Wallpaper Calculator

Estimate wallpaper rolls from wall dimensions, openings, and roll size.

Length (m)Width (m)Wall height (m)Openings (m²)Roll width (m)Roll length (m)Pattern repeat (m)Use 0 for plain or random-match wallpaper.

Link to this tool

Copy this HTML to cite this tool from your own site or article.

About Wallpaper Calculator

Wallpaper Calculator estimates wallpaper rolls from wall perimeter, height, openings, roll dimensions, and pattern repeat.

Enter total wall perimeter length and wall height in metres.
Enter the total opening area to subtract from the wall surface.
Enter roll width, roll length, and pattern repeat; use zero for plain or random-match wallpaper.
Click Calculate to estimate required wallpaper roll count.

Wall Run: 12m, Height: 2.4m, 1 Door, 1 Window, Standard Roll (10m x 0.53m) Result: 6 wallpaper rolls required.

How should I account for a wallpaper pattern repeat?

The calculator rounds each drop up to the next full pattern repeat, then calculates how many full drops fit on each roll.

What are standard UK wallpaper roll dimensions?

A standard wallpaper roll measures 0.53 metres wide by 10 metres long (covering approx 5.3m² gross area).

Decorating