diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6bd13817..fa1483ca2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org). Thia is a
 
 ### Added
 
+- Option to use OldCalculatedValue in ToArray and Relatives. [Issue #1810](https://github.com/PHPOffice/PhpSpreadsheet/issues/1810) [PR #4787](https://github.com/PHPOffice/PhpSpreadsheet/pull/4787)
 - Add checkbox style (Xlsx and Html). [PR #4781](https://github.com/PHPOffice/PhpSpreadsheet/pull/4781)
 - Writer/Html add ability to set line ending. [PR #4779](https://github.com/PHPOffice/PhpSpreadsheet/pull/4779)
 - Writer/Html optionally save formulas as data attributes. [PR #4783](https://github.com/PHPOffice/PhpSpreadsheet/pull/4783)
diff --git a/src/PhpSpreadsheet/Worksheet/Worksheet.php b/src/PhpSpreadsheet/Worksheet/Worksheet.php
index 657216d97..d482adf70 100644
--- a/src/PhpSpreadsheet/Worksheet/Worksheet.php
+++ b/src/PhpSpreadsheet/Worksheet/Worksheet.php
@@ -3000,7 +3000,7 @@ class Worksheet
             } elseif ($calculateFormulas) {
                 $returnValue = $cell->getCalculatedValue();
             } elseif ($oldCalculatedValue && ($cell->getDataType() === DataType::TYPE_FORMULA)) {
-                $returnValue = $cell->getOldCalculatedValue();
+                $returnValue = $cell->getOldCalculatedValue() ?? $cell->getValue();
             } else {
                 $returnValue = $cell->getValue();
             }
diff --git a/tests/PhpSpreadsheetTests/Worksheet/ToArrayOldCalculatedValueTest.php b/tests/PhpSpreadsheetTests/Worksheet/ToArrayOldCalculatedValueTest.php
index 4ccb48028..726317f45 100644
--- a/tests/PhpSpreadsheetTests/Worksheet/ToArrayOldCalculatedValueTest.php
+++ b/tests/PhpSpreadsheetTests/Worksheet/ToArrayOldCalculatedValueTest.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace PhpOffice\PhpSpreadsheetTests\Worksheet;
 
 use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Writer\Xlsx as XlsxWriter;
 use PhpOffice\PhpSpreadsheetTests\Functional\AbstractFunctional;
 
 class ToArrayOldCalculatedValueTest extends AbstractFunctional
@@ -25,4 +26,24 @@ class ToArrayOldCalculatedValueTest extends AbstractFunctional
 
         $reloadedSpreadsheet->disconnectWorksheets();
     }
+
+    private function noPreCalculation(XlsxWriter $writer): void
+    {
+        $writer->setPreCalculateFormulas(false);
+    }
+
+    public function testNoPreCalculate(): void
+    {
+        $spreadsheet = new Spreadsheet();
+        $sheet = $spreadsheet->getActiveSheet();
+        $sheet->fromArray([['A', 'B', 'C', '=1+2']]);
+        $reloadedSpreadsheet = $this->writeAndReload($spreadsheet, 'Xlsx', null, $this->noPreCalculation(...));
+        $spreadsheet->disconnectWorksheets();
+        $rsheet = $reloadedSpreadsheet->getActiveSheet();
+        $rsheet->setCellValue('D1', '=1+3');
+        $array1 = $rsheet->toArray(formatData: false, calculateFormulas: false, oldCalculatedValue: true);
+        self::assertSame([['A', 'B', 'C', '=1+3']], $array1, 'uses value of cell if formula was not calculated');
+
+        $reloadedSpreadsheet->disconnectWorksheets();
+    }
 }