1---
2category: '@Math'
3---
4 
5# useAbs
6 
7Reactive `Math.abs`.
8 
9## Usage
10 
11```ts
12import { useAbs } from '@vueuse/math'
13 
14const value = ref(-23)
15const absValue = useAbs(value) // Ref<23>
16```
17 
18## Type Declarations
19 
20```ts
21/**
22 * Reactive `Math.abs`.
23 *
24 * @see https://vueuse.org/useAbs
25 *
26 * @__NO_SIDE_EFFECTS__
27 */
28export declare function useAbs(
29  value: MaybeRefOrGetter<number>,
30): ComputedRef<number>
31```
32