Wallpaper Calculator

Estimating the exact amount of wallpaper you need for a project can be tricky. The amount of useable material can vary depending on the pattern repeat. Larger pattern repeats tend to create more waste, resulting in less useable material per roll. Our simple calculator takes pattern repeat into account to better estimate the amount of wallpaper needed for your next project.

How Much Wallpaper Do I Need?

Estimating the exact amount of wallpaper you need for a project can be tricky. The amount of useable material can vary depending on the pattern repeat. Larger pattern repeats tend to create more waste, resulting in less useable material per roll. Our simple calculator takes pattern repeat into account to better estimate the amount of wallpaper needed for your next project.

If you are planning to install wallpaper on walls with a more complex shape, we recommend consulting a professional wallpaper installer for help.

Measuring a Pattern Repeat
What's a Pattern Repeat?

This wallpaper calculator is for estimation purposes only. Calculator assumes a standard double roll size of 21-inches by 33-feet with a straight across match. Actual sizes are subject to variation depending on wallcovering manufacturer. ROMAN is not responsible for any overage or shortage based on the above calculator’s estimations. We recommend consulting a professional wallcovering installer before purchasing wallpaper.