2. Facebook Profile Dimensions
851 x 315px
180 x 180px
——————
160 x 160px
107px possibly hidden on page load.
23px from left edge. Extends 104px into the cover photo.
3. Other Facebook Dimensions
Image Type Dimensions (px)
Tab 111 x 74
Link 1200 x 630
Photo 1200 x 1200
Milestone Image 843 x 403
Milestone Video 843 x 440