Calculate Wallpaper Rolls Needed
Sum of all wall lengths
Standard: 53 cm
Standard: 10 m
0 for no pattern, or pattern repeat distance
How to Use
1
Measure Room
Calculate room perimeter (sum of all wall lengths) and wall height.
2
Enter Roll Size
Input wallpaper roll width and length (check product label).
3
Pattern Repeat
Enter pattern repeat distance if applicable (0 for plain wallpaper).
4
Calculate
Get number of rolls needed, plus recommended spare.
Wallpaper Calculator Guide
Standard Roll Sizes
- European: 53 cm × 10 m (5.3 m²)
- American: 20.5 in × 33 ft (~5.2 m²)
Tips
- Always buy 1-2 extra rolls for mistakes and future repairs
- Patterns with large repeats need more wallpaper
- Deduct area for large windows and doors
- Buy from same batch for color consistency