---
category: '@Math'
---

# useRound

Reactive `Math.round`.

## Usage

```ts
import { useRound } from '@vueuse/math';

const value = ref(20.49);
const result = useRound(value); // 20
```

## Type Declarations

```ts
/**
 * Reactive `Math.round`.
 *
 * @see https://vueuse.org/useRound
 *
 * @__NO_SIDE_EFFECTS__
 */
export declare function useRound(value: MaybeRefOrGetter<number>): ComputedRef<number>;
```