Use our free wallpaper calculator to work out how many rolls you need for your room. Enter your wall measurements, then your wallpaper's roll width, roll length and pattern repeat, and the calculator allows for pattern matching and trimming so you can order the right quantity with confidence.
You'll find the roll size and pattern repeat on the wallpaper's label or product page. Planning to hang it yourself? Read our step-by-step guide on how to hang wallpaper.
Enter your measurements and wallpaper details below and the calculator will tell you the amount of wallpaper required.