How to use this tool
Enter your values, run the tool, then review the result cards. Most tools update automatically when inputs change, so you can test several scenarios quickly.
Example inputs
- Wall area sq ft: 300
- Sq ft per roll: 30
- Waste %: 15
Results this page provides
- Rolls needed
How it works
Adds waste and divides by roll coverage.
Best use cases
Plan wallpaper purchases.
Limitations
Pattern repeat can significantly increase waste.