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Wallpaper Calculator

Calculate the number of wallpaper rolls needed from room dimensions. Accurately deducts window and door areas for precise estimates.

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How to Use

Step 1

Enter Room Size

Enter Room Size

Enter room perimeter and ceiling height

Step 2

Enter Wallpaper Specs

Enter Wallpaper Specs

Enter roll width, length, and pattern repeat size

Step 3

View Amount

View Amount

Required number of rolls and area is displayed

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Features

Pattern Repeat Support

Auto-calculate waste from pattern repeat matching

Window/Door Exclusion

Calculate accurate needs by subtracting window and door areas

Multi-room Calculation

Calculate wallpaper needs for multiple rooms at once

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FAQ

The interval at which the wallpaper pattern repeats. Pattern matching increases waste.