1---
2category: '@Math'
3---
4 
5# useAverage
6 
7Get the average of an array reactively.
8 
9## Usage
10 
11```ts
12import { useAverage } from '@vueuse/math'
13 
14const list = ref([1, 2, 3])
15const averageValue = useAverage(list) // Ref<2>
16```
17 
18```ts
19import { useAverage } from '@vueuse/math'
20 
21const a = ref(1)
22const b = ref(3)
23 
24const averageValue = useAverage(a, b) // Ref<2>
25```
26 
27## Type Declarations
28 
29```ts
30export declare function useAverage(
31  array: MaybeRefOrGetter<MaybeRefOrGetter<number>[]>,
32): ComputedRef<number>
33export declare function useAverage(
34  ...args: MaybeRefOrGetter<number>[]
35): ComputedRef<number>
36```
37