What are the dimensions of my Page's profile picture?
Page profile pictures are square and display at 160x160 pixels on your Page. The photo you upload must be at least 180x180 pixels. We recommend uploading a square image. Rectangular images will be cropped to fit a square. Your Page's profile picture will also display next to your Page's name around Facebook to represent your Page.
You can be creative with how your Page's profile picture and cover photo go together. On your Page, the profile picture is located 16 pixels from the left side of your cover photo and 176 pixels from the top of your cover photo.