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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:9833b54e-d7c4-4269-98a5-97ebe766c5bf,g:709d6a65-0899-4957-8fe5-b00e741c06bc-->
<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:roleRef roleURI="http://www.klx.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="klxe-20250630.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.klx.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_978e977d-f816-4050-8739-71eebd36e2bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7ba27bce-8542-4c2a-add7-eaa1ce8f7411" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_978e977d-f816-4050-8739-71eebd36e2bc" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7ba27bce-8542-4c2a-add7-eaa1ce8f7411" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_6f91341d-bc1e-41a5-9241-b7ff4bab4393" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_978e977d-f816-4050-8739-71eebd36e2bc" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_6f91341d-bc1e-41a5-9241-b7ff4bab4393" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_e8d99553-18fa-4b5e-8c56-bb0f59992106" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_978e977d-f816-4050-8739-71eebd36e2bc" xlink:to="loc_us-gaap_InventoryNet_e8d99553-18fa-4b5e-8c56-bb0f59992106" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_56a5bd7b-104c-48eb-9ea4-c8c215e25306" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_978e977d-f816-4050-8739-71eebd36e2bc" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_56a5bd7b-104c-48eb-9ea4-c8c215e25306" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_0ddcde23-bc57-44a3-857a-2dcf94ef4957" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_978e977d-f816-4050-8739-71eebd36e2bc" xlink:to="loc_us-gaap_RestrictedCashCurrent_0ddcde23-bc57-44a3-857a-2dcf94ef4957" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_41316de9-4b51-48eb-b620-02b3c9af55e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_96912144-6cc1-4818-bf7d-7adbcd7cc6db" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_41316de9-4b51-48eb-b620-02b3c9af55e8" xlink:to="loc_us-gaap_AssetsCurrent_96912144-6cc1-4818-bf7d-7adbcd7cc6db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_640e04d7-d743-4eb2-a0d1-930e89188dca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_41316de9-4b51-48eb-b620-02b3c9af55e8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_640e04d7-d743-4eb2-a0d1-930e89188dca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_51aea4be-97d4-4b12-b954-1a56c6de4d17" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_41316de9-4b51-48eb-b620-02b3c9af55e8" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_51aea4be-97d4-4b12-b954-1a56c6de4d17" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_9e65891b-147c-4cab-9306-60ccc2958586" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_41316de9-4b51-48eb-b620-02b3c9af55e8" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_9e65891b-147c-4cab-9306-60ccc2958586" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_0f9f497a-1515-4f1a-9f44-8568bad21f56" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_41316de9-4b51-48eb-b620-02b3c9af55e8" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_0f9f497a-1515-4f1a-9f44-8568bad21f56" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_00949d10-025f-4397-a75b-9fd65fc4b1ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_3c550d36-242d-47a1-aeb8-a622a462f86d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_00949d10-025f-4397-a75b-9fd65fc4b1ad" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_3c550d36-242d-47a1-aeb8-a622a462f86d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_ba96ffc9-27c0-4f0b-ad92-1a9b19bb6c8f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_00949d10-025f-4397-a75b-9fd65fc4b1ad" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_ba96ffc9-27c0-4f0b-ad92-1a9b19bb6c8f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_0498ffe4-1750-4d93-b600-bdd289bba895" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPayableCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_00949d10-025f-4397-a75b-9fd65fc4b1ad" xlink:to="loc_us-gaap_InterestPayableCurrent_0498ffe4-1750-4d93-b600-bdd289bba895" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_4c67ab16-676a-4a46-8de0-9277f537606c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_00949d10-025f-4397-a75b-9fd65fc4b1ad" xlink:to="loc_us-gaap_AccountsPayableCurrent_4c67ab16-676a-4a46-8de0-9277f537606c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_b110327e-e694-445a-8cfa-f0366f43df8f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_00949d10-025f-4397-a75b-9fd65fc4b1ad" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_b110327e-e694-445a-8cfa-f0366f43df8f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_075e37d1-2bbc-4348-a99b-b90f9df894a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_00949d10-025f-4397-a75b-9fd65fc4b1ad" xlink:to="loc_us-gaap_LongTermDebtCurrent_075e37d1-2bbc-4348-a99b-b90f9df894a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae73d29a-5976-4d0a-9754-4386cb749bdf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_bbe0c533-c58a-4371-b61d-deb1715bfb34" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae73d29a-5976-4d0a-9754-4386cb749bdf" xlink:to="loc_us-gaap_LiabilitiesCurrent_bbe0c533-c58a-4371-b61d-deb1715bfb34" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_d4155d5c-7b9b-4730-a489-bd08edcc656f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae73d29a-5976-4d0a-9754-4386cb749bdf" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_d4155d5c-7b9b-4730-a489-bd08edcc656f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_c36654f5-7bb8-4552-a718-d797b9931568" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae73d29a-5976-4d0a-9754-4386cb749bdf" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_c36654f5-7bb8-4552-a718-d797b9931568" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_6fb82d32-416f-4186-8f57-119c471cdcc6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae73d29a-5976-4d0a-9754-4386cb749bdf" xlink:to="loc_us-gaap_StockholdersEquity_6fb82d32-416f-4186-8f57-119c471cdcc6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_0ccb8b07-269f-4efe-a5f7-1b485492ddc7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae73d29a-5976-4d0a-9754-4386cb749bdf" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_0ccb8b07-269f-4efe-a5f7-1b485492ddc7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_5528ee56-bb8b-43a0-b68e-fc638712a535" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae73d29a-5976-4d0a-9754-4386cb749bdf" xlink:to="loc_us-gaap_CommitmentsAndContingencies_5528ee56-bb8b-43a0-b68e-fc638712a535" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_472fa896-61c5-4d23-88dd-e1535eed3c95" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae73d29a-5976-4d0a-9754-4386cb749bdf" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_472fa896-61c5-4d23-88dd-e1535eed3c95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_dd4e3690-ade4-49c7-8fcd-0807345baac9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_7dc2cab0-59e7-445b-95cc-06cef69f46e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_dd4e3690-ade4-49c7-8fcd-0807345baac9" xlink:to="loc_us-gaap_CommonStockValue_7dc2cab0-59e7-445b-95cc-06cef69f46e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_01d5488a-0dbd-4365-af0b-fc985aac5c42" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_dd4e3690-ade4-49c7-8fcd-0807345baac9" xlink:to="loc_us-gaap_AdditionalPaidInCapital_01d5488a-0dbd-4365-af0b-fc985aac5c42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_db327def-7709-46e0-b1e0-57e38ca14acd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_dd4e3690-ade4-49c7-8fcd-0807345baac9" xlink:to="loc_us-gaap_TreasuryStockCommonValue_db327def-7709-46e0-b1e0-57e38ca14acd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_31360d6f-589e-42ce-90b2-142185b2dbc6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_dd4e3690-ade4-49c7-8fcd-0807345baac9" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_31360d6f-589e-42ce-90b2-142185b2dbc6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.klx.com/role/CondensedConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="klxe-20250630.xsd#CondensedConsolidatedStatementsofOperations"/>
  <link:calculationLink xlink:role="http://www.klx.com/role/CondensedConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_52a916a1-c628-4509-b504-ad200fe421ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_a0db8165-2774-4cbf-acd8-bda4a8d978c1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_52a916a1-c628-4509-b504-ad200fe421ed" xlink:to="loc_us-gaap_OperatingIncomeLoss_a0db8165-2774-4cbf-acd8-bda4a8d978c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_d1668630-af96-425f-a353-e55d6c8ef52e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_52a916a1-c628-4509-b504-ad200fe421ed" xlink:to="loc_us-gaap_InvestmentIncomeInterest_d1668630-af96-425f-a353-e55d6c8ef52e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_bf9fa173-644d-4779-8b7d-42e1d747ec10" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_52a916a1-c628-4509-b504-ad200fe421ed" xlink:to="loc_us-gaap_InterestExpense_bf9fa173-644d-4779-8b7d-42e1d747ec10" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_823de98b-1641-4469-893a-e3ef25d76717" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_a08002f0-9210-4293-bce0-e1963ae64cb2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_823de98b-1641-4469-893a-e3ef25d76717" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_a08002f0-9210-4293-bce0-e1963ae64cb2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_0f209a01-e0a6-4796-ac7a-acde9cb13ecb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_823de98b-1641-4469-893a-e3ef25d76717" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_0f209a01-e0a6-4796-ac7a-acde9cb13ecb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_497bae03-85e7-49a7-bcbf-93af2cb65b40" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_823de98b-1641-4469-893a-e3ef25d76717" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_497bae03-85e7-49a7-bcbf-93af2cb65b40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_87c33c0d-1c16-4b3e-b4f9-3c65dc2b2cfb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_823de98b-1641-4469-893a-e3ef25d76717" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_87c33c0d-1c16-4b3e-b4f9-3c65dc2b2cfb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_1deeb57e-8932-4d38-8d02-bde32c131a6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_823de98b-1641-4469-893a-e3ef25d76717" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_1deeb57e-8932-4d38-8d02-bde32c131a6a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_a01043b1-17d0-4673-882c-7cb5ac87bc0b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_823de98b-1641-4469-893a-e3ef25d76717" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_a01043b1-17d0-4673-882c-7cb5ac87bc0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_3be94b33-ecf7-4903-ae6c-2febaf08db1c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_823de98b-1641-4469-893a-e3ef25d76717" xlink:to="loc_us-gaap_AssetImpairmentCharges_3be94b33-ecf7-4903-ae6c-2febaf08db1c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_57d5c920-a4b5-4f3e-829d-459bb7eb057c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_be7664db-abb7-42b5-a20e-fcbad596e594" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_57d5c920-a4b5-4f3e-829d-459bb7eb057c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_be7664db-abb7-42b5-a20e-fcbad596e594" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_48f8de31-b7ad-4765-8463-a610eef2c9e6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_57d5c920-a4b5-4f3e-829d-459bb7eb057c" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_48f8de31-b7ad-4765-8463-a610eef2c9e6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.klx.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="klxe-20250630.xsd#CondensedConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.klx.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_62c9b896-4d85-44f3-941d-efe04af0011f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_74528bba-3446-4d7b-9b75-f0180bf172e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_62c9b896-4d85-44f3-941d-efe04af0011f" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_74528bba-3446-4d7b-9b75-f0180bf172e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_965e9d98-c21b-4e24-9757-218125015fef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_62c9b896-4d85-44f3-941d-efe04af0011f" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_965e9d98-c21b-4e24-9757-218125015fef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_1d1fcca3-e61d-47d1-917e-ac14bd8616a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_62c9b896-4d85-44f3-941d-efe04af0011f" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_1d1fcca3-e61d-47d1-917e-ac14bd8616a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_klxe_ProceedsFromIssuanceOfSeniorLongTermDebtAndWarrants_16799087-5b9f-4a6b-8975-7098844177a3" xlink:href="klxe-20250630.xsd#klxe_ProceedsFromIssuanceOfSeniorLongTermDebtAndWarrants"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_62c9b896-4d85-44f3-941d-efe04af0011f" xlink:to="loc_klxe_ProceedsFromIssuanceOfSeniorLongTermDebtAndWarrants_16799087-5b9f-4a6b-8975-7098844177a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSeniorDebt_25a5d6df-cf65-4e32-86d5-98a7120ccf78" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfSeniorDebt"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_62c9b896-4d85-44f3-941d-efe04af0011f" xlink:to="loc_us-gaap_RepaymentsOfSeniorDebt_25a5d6df-cf65-4e32-86d5-98a7120ccf78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_fdcd1369-68b8-4018-a2ba-0f656a267fe7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_62c9b896-4d85-44f3-941d-efe04af0011f" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_fdcd1369-68b8-4018-a2ba-0f656a267fe7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_9cb819d9-0cd6-4f00-878b-fb1cae26c16c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_62c9b896-4d85-44f3-941d-efe04af0011f" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_9cb819d9-0cd6-4f00-878b-fb1cae26c16c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_5b09278c-8171-4ced-9f1a-d68c834b0033" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_62c9b896-4d85-44f3-941d-efe04af0011f" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_5b09278c-8171-4ced-9f1a-d68c834b0033" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfNotesPayable_c620fbd4-8a81-417d-9c1e-e1f9f85a2fb8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromRepaymentsOfNotesPayable"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_62c9b896-4d85-44f3-941d-efe04af0011f" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfNotesPayable_c620fbd4-8a81-417d-9c1e-e1f9f85a2fb8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_37b2f0f7-a814-49c7-be21-bd1dae8ce3a3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_62c9b896-4d85-44f3-941d-efe04af0011f" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_37b2f0f7-a814-49c7-be21-bd1dae8ce3a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a21e1535-0637-4829-a949-4441c7315d10" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_a12e4a7f-6e06-4113-ab7c-aeb0071d26b7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a21e1535-0637-4829-a949-4441c7315d10" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_a12e4a7f-6e06-4113-ab7c-aeb0071d26b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_0f5cc17c-3d6f-46d5-803e-4bf6bdbcf929" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a21e1535-0637-4829-a949-4441c7315d10" xlink:to="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_0f5cc17c-3d6f-46d5-803e-4bf6bdbcf929" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2117cfc2-33df-4455-99b5-7aeb9b871dc4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_95fa4225-68fe-46ff-acfb-90635f7c56f5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2117cfc2-33df-4455-99b5-7aeb9b871dc4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_95fa4225-68fe-46ff-acfb-90635f7c56f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_c620f712-dff3-4ede-a4c3-88d8ea4a457e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2117cfc2-33df-4455-99b5-7aeb9b871dc4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_c620f712-dff3-4ede-a4c3-88d8ea4a457e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_481e33bf-4508-4643-8d19-d217bd41961f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2117cfc2-33df-4455-99b5-7aeb9b871dc4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_481e33bf-4508-4643-8d19-d217bd41961f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_60fbf476-49db-4141-92b1-3c179b9f64c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_NetIncomeLoss_60fbf476-49db-4141-92b1-3c179b9f64c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_6e21b398-ca88-46a8-ba39-bcb572d40035" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_6e21b398-ca88-46a8-ba39-bcb572d40035" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_9fd6f60e-4ee6-4c6f-8c1f-2d3758adc2b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_AssetImpairmentCharges_9fd6f60e-4ee6-4c6f-8c1f-2d3758adc2b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_eda04051-d409-4822-b31c-71f3311f0a09" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_ShareBasedCompensation_eda04051-d409-4822-b31c-71f3311f0a09" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_f0440763-54d4-4269-af89-cf28446346ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_f0440763-54d4-4269-af89-cf28446346ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_844e8235-99e0-43c5-ae2d-1e28314b5339" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryWriteDown"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_InventoryWriteDown_844e8235-99e0-43c5-ae2d-1e28314b5339" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_3cc4b038-b178-47c9-931a-f3634d0b18ac" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_3cc4b038-b178-47c9-931a-f3634d0b18ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_cc7c99ce-719c-498a-8198-febf8ada32e1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_cc7c99ce-719c-498a-8198-febf8ada32e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_c534c424-487a-46d1-8b47-6cf1a2b221ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_c534c424-487a-46d1-8b47-6cf1a2b221ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_e58c9899-4e4f-4ef2-be96-942fb20045b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_e58c9899-4e4f-4ef2-be96-942fb20045b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_9c380549-6d86-4eb1-ad50-03a3c80aeea9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_9c380549-6d86-4eb1-ad50-03a3c80aeea9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_3f4b02f5-dd9f-4fb2-b5c8-4631f71a0363" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_3f4b02f5-dd9f-4fb2-b5c8-4631f71a0363" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_3a1b7ff0-20ef-46a1-b535-df47f7289231" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_3a1b7ff0-20ef-46a1-b535-df47f7289231" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_3c5366bd-2804-4f06-9578-68da6142f947" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableTrade"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_3c5366bd-2804-4f06-9578-68da6142f947" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_37537d66-9f54-4441-8a58-e86581efa60f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_37537d66-9f54-4441-8a58-e86581efa60f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_klxe_OtherNoncashInterestExpense_45579a46-4be2-43b4-be68-c115cfd48fb6" xlink:href="klxe-20250630.xsd#klxe_OtherNoncashInterestExpense"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dc36247-c8b6-4b56-9044-21e5b89272c8" xlink:to="loc_klxe_OtherNoncashInterestExpense_45579a46-4be2-43b4-be68-c115cfd48fb6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.klx.com/role/InventoriesNetInventoryDetails" xlink:type="simple" xlink:href="klxe-20250630.xsd#InventoriesNetInventoryDetails"/>
  <link:calculationLink xlink:role="http://www.klx.com/role/InventoriesNetInventoryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_ae9d453a-ef8a-417a-8b27-054a098601a3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryGross_31cfbac5-32f9-4d76-93c6-bb2e10cf2aa4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_ae9d453a-ef8a-417a-8b27-054a098601a3" xlink:to="loc_us-gaap_InventoryGross_31cfbac5-32f9-4d76-93c6-bb2e10cf2aa4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserves_0b804ed0-0108-4f4d-b3f1-de28abc5fe18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryValuationReserves"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_ae9d453a-ef8a-417a-8b27-054a098601a3" xlink:to="loc_us-gaap_InventoryValuationReserves_0b804ed0-0108-4f4d-b3f1-de28abc5fe18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryGross_d43cafbd-ab48-499e-8df7-f7c45b0be217" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInventory_33b46ef8-e04c-4e59-ad12-ff467e05b4aa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherInventory"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_d43cafbd-ab48-499e-8df7-f7c45b0be217" xlink:to="loc_us-gaap_OtherInventory_33b46ef8-e04c-4e59-ad12-ff467e05b4aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterials_e5f577ca-91b3-48c6-b960-b81ec19f9081" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryRawMaterials"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_d43cafbd-ab48-499e-8df7-f7c45b0be217" xlink:to="loc_us-gaap_InventoryRawMaterials_e5f577ca-91b3-48c6-b960-b81ec19f9081" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoods_3a8e31c1-086f-4057-b88c-7ac67de3caed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryFinishedGoods"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_d43cafbd-ab48-499e-8df7-f7c45b0be217" xlink:to="loc_us-gaap_InventoryFinishedGoods_3a8e31c1-086f-4057-b88c-7ac67de3caed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_klxe_SparePartsGross_753d38f2-7a08-4041-928c-7d726a1d604b" xlink:href="klxe-20250630.xsd#klxe_SparePartsGross"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_d43cafbd-ab48-499e-8df7-f7c45b0be217" xlink:to="loc_klxe_SparePartsGross_753d38f2-7a08-4041-928c-7d726a1d604b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.klx.com/role/PropertyandEquipmentNetPropertyandEquipmentDetails" xlink:type="simple" xlink:href="klxe-20250630.xsd#PropertyandEquipmentNetPropertyandEquipmentDetails"/>
  <link:calculationLink xlink:role="http://www.klx.com/role/PropertyandEquipmentNetPropertyandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_7c8fb297-574b-4557-8bac-a85e159c7aa4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_5022e77c-bd00-435d-8274-2320797c5bbf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_7c8fb297-574b-4557-8bac-a85e159c7aa4" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_5022e77c-bd00-435d-8274-2320797c5bbf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_67eb5bb1-67b7-4bfb-a213-5cc73884305a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_7c8fb297-574b-4557-8bac-a85e159c7aa4" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_67eb5bb1-67b7-4bfb-a213-5cc73884305a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_24f43288-223d-4657-bdb5-b665f5c94c5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_cded84a0-f924-480a-a18c-b530f3c22cd2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_24f43288-223d-4657-bdb5-b665f5c94c5d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_cded84a0-f924-480a-a18c-b530f3c22cd2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_6fad4152-923b-4314-bb66-5337979ec38d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_24f43288-223d-4657-bdb5-b665f5c94c5d" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_6fad4152-923b-4314-bb66-5337979ec38d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_add22201-b750-4fb8-81fd-0edcd61f9a8b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_24f43288-223d-4657-bdb5-b665f5c94c5d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_add22201-b750-4fb8-81fd-0edcd61f9a8b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.klx.com/role/DebtDebtOutstandingDetails" xlink:type="simple" xlink:href="klxe-20250630.xsd#DebtDebtOutstandingDetails"/>
  <link:calculationLink xlink:role="http://www.klx.com/role/DebtDebtOutstandingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_f5c47823-bbf9-491e-be08-307821349368" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_8d8d81e0-fb23-4f5c-9f79-a5d37241535c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_f5c47823-bbf9-491e-be08-307821349368" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_8d8d81e0-fb23-4f5c-9f79-a5d37241535c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_07e067b6-a608-48c1-8744-ce160197a8d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_f5c47823-bbf9-491e-be08-307821349368" xlink:to="loc_us-gaap_LongTermDebtCurrent_07e067b6-a608-48c1-8744-ce160197a8d2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.klx.com/role/DebtDebtOutstandingDetails_1" xlink:type="simple" xlink:href="klxe-20250630.xsd#DebtDebtOutstandingDetails_1"/>
  <link:calculationLink xlink:role="http://www.klx.com/role/DebtDebtOutstandingDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_35bea3ed-2703-4f69-ad68-1bbf730739a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_cd4c1f1b-03fb-4de4-8b16-7adbab3aa602" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_35bea3ed-2703-4f69-ad68-1bbf730739a7" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_cd4c1f1b-03fb-4de4-8b16-7adbab3aa602" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_7e7de3f6-91ca-4bc9-a96d-b605f3e49331" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_35bea3ed-2703-4f69-ad68-1bbf730739a7" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_7e7de3f6-91ca-4bc9-a96d-b605f3e49331" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_a3526a76-250c-4e1b-a42d-74839cb3bb99" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_35bea3ed-2703-4f69-ad68-1bbf730739a7" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_a3526a76-250c-4e1b-a42d-74839cb3bb99" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.klx.com/role/NetLossPerCommonShareComputationsofBasicandDilutedEarningsPerShareDetails" xlink:type="simple" xlink:href="klxe-20250630.xsd#NetLossPerCommonShareComputationsofBasicandDilutedEarningsPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.klx.com/role/NetLossPerCommonShareComputationsofBasicandDilutedEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_92220330-99b0-4d18-9885-0712050b714f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4abd2a42-9bab-42a8-91a8-7ba30d144e53" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_92220330-99b0-4d18-9885-0712050b714f" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4abd2a42-9bab-42a8-91a8-7ba30d144e53" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_ca72db3e-f0cf-4c92-bab8-277e561b7337" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_92220330-99b0-4d18-9885-0712050b714f" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_ca72db3e-f0cf-4c92-bab8-277e561b7337" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
