Wallpaper Calculator - Free, Instant, In Your Browser
Enter the wall area in square feet and the coverage per roll (30 sq ft is standard for a single US roll) to calculate rolls needed.
How to use Wallpaper Calculator
- 1Enter the required date(s) and details above.
- 2Click Calculate - Wallpaper Calculator runs instantly, right in your browser.
- 3Read your result below.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What's the formula?
Rolls needed = ceiling(area / coverage per roll).
Is my data sent to a server?
No - everything runs entirely in your browser with JavaScript. Nothing is uploaded.