Calculate exactly how many wallpaper rolls you need. Enter room size, roll specs, pattern repeat, and subtract doors and windows for a precise estimate.
Enter your room size and ceiling height
UK standard: 10m x 0.52m | US double roll: 13.7m x 0.685m
Add openings to subtract their area from total wall coverage
Number of wallpaper strips needed per wall
Room Preview
Total wall area
2(L+W) x H
Drop length
H + patternRepeat
Strips per roll
floor(rollLen / dropLen)
Rolls needed
ceil(stripsNeeded / stripsPerRoll)