Aspect Ratio For Facebook Cover. Use an image thats at least 940 pixels wide by 352 pixels tall. However whilst this looks ideal on mobile the Desktop version will be slightly cropped.
Facebook Cover Video Dimensions. If you upload a Facebook cover photo at 820 x 312 pixels the center 555 x 312 pixels will be viewable on mobile. As a result you need your important text or other main image feature in the centre.
815 pixels wide and 315 pixels tall for desktop 640 pixels wide by 360 pixels tall for mobile.
The proper aspect ratio for a Facebook cover photo is 850X315 see tutorial video. The videos you upload must measure at least 820 by 312 pixels. Resizing Pictures to width and height Use the page format setting to change to that ratio. Facebook Cover Video Dimensions.
