Wallpaper Calculator

Calculate exactly how many wallpaper rolls you need based on your room's wall area, roll dimensions, and pattern repeat length to avoid costly under-ordering.

Room Perimeter (ft) Wall Height (ft) Doors to exclude (standard 3x7) Windows to exclude (avg 3x4) Roll Width (inches — check label) Roll Length (feet — check label) Pattern Repeat (inches, 0 = no repeat)

rolls of wallpaper needed