# vh unit

The `vh` relative unit of measurement is equal to `1%` of the height of the viewport or, for example, the height of the browser window.

## Example

Let's give the rectangle a height of `80vh`. To see the difference in rectangle height values, change the size of your browser window:

## See also

- the `px` unit
  that specifies a size in pixels
- the `em` unit
  that specifies a size in em
- the `rem` unit
  that specifies a size in rem
- the `%` unit
  that specifies a size in percentage
- the `vw` unit
  that specifies a size in vw
- the `vmax` unit
  that specifies a size in vmax
- the `vmin` unit
  that specifies a size in vmin
- the `fr` unit
  that specifies a size in fr

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