Wallpaper Calculator

Determine the number of standard wallpaper rolls needed based on room perimeter, wall height, trim allowance, and pattern repeats to avoid under-buying.

wallpaper

wall-covering

interior-design

Common Room Sizes

Popular room dimensions for quick wallpaper estimation

1Room Dimensions & Wallpaper Specifications

Enter room size, wall height, and wallpaper roll details

Measurement Mode

Room Length (ft)

Room Width (ft)

Wall Height (ft)

Roll Width (in)

Roll Length (ft)

Pattern Repeat (in)

Trim Allowance (in)

How it works: The calculator determines strips needed based on room perimeter, then calculates how many strips each roll provides considering pattern repeats and trim allowances.

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