I aim to keep this as up-to-date as possible, but Facebook has a nasty behavior of making unannounced changes then rolling them out gradually to customers to make sure that not every person obtains them at the same time. If you've seen something that's changed, please let me know in the remarks so I can examine and upgrade as necessary.
Facebook Avatar Size
Facebook profile Picture Dimension
The profile Picture is the smaller sized, square at the bottom that's to the left of the cover picture. It made use of to overlay the cover photo's bottom left edge, however in the current layout, it has been relocated to its own spot in the top left of the web page.
Your Page's profile picture:
Displays at 170x170 pixels on your Web page on computer systems, 128x128 pixels on smart devices and 36x36 pixels on many feature phones
For profile pictures and also cover images with your logo design or text, you could obtain a much better result using a PNG data.
Remember that your Web page's profile image will be cropped to a circular shape in ads as well as articles, but will certainly continue to be the exact same square shape when individuals visit your Web page.
Profile Image on the Timeline
The profile image that shows up beside your name on remarks and posts is the same picture yet is immediately scaled down to 40px by 40px.