Wallpaper Calculator

Estimate wallpaper rolls for a room.

Room length (ft)

Room width (ft)

Wall height (ft)

Doors and windows (sq ft)

Usable coverage per roll (sq ft)

Waste (%)

How to use this calculator

Enter your measurements, product coverage and pricing where requested. Results update instantly as values change.

Rolls = adjusted wall area ÷ usable coverage per roll.

Pattern repeats can increase waste substantially, so use the manufacturer’s usable coverage figure.

Yes. Round purchase quantities up to whole packages, rolls, pieces or containers and verify coverage with the product manufacturer.