsolidatedStatementsofCashFlowDetails"/>
  <link:calculationLink xlink:role="http://www.keelinfra.com/role/ADDITIONALDETAILSTOTHESTATEMENTSOFCASHFLOWScheduleofCashandRestrictedCashReportedConsolidatedStatementsofCashFlowDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019f8122-3242-7f54-b4d1-a426a61d3f9b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Cash_019f8122-3242-76f3-9e4d-29c0125777ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Cash"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019f8122-3242-7f54-b4d1-a426a61d3f9b" xlink:to="loc_us-gaap_Cash_019f8122-3242-76f3-9e4d-29c0125777ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashNoncurrent_019f8122-3242-733a-b949-a9cb7a675699" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019f8122-3242-7f54-b4d1-a426a61d3f9b" xlink:to="loc_us-gaap_RestrictedCashNoncurrent_019f8122-3242-733a-b949-a9cb7a675699" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
