Web platform features explorer

cap unit

The cap CSS length unit corresponds to the height of Latin capital letters.

Status

Baseline Newly Available (since 2023-12-11)

This feature is expected to reach Baseline Widely Available status on: 2026-06-11

MDN documentation

Browser support

  • Chrome 118 Released on 2023-10-10
  • Chrome Android 118 Released on 2023-10-10
  • Edge 118 Released on 2023-10-13
  • Firefox 97 Released on 2022-02-08
  • Firefox for Android 97 Released on 2022-02-08
  • Safari 17.2 Released on 2023-12-11
  • Safari on iOS 17.2 Released on 2023-12-11

Usage (according to Chrome Platform Status)

~0.011% of page loads. More data at chromestatus.