Free Wallpaper Roll & Wall Coverage Calculator Online
Calculate standard double wallpaper rolls needed based on room perimeter, ceiling height, window/door subtractions, and pattern repeat drop. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
How It Works
Enter Wall Dimensions
Input total wall length and wall height in feet or meters.
Enter Doors & Windows
Input dimensions to deduct non-papered wall openings.
Specify Pattern Repeat
Add pattern repeat distance (e.g., 20 inches) to accommodate vertical alignment waste.
View Roll Count
Get exact number of standard rolls to order.
Frequently Asked Questions
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