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

# useMax

Reactive `Math.max`.

## Usage

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

const array = ref([1, 2, 3, 4]);
const max = useMax(array); // Ref<4>
```

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

const a = ref(1);
const b = ref(3);

const max = useMax(a, b, 2); // Ref<3>
```

## Type Declarations

```ts
export declare function useMax(
  array: MaybeRefOrGetter<MaybeRefOrGetter<number>[]>,
): ComputedRef<number>;
export declare function useMax(...args: MaybeRefOrGetter<number>[]): ComputedRef<number>;
```