Wallpaper Calculator
How many rolls of wallpaper for a room.
Buy this many rolls
5
Double roll (27 in × 32 ft)
Wall area: 352 sq ft
Doors and windows: -51 sq ft
Wallpaper to apply: 301 sq ft
Usable per roll: 72 sq ft
Exact rolls needed: 4.18
Patterned papers waste more on matching. The estimate adds 15 percent on top of the rolled-up exact number to leave room for cuts at outlets and corners. Always buy from one batch number.
About
Enter room dimensions, doors, windows, and the roll size you're buying (single, double, or European). Pattern repeats add 15 percent waste. Always order one extra roll from the same batch number.
How to use
- Enter room dimensions.
- Pick a roll type.
- Add pattern repeat if applicable.
FAQ
Why are European rolls smaller?+
European rolls are typically 20.5 inches wide and 33 feet long, totaling about 56 sq ft. North American doubles are 27 inches by 32 feet (72 sq ft).