Wallpaper Calculator

Calculate the number of wallpaper rolls needed for your room. Accounts for doors, windows, and pattern repeat waste.

Room Length (ft)

Room Width (ft)

Ceiling Height (ft)

Roll Width (in)

Roll Length (ft)

Pattern Repeat (in)

Number of Doors

Number of Windows

Accounts for pattern repeat waste so you order enough rolls. Enter your wallpaper's repeat measurement for accurate results.

Automatically subtracts standard door (21 sq ft) and window (15 sq ft) areas to avoid overbuying material.

Works with any roll width and length. Defaults to the standard US single roll (20.5" x 33') but supports European and metric rolls too.

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