Here are the most important Facebook image sizes:
- Profile -
● Facebook Profile picture: 500x500 pixels.
● Facebook Fanpage Profile Picture: 180x180 pixels.
- Covers -
● Facebook Profile Cover: 851x360 pixels.
● Facebook Fanpage Cover: 820x360 pixels.
● Facebook Groups Cover: 851x360 pixels.
● Facebook Events Cover: 500x314 pixels.
- Posts -
● Facebook post (Standard): 1200x628 pixels.
● Facebook post (Square): 1200x1200 pixels.
● Facebook post (Vertical): 1000x1300 pixels.
● Facebook Story: 750x1334 pixels.
- Ads -
● Facebook Ad (Standard): 1200x628 pixels.
● Facebook Ad (Carousel): 1200x1200 pixels.
● Facebook Ad (Marketplace): 1024x1024 pixels.