# useViewportSize

```tsx
import {useViewportSize} from '@gravity-ui/uikit';
```

The `useViewportSize` hook calculates the size of the viewport at the resize event

## Result

| Name   | Description     |   Type   |
| :----- | :-------------- | :------: |
| width  | Viewport width  | `number` |
| height | Viewport height | `number` |