> For the complete documentation index, see [llms.txt](https://sryvkver.gitbook.io/cobi.bike/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sryvkver.gitbook.io/cobi.bike/namespaces/user/length-unit.md).

# Length Unit

The selected Length Unit inside of the COBI.Bike app.

{% tabs %}
{% tab title="Typescript" %}

```typescript
const onLengthUnitChange = (value: MeasurementUnit, timestamp?: Date) => {
    console.log(value, timestamp);
};

COBI.user.lengthUnit.read(onLengthUnitChange);
COBI.user.lengthUnit.subscribe(onLengthUnitChange);
COBI.user.lengthUnit.unsubscribe(onLengthUnitChange);
```

{% endtab %}

{% tab title="Javascript" %}

```javascript
const onLengthUnitChange = (value, timestamp) => {
    console.log(value, timestamp);
};

COBI.user.lengthUnit.read(onLengthUnitChange);
COBI.user.lengthUnit.subscribe(onLengthUnitChange);
COBI.user.lengthUnit.unsubscribe(onLengthUnitChange);
```

{% endtab %}
{% endtabs %}

{% content-ref url="/pages/b66RxLTFTkHj4H9xXm1B" %}
[MeasurementUnit](/cobi.bike/entities/measurementunit.md)
{% endcontent-ref %}

<details>

<summary>Example Response</summary>

```json
"METRIC"
```

</details>