WeVividWeVividCalculate how many wallpaper rolls you need from your wall width, height and roll size, with pattern repeat.
Includes 10 cm trimming per strip. Subtract door and window gaps only if they are wider than a strip.
The vertical distance after which a pattern repeats. Matching it wastes some paper, so enter it for accuracy.
Often 53 cm wide and 10 m long.
Only subtract very wide ones; narrow gaps rarely save a whole strip.
No. Everything is worked out in your browser and nothing you type is sent to a server.