Facebook Cover Size - 851x315
Cover photo is 851x315 (2.7:1) on desktop. Mobile shows a 640x360 centered crop and the profile picture overlaps bottom-left. The calculator below is set to 851:315 - keep titles in the center 820x312 safe.
:
1920 × 711
Exact ratio: 851:315 · CSS: aspect-ratio: 851 / 315 · padding-top fallback: 37.02%
Specs
| Spec | Value |
|---|---|
| Master | 851x315 (2.7:1) |
| Mobile crop | 640x360 centered |
| Safe center | 820x312 |
| File | JPG sRGB, under 100KB for fast load |
| CSS | aspect-ratio: 851 / 315 |
Design tips
- Center key text in 820x312 - outside gets cropped on mobile or covered by profile picture.
- Export at 851x315 exactly; Facebook recompresses larger uploads.
Related
Tip: 851x315 is 2.7:1 - width is 2.7x height. That extra width is why side crops matter on mobile.