I attempt to keep this as current as possible, yet Facebook has an awful behavior of making unannounced changes and afterwards rolling them out progressively to users so that not everybody gets them at the same time. If you've observed something that's transformed, please let me know in the comments so I can investigate and also upgrade as required.
Facebook Profile Photo Image Size
Facebook profile Photo Dimension
The profile Photo is the smaller sized, square near the bottom that's to the left of the cover picture. It made use of to overlay the cover picture's bottom left corner, yet in the most up to date format, it has actually been transferred to its own area in the top left of the web page.
Your Page's profile picture:
Display screens at 170x170 pixels on your Page on computers, 128x128 pixels on mobile phones and also 36x36 pixels on a lot of attribute phones
For profile images and cover images with your logo design or message, you may get a better result by using a PNG file.
Bear in mind that your Web page's profile photo will be chopped to a circular form in advertisements and blog posts, yet will continue to be the same square form when people visit your Page.
Profile Image on the Timeline
The profile photo that shows up next to your name on comments and also messages coincides image but is instantly reduced to 40px by 40px.