Where 4:1 is used
4:1 is a very narrow strip. The LinkedIn personal cover image size of 1584 × 396 px is 4:1. Typical uses: LinkedIn cover images, slim website headers and leaderboard-style strips.
Common 4:1 resolutions
| Width × height | Name |
|---|---|
| 1584 × 396 px | LinkedIn cover |
| 1200 × 300 px | Slim header |
| 1920 × 480 px | Full-width strip |
| 2400 × 600 px | High resolution |
How to calculate 4:1 dimensions
Height = width × 1 ÷ 4. Width = height × 4 ÷ 1. Round to whole pixels; many video encoders also need even numbers.
CSS for a 4:1 box
.media { aspect-ratio: 4 / 1; width: 100%; }