diff --git a/ui-ngx/src/app/modules/home/components/calculated-fields/components/dialog/calculated-field-dialog.component.ts b/ui-ngx/src/app/modules/home/components/calculated-fields/components/dialog/calculated-field-dialog.component.ts
index edf7ad2990..757231364b 100644
--- a/ui-ngx/src/app/modules/home/components/calculated-fields/components/dialog/calculated-field-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/components/calculated-fields/components/dialog/calculated-field-dialog.component.ts
@@ -24,6 +24,7 @@ import { DialogComponent } from '@shared/components/dialog.component';
 import {
   CalculatedField,
   CalculatedFieldConfiguration,
+  calculatedFieldDefaultScript,
   CalculatedFieldDialogData,
   CalculatedFieldType,
   CalculatedFieldTypeTranslations,
@@ -56,7 +57,7 @@ export class CalculatedFieldDialogComponent extends DialogComponent<CalculatedFi
     configuration: this.fb.group({
       arguments: this.fb.control({}),
       expressionSIMPLE: ['', [Validators.required, Validators.pattern(oneSpaceInsideRegex), Validators.maxLength(255)]],
-      expressionSCRIPT: [],
+      expressionSCRIPT: [calculatedFieldDefaultScript],
       output: this.fb.group({
         name: ['', [Validators.required, Validators.pattern(oneSpaceInsideRegex), Validators.maxLength(255)]],
         scope: [{ value: AttributeScope.SERVER_SCOPE, disabled: true }],
diff --git a/ui-ngx/src/app/shared/models/calculated-field.models.ts b/ui-ngx/src/app/shared/models/calculated-field.models.ts
index 4467fecc79..9e646a86df 100644
--- a/ui-ngx/src/app/shared/models/calculated-field.models.ts
+++ b/ui-ngx/src/app/shared/models/calculated-field.models.ts
@@ -604,3 +604,8 @@ const calculatedFieldTimeWindowArgumentValueHighlightRules: AceHighlightRules =
     endGroupHighlightRule
   ]
 }
+
+export const calculatedFieldDefaultScript = 'return {\n' +
+  '    // Convert Fahrenheit to Celsius\n' +
+  '    "temperatureC": (temperature - 32) / 1.8\n' +
+  '};'