Facebook Page cover photo Ad Size: 851×315 px
Aspect ratio 2.7:1 · 851×315 pixels · JPG, PNG
Facebook page cover is 851×315 on desktop but crops to 640×360 on mobile — the mobile crop chops the sides, so keep the important stuff center-composed.
Why this size matters
Not an ad placement, but organic touch — every visitor to your page sees it. A well-designed cover carrying the same offer as active ads lifts landing-page CVR by 5–10%.
- Formats
- JPG, PNG
- Max file size
- 8 MB
- Safe zone
- Top 24px, bottom 130px, right 24px
- Best for
- Page branding — first thing new visitors see.
Design tips that actually move the needle
- 01Design at 851×315 but keep everything critical inside the center 640×315 rectangle.
- 02Profile picture overlaps the bottom-left ~170×170 area on mobile.
- 03No text-heavy designs — mobile crops sides, text gets clipped.
- 04Match the active ad campaign's visual so ad clickers to the page see a consistent brand.
People also ask
Why does my cover look cropped on phone?+
Facebook displays 851×315 on desktop and 640×360 on mobile — mobile has less width. Keep everything critical in the center.
Can I use a video cover?+
Yes — 820×462, 20–90 seconds. Video covers get a small auto-play but distract from the CTA button. Static usually converts better.
What is 2.7:1 in pixels?+
For Facebook Page cover photo, a 2.7:1 aspect ratio is 851×315 pixels. Any resolution with the same ratio works, but 851×315 px is the recommended native size and avoids upscaling.
Is 851×315 the right size for Facebook Page cover photo?+
Yes — 851×315 px (2.7:1) is the recommended Facebook Page cover photo ad size. Accepted formats: JPG, PNG. Maximum file size: 8 MB.
Related sizes
Free tools for this size
Aspect ratio reference
→ 2.7:1 aspect ratio: pixel sizes, mm and placementsFull platform reference
→ All Facebook ad specsStop resizing by hand. Xeli does it for you.
Xeli composes every asset to the correct native aspect and safe zone per placement — automatically, across every platform.
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