diff --git a/ApplicationLibCode/ReservoirDataModel/ResultCalculators/CMakeLists_files.cmake b/ApplicationLibCode/ReservoirDataModel/ResultCalculators/CMakeLists_files.cmake
index e2f30ca139..548a3e719d 100644
--- a/ApplicationLibCode/ReservoirDataModel/ResultCalculators/CMakeLists_files.cmake
+++ b/ApplicationLibCode/ReservoirDataModel/ResultCalculators/CMakeLists_files.cmake
@@ -5,6 +5,7 @@ set(SOURCE_GROUP_HEADER_FILES
     ${CMAKE_CURRENT_LIST_DIR}/RigMobilePoreVolumeResultCalculator.h
     ${CMAKE_CURRENT_LIST_DIR}/RigIndexIjkResultCalculator.h
     ${CMAKE_CURRENT_LIST_DIR}/RigOilVolumeResultCalculator.h
+    ${CMAKE_CURRENT_LIST_DIR}/RigCellVolumeResultCalculator.h
 )
 
 set(SOURCE_GROUP_SOURCE_FILES
@@ -14,6 +15,7 @@ set(SOURCE_GROUP_SOURCE_FILES
     ${CMAKE_CURRENT_LIST_DIR}/RigMobilePoreVolumeResultCalculator.cpp
     ${CMAKE_CURRENT_LIST_DIR}/RigIndexIjkResultCalculator.cpp
     ${CMAKE_CURRENT_LIST_DIR}/RigOilVolumeResultCalculator.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/RigCellVolumeResultCalculator.cpp
 )
 
 list(APPEND CODE_HEADER_FILES ${SOURCE_GROUP_HEADER_FILES})
diff --git a/ApplicationLibCode/ReservoirDataModel/ResultCalculators/RigCellVolumeResultCalculator.cpp b/ApplicationLibCode/ReservoirDataModel/ResultCalculators/RigCellVolumeResultCalculator.cpp
new file mode 100644
index 0000000000..471fcfc1a1
--- /dev/null
+++ b/ApplicationLibCode/ReservoirDataModel/ResultCalculators/RigCellVolumeResultCalculator.cpp
@@ -0,0 +1,87 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2023-     Equinor ASA
+//
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+//
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "RigCellVolumeResultCalculator.h"
+#include "RiaDefines.h"
+#include "RiaResultNames.h"
+#include "RigActiveCellInfo.h"
+#include "RigCaseCellResultsData.h"
+#include "RigCell.h"
+#include "RigEclipseResultInfo.h"
+#include "RigMainGrid.h"
+
+//==================================================================================================
+///
+//==================================================================================================
+RigCellVolumeResultCalculator::RigCellVolumeResultCalculator( RigCaseCellResultsData& resultsData )
+    : RigEclipseResultCalculator( resultsData )
+{
+}
+
+//==================================================================================================
+///
+//==================================================================================================
+RigCellVolumeResultCalculator::~RigCellVolumeResultCalculator()
+{
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool RigCellVolumeResultCalculator::isMatching( const RigEclipseResultAddress& resVarAddr ) const
+{
+    return resVarAddr.resultName() == RiaResultNames::riCellVolumeResultName() &&
+           resVarAddr.resultCatType() == RiaDefines::ResultCatType::STATIC_NATIVE;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RigCellVolumeResultCalculator::calculate( const RigEclipseResultAddress& resVarAddr, size_t timeStepIndex )
+{
+    size_t cellVolIdx = m_resultsData->findOrCreateScalarResultIndex( RigEclipseResultAddress( RiaDefines::ResultCatType::STATIC_NATIVE,
+                                                                                               RiaResultNames::riCellVolumeResultName() ),
+                                                                      false );
+
+    if ( m_resultsData->m_cellScalarResults[cellVolIdx].empty() )
+    {
+        m_resultsData->m_cellScalarResults[cellVolIdx].resize( 1 );
+    }
+    std::vector<double>& cellVolumeResults = m_resultsData->m_cellScalarResults[cellVolIdx][0];
+
+    size_t cellResultCount = m_resultsData->m_activeCellInfo->reservoirActiveCellCount();
+    cellVolumeResults.resize( cellResultCount, std::numeric_limits<double>::infinity() );
+
+#pragma omp parallel for
+    for ( int nativeResvCellIndex = 0; nativeResvCellIndex < static_cast<int>( m_resultsData->m_ownerMainGrid->globalCellArray().size() );
+          nativeResvCellIndex++ )
+    {
+        size_t resultIndex = m_resultsData->activeCellInfo()->cellResultIndex( nativeResvCellIndex );
+        if ( resultIndex != cvf::UNDEFINED_SIZE_T )
+        {
+            const RigCell& cell = m_resultsData->m_ownerMainGrid->globalCellArray()[nativeResvCellIndex];
+            if ( !cell.subGrid() )
+            {
+                cellVolumeResults[resultIndex] = cell.volume();
+            }
+        }
+    }
+
+    // Clear oil volume so it will have to be recalculated.
+    m_resultsData->clearScalarResult( RiaDefines::ResultCatType::DYNAMIC_NATIVE, RiaResultNames::riOilVolumeResultName() );
+}
diff --git a/ApplicationLibCode/ReservoirDataModel/ResultCalculators/RigCellVolumeResultCalculator.h b/ApplicationLibCode/ReservoirDataModel/ResultCalculators/RigCellVolumeResultCalculator.h
new file mode 100644
index 0000000000..57a79e3f6d
--- /dev/null
+++ b/ApplicationLibCode/ReservoirDataModel/ResultCalculators/RigCellVolumeResultCalculator.h
@@ -0,0 +1,38 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2023-     Equinor ASA
+//
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+//
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include <cstddef>
+
+#include "RigEclipseResultCalculator.h"
+
+class RigCaseCellResultsData;
+class RigEclipseResultAddress;
+
+//==================================================================================================
+///
+//==================================================================================================
+class RigCellVolumeResultCalculator : public RigEclipseResultCalculator
+{
+public:
+    RigCellVolumeResultCalculator( RigCaseCellResultsData& resultsData );
+    ~RigCellVolumeResultCalculator() override;
+    bool isMatching( const RigEclipseResultAddress& resVarAddr ) const override;
+    void calculate( const RigEclipseResultAddress& resVarAddr, size_t timeStepIndex ) override;
+};
diff --git a/ApplicationLibCode/ReservoirDataModel/RigCaseCellResultsData.cpp b/ApplicationLibCode/ReservoirDataModel/RigCaseCellResultsData.cpp
index ae729eaeba..b787ae826a 100644
--- a/ApplicationLibCode/ReservoirDataModel/RigCaseCellResultsData.cpp
+++ b/ApplicationLibCode/ReservoirDataModel/RigCaseCellResultsData.cpp
@@ -28,6 +28,7 @@
 #include "RiaResultNames.h"
 #include "RigAllanDiagramData.h"
 #include "RigCaseCellResultCalculator.h"
+#include "RigCellVolumeResultCalculator.h"
 #include "RigEclipseAllanFaultsStatCalc.h"
 #include "RigEclipseCaseData.h"
 #include "RigEclipseMultiPropertyStatCalc.h"
@@ -2612,36 +2613,9 @@ double RigCaseCellResultsData::darchysValue()
 //--------------------------------------------------------------------------------------------------
 void RigCaseCellResultsData::computeCellVolumes()
 {
-    size_t cellVolIdx = this->findOrCreateScalarResultIndex( RigEclipseResultAddress( RiaDefines::ResultCatType::STATIC_NATIVE,
-                                                                                      RiaResultNames::riCellVolumeResultName() ),
-                                                             false );
-
-    if ( m_cellScalarResults[cellVolIdx].empty() )
-    {
-        m_cellScalarResults[cellVolIdx].resize( 1 );
-    }
-    std::vector<double>& cellVolumeResults = m_cellScalarResults[cellVolIdx][0];
-
-    size_t cellResultCount = m_activeCellInfo->reservoirActiveCellCount();
-    cellVolumeResults.resize( cellResultCount, std::numeric_limits<double>::infinity() );
-
-#pragma omp parallel for
-    for ( int nativeResvCellIndex = 0; nativeResvCellIndex < static_cast<int>( m_ownerMainGrid->globalCellArray().size() );
-          nativeResvCellIndex++ )
-    {
-        size_t resultIndex = activeCellInfo()->cellResultIndex( nativeResvCellIndex );
-        if ( resultIndex != cvf::UNDEFINED_SIZE_T )
-        {
-            const RigCell& cell = m_ownerMainGrid->globalCellArray()[nativeResvCellIndex];
-            if ( !cell.subGrid() )
-            {
-                cellVolumeResults[resultIndex] = cell.volume();
-            }
-        }
-    }
-
-    // Clear oil volume so it will have to be recalculated.
-    clearScalarResult( RiaDefines::ResultCatType::DYNAMIC_NATIVE, RiaResultNames::riOilVolumeResultName() );
+    RigEclipseResultAddress       addr( RiaDefines::ResultCatType::STATIC_NATIVE, RiaResultNames::riCellVolumeResultName() );
+    RigCellVolumeResultCalculator calculator( *this );
+    calculator.calculate( addr, 0 );
 }
 
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationLibCode/ReservoirDataModel/RigCaseCellResultsData.h b/ApplicationLibCode/ReservoirDataModel/RigCaseCellResultsData.h
index 9b2eb2cfdb..df6b7ffbd4 100644
--- a/ApplicationLibCode/ReservoirDataModel/RigCaseCellResultsData.h
+++ b/ApplicationLibCode/ReservoirDataModel/RigCaseCellResultsData.h
@@ -158,6 +158,7 @@ private:
     friend class RigMobilePoreVolumeResultCalculator;
     friend class RigIndexIjkResultCalculator;
     friend class RigOilVolumeResultCalculator;
+    friend class RigCellVolumeResultCalculator;
     size_t findOrLoadKnownScalarResultForTimeStep( const RigEclipseResultAddress& resVarAddr, size_t timeStepIndex );
 
     size_t findOrCreateScalarResultIndex( const RigEclipseResultAddress& resVarAddr, bool needsToBeStored );