I attempt to maintain this as up-to-date as possible, but Facebook has an awful behavior of making unannounced adjustments then rolling them out progressively to customers to make sure that not everyone obtains them at the same time. If you've seen something that's changed, please let me understand in the comments so I could check out and also upgrade as necessary.
Facebook Profile Picture Size
Facebook profile Picture Size
The profile Image is the smaller sized, square near the bottom that's to the left of the cover image. It utilized to overlay the cover image's base left edge, however in the latest layout, it has been transferred to its own spot in the top left of the web page.
Your Web page's profile picture:
Displays at 170x170 pixels on your Web page on computers, 128x128 pixels on mobile phones as well as 36x36 pixels on many feature phones
For profile images and also cover images with your logo design or message, you might obtain a far better result by utilizing a PNG file.
Remember that your Web page's profile image will be cropped to a round shape in ads and articles, however will certainly remain the same square form when people see your Web page.
Profile Picture on the Timeline
The profile photo that appears next to your name on comments and articles coincides photo however is instantly scaled down to 40px by 40px.