Wallpaper Calculator
Calculate wallpaper rolls needed from wall dimensions minus doors and windows.
🔄 Updated October 13, 2026
About the Wallpaper Calculator
Planning a build or renovation? The Wallpaper Calculator gives fast, reliable planning estimates. Calculate wallpaper rolls needed from wall dimensions minus doors and windows. Figures include a small waste allowance where relevant. For bigger projects, compare with the Concrete Calculator and Gravel Calculator.
How to use this calculator
- Enter your numbers in the fields above.
- Results update instantly — no button to press, no page reload.
- Adjust the inputs to compare scenarios with the Wallpaper Calculator.
Keep exploring: Concrete Calculator · Paint Calculator · Tile Calculator · Brick Calculator
Frequently asked questions
How much does one roll cover?
Enter your roll coverage — often around 56 sq ft for a double roll.
Should I buy extra?
Yes — one extra roll covers pattern matching and mistakes.
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