You can easily calculate how much wallpaper you’ll need for your next project by measuring the width and height of each wall your want to wallpapered. Multiply the W x H to get your total SQ FT. Here is a breakdown of the SQ FT coverage (per panel) for each size. Standard Panel Coverage 25″ W x 48″ L – 8.32 sq ft 25″ W x 60″ L – 10.40 sq ft 25″ W x 72″ L – 12.48 sq ft Large Panel Coverage 25″ W x 84″ L – 14.56 sq ft 25″ W x 96″ L – 16.64 sq ft X-Large Panel Coverage 25″ W x 108″ L – 18.72 sq ft 25″ W x 120″ L – 20.80 sq ft So, using the above coverage information. Let’s say you wanted to wallpaper an 8 ft W x 9 ft H (72 sq ft) accent wall. You would require 4 – 108″ (9ft) peel and stick wallpaper rolls. We’ve got you covered with a simple guide to quickly and easily calculate how much wallpaper you’ll need for your next project!