I've googled a resolution of height: 851px and width: 315px but it actually seems to be considerably larger than this.
The full image http://i.imgur.com/JZ1yp.jpg
I've googled a resolution of height: 851px and width: 315px but it actually seems to be considerably larger than this.
The full image http://i.imgur.com/JZ1yp.jpg
Best Answer
According to Facebook help it is indeed 851 × 315 (in pixels). The minimum size you can upload is 399 × 150 (but then it'll be stretched to fit).