Working out what image sizes to use on Facebook isn’t as easy as it could be and involves some wrangling to get the result you want. Each type of image on a page, profile, and timeline has its own size and quirks. And Facebook never has been very good about making its help pages easy to find.
So here’s my updated 2014 version of the unofficial guide for the sizes of Facebook photos on the various parts of the site. This post is the second in the series. You can find similar guides for Page Timelines, News Feeds, and Facebook Image Quality with the box at left.
Images on the Facebook News Feed
Okay, so you’ve carefully sized your images to look their best on your page. But Facebook has another surprise for you. The sizes visitors see when you got to your page are not the same sizes visitors see on their own news feeds. And the news feeds have their own little resizing quirk.
The maximum image space on a news feed is 470px wide by 394px high. An image of that exact aspect ratio (235:197) or those exact pixel dimensions will maximize the available space.
But unlike on timelines, images on the news feed aren’t cropped, so the full image is always displayed.
A horizontal (landscape) image takes up the full width of 470px, like this:
A vertical (portrait) image gets posted at 394px high, aligned to the left, with white space to the right. How much white space depends on the specific aspect ratio of your image. Like this: