Free tool

Wallpaper Calculator

Enter your wall measurements and find out exactly how many rolls to buy — no more mismatched batches.

Total wall width to cover (ft)

Wall height (ft)

Roll width (in)

Roll length (ft)

Pattern repeat (in, 0 = no pattern)

Add spare

You will need about

0 rolls

0 strips · 0 strips per roll

Patterned wallpaper wastes more per strip — always buy rolls from the same batch number.

Wallpaper looks simple until you are standing in the shop wondering how many rolls to buy. Enter your measurements below for an instant answer.