Wallpaper calculator

How many rolls you need for a room

Room size

Length, m

Width, m

Height, m

Doors & windows

Door width, m

Door height, m

Doors count

Window width, m

Window height, m

Windows count

Wallpaper parameters

Roll width, m

Roll length, m

Pattern repeat, m

Pattern step

Rolls needed

with 10% reserve

Room perimeter:18,00 m

Wall area:48,60 m²

Doors/windows area:−4,14 m²

Net area:44,46 m²

Strips needed:34 pcs

Strips per roll:3 pcs

Minimum rolls:12 pcs

We recommend buying 1–2 extra rolls in case of defects or future repairs.

You might also need

Paint calculator →Tile calculator →Unit converter →

About Wallpaper calculator

Wallpaper calculator — How many rolls you need for a room. Home: Home and renovation calculations. Use our tools without registration or installing software. All calculations happen in your browser — your data is never sent to a server.