diff --git a/ui-ngx/src/app/modules/home/components/widget/config/basic/cards/aggregated-data-key-row.component.html b/ui-ngx/src/app/modules/home/components/widget/config/basic/cards/aggregated-data-key-row.component.html
index 58df05162b..9b77abf74f 100644
--- a/ui-ngx/src/app/modules/home/components/widget/config/basic/cards/aggregated-data-key-row.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/config/basic/cards/aggregated-data-key-row.component.html
@@ -47,7 +47,9 @@
     />
   </mat-form-field>
   <div class="tb-units-field">
-    <tb-unit-input formControlName="units">
+    <tb-unit-input
+      [allowConverted]="supportsUnitConversion"
+      formControlName="units">
     </tb-unit-input>
   </div>
   <div class="tb-decimals-field">
diff --git a/ui-ngx/src/app/modules/home/components/widget/config/basic/cards/aggregated-data-key-row.component.ts b/ui-ngx/src/app/modules/home/components/widget/config/basic/cards/aggregated-data-key-row.component.ts
index d790b1d477..23b700ccbf 100644
--- a/ui-ngx/src/app/modules/home/components/widget/config/basic/cards/aggregated-data-key-row.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/config/basic/cards/aggregated-data-key-row.component.ts
@@ -123,6 +123,10 @@ export class AggregatedDataKeyRowComponent implements ControlValueAccessor, OnIn
     return [DatasourceType.device, DatasourceType.entity].includes(this.datasourceType);
   }
 
+  get supportsUnitConversion(): boolean {
+    return this.widgetConfigComponent.modelValue?.typeParameters?.supportsUnitConversion ?? false;
+  }
+
   private propagateChange = (_val: any) => {};
 
   constructor(private fb: UntypedFormBuilder,
@@ -222,7 +226,8 @@ export class AggregatedDataKeyRowComponent implements ControlValueAccessor, OnIn
           callbacks: this.callbacks,
           hideDataKeyName: true,
           hideDataKeyLabel: true,
-          hideDataKeyColor: true
+          hideDataKeyColor: true,
+          supportsUnitConversion: this.supportsUnitConversion
         }
       }).afterClosed().subscribe((updatedDataKey) => {
       if (updatedDataKey) {
diff --git a/ui-ngx/src/app/modules/home/components/widget/config/basic/common/data-key-row.component.html b/ui-ngx/src/app/modules/home/components/widget/config/basic/common/data-key-row.component.html
index 2ed3afa3bf..ace382d228 100644
--- a/ui-ngx/src/app/modules/home/components/widget/config/basic/common/data-key-row.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/config/basic/common/data-key-row.component.html
@@ -69,6 +69,7 @@
   </div>
   <div *ngIf="!hideUnits && !hideDataKeyUnits && (!singleRow || displayUnitsOrDigits)" class="tb-units-field">
     <tb-unit-input *ngIf="displayUnitsOrDigits"
+      [allowConverted]="supportsUnitConversion"
       formControlName="units">
     </tb-unit-input>
   </div>
diff --git a/ui-ngx/src/app/modules/home/components/widget/config/basic/common/data-key-row.component.ts b/ui-ngx/src/app/modules/home/components/widget/config/basic/common/data-key-row.component.ts
index 7997e332d5..0b3b8107f6 100644
--- a/ui-ngx/src/app/modules/home/components/widget/config/basic/common/data-key-row.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/config/basic/common/data-key-row.component.ts
@@ -225,6 +225,10 @@ export class DataKeyRowComponent implements ControlValueAccessor, OnInit, OnChan
     return this.hasAdditionalLatestDataKeys && this.keyRowFormGroup.get('latest').value === true;
   }
 
+  get supportsUnitConversion(): boolean {
+    return this.widgetConfigComponent.modelValue?.typeParameters?.supportsUnitConversion ?? false;
+  }
+
   private propagateChange = (_val: any) => {};
 
   constructor(private fb: UntypedFormBuilder,
@@ -337,7 +341,8 @@ export class DataKeyRowComponent implements ControlValueAccessor, OnInit, OnChan
           hideDataKeyLabel: this.hideDataKeyLabel,
           hideDataKeyColor: this.hideDataKeyColor,
           hideDataKeyUnits: this.hideDataKeyUnits || !this.displayUnitsOrDigits,
-          hideDataKeyDecimals: this.hideDataKeyDecimals || !this.displayUnitsOrDigits
+          hideDataKeyDecimals: this.hideDataKeyDecimals || !this.displayUnitsOrDigits,
+          supportsUnitConversion: this.supportsUnitConversion
         }
       }).afterClosed().subscribe((updatedDataKey) => {
       if (updatedDataKey) {
diff --git a/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.html b/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.html
index f7bb0662e9..9059decca4 100644
--- a/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.html
@@ -71,6 +71,7 @@
                   [hideDataKeyUnits]="hideDataKeyUnits"
                   [hideDataKeyDecimals]="hideDataKeyDecimals"
                   [maxDataKeys]="maxDataKeys"
+                  [supportsUnitConversion]="supportsUnitConversion"
                   [optDataKeys]="isDataKeysOptional(datasourceFormGroup.get('type').value)"
                   [simpleDataKeysLabel]="!hasAdditionalLatestDataKeys"
                   [aliasController]="aliasController"
diff --git a/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.ts b/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.ts
index 5a519c18d1..48b31439db 100644
--- a/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.ts
@@ -135,6 +135,10 @@ export class DatasourceComponent implements ControlValueAccessor, OnInit, Valida
     return this.widgetConfigComponent.modelValue?.dataKeySettingsFunction;
   }
 
+  public get supportsUnitConversion(): boolean {
+    return this.widgetConfigComponent.modelValue?.typeParameters?.supportsUnitConversion ?? false;
+  }
+
   public get dashboard(): Dashboard {
     return this.widgetConfigComponent.dashboard;
   }
diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config-dialog.component.html b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config-dialog.component.html
index 49f578079b..de54ff86d4 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config-dialog.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config-dialog.component.html
@@ -50,6 +50,7 @@
       [hideDataKeyColor]="data.hideDataKeyColor"
       [hideDataKeyUnits]="data.hideDataKeyUnits"
       [hideDataKeyDecimals]="data.hideDataKeyDecimals"
+      [supportsUnitConversion]="data.supportsUnitConversion"
       formControlName="dataKey">
     </tb-data-key-config>
   </div>
diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config-dialog.component.ts b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config-dialog.component.ts
index 2b11c62632..829402a53f 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config-dialog.component.ts
@@ -56,6 +56,7 @@ export interface DataKeyConfigDialogData {
   hideDataKeyColor?: boolean;
   hideDataKeyUnits?: boolean;
   hideDataKeyDecimals?: boolean;
+  supportsUnitConversion?: boolean
 }
 
 @Component({
diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config.component.html b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config.component.html
index 0af5159846..68a2b5b851 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config.component.html
@@ -49,6 +49,7 @@
         <div class="tb-form-row space-between" *ngIf="!hideDataKeyUnits">
           <div translate>widget-config.units-short</div>
           <tb-unit-input
+            [allowConverted]="supportsUnitConversion"
             formControlName="units">
           </tb-unit-input>
         </div>
diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config.component.ts b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config.component.ts
index c85a8f0ba6..c7b65bfc83 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-key-config.component.ts
@@ -153,6 +153,10 @@ export class DataKeyConfigComponent extends PageComponent implements OnInit, Con
   @coerceBoolean()
   hideDataKeyDecimals = false;
 
+  @Input()
+  @coerceBoolean()
+  supportsUnitConversion = false;
+
   @ViewChild('keyInput') keyInput: ElementRef;
 
   @ViewChild('funcBodyEdit', {static: false}) funcBodyEdit: JsFuncComponent;
diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-keys.component.ts b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-keys.component.ts
index a9be1fd352..a1c388845f 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-keys.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/key/data-keys.component.ts
@@ -169,6 +169,10 @@ export class DataKeysComponent implements ControlValueAccessor, OnInit, OnChange
   @coerceBoolean()
   simpleDataKeysLabel = false;
 
+  @Input()
+  @coerceBoolean()
+  supportsUnitConversion = false;
+
   @Input()
   aliasController: IAliasController;
 
@@ -610,7 +614,8 @@ export class DataKeysComponent implements ControlValueAccessor, OnInit, OnChange
           hideDataKeyLabel: this.hideDataKeyLabel,
           hideDataKeyColor: this.hideDataKeyColor,
           hideDataKeyUnits: this.hideDataKeyUnits,
-          hideDataKeyDecimals: this.hideDataKeyDecimals
+          hideDataKeyDecimals: this.hideDataKeyDecimals,
+          supportsUnitConversion: this.supportsUnitConversion
         }
       }).afterClosed().subscribe((updatedDataKey) => {
         if (updatedDataKey) {
diff --git a/ui-ngx/src/app/modules/home/components/widget/widget-component.service.ts b/ui-ngx/src/app/modules/home/components/widget/widget-component.service.ts
index c0f37b3a37..c8b9eb963b 100644
--- a/ui-ngx/src/app/modules/home/components/widget/widget-component.service.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/widget-component.service.ts
@@ -662,6 +662,9 @@ export class WidgetComponentService {
         if (isUndefined(result.typeParameters.targetDeviceOptional)) {
           result.typeParameters.targetDeviceOptional = false;
         }
+        if (isUndefined(result.typeParameters.supportsUnitConversion)) {
+          result.typeParameters.supportsUnitConversion = false;
+        }
         if (isDefinedAndNotNull(result.typeParameters.additionalWidgetActionTypes)) {
           if (Array.isArray(result.typeParameters.additionalWidgetActionTypes)) {
             result.typeParameters.additionalWidgetActionTypes = result.typeParameters.additionalWidgetActionTypes.filter(type => WidgetActionType[type]);
diff --git a/ui-ngx/src/app/modules/home/components/widget/widget-config.component.html b/ui-ngx/src/app/modules/home/components/widget/widget-config.component.html
index efa1dffe0b..77764ba408 100644
--- a/ui-ngx/src/app/modules/home/components/widget/widget-config.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/widget-config.component.html
@@ -291,6 +291,7 @@
       <div *ngIf="displayUnitsConfig" class="tb-form-row space-between">
         <div tb-hint-tooltip-icon="{{'widget-config.default-data-key-parameter-hint' | translate}}" translate>widget-config.units-by-default</div>
         <tb-unit-input
+          [allowConverted]="modelValue.typeParameters.supportsUnitConversion"
           formControlName="units">
         </tb-unit-input>
       </div>
diff --git a/ui-ngx/src/app/shared/models/widget.models.ts b/ui-ngx/src/app/shared/models/widget.models.ts
index 21d7927d16..221358d8c8 100644
--- a/ui-ngx/src/app/shared/models/widget.models.ts
+++ b/ui-ngx/src/app/shared/models/widget.models.ts
@@ -196,6 +196,7 @@ export interface WidgetTypeParameters {
   dataKeySettingsFunction?: DataKeySettingsFunction;
   displayRpcMessageToast?: boolean;
   targetDeviceOptional?: boolean;
+  supportsUnitConversion?: boolean;
   additionalWidgetActionTypes?: WidgetActionType[];
 }