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Wallpaper Calculator
Estimate wallpaper rolls using a drop-based method that accounts for roll length, roll width, room height, pattern repeat, and waste allowance.
Enter your dimensions
Current unit: meters. The calculation runs entirely in your browser.
Enter the room length.
Enter the room width.
Enter the wall height from floor to ceiling.
Default metric roll length is 10.05 m. Check your wallpaper label.
Default metric roll width is 0.53 m. Check your wallpaper label.
Optional. Enter 0 for plain wallpaper or no repeat matching.
Optional. Default planning allowance is 15% for trimming and matching.
How this estimate works
Enter your project dimensions, choose the unit system that matches your measurement, and calculate the estimate directly in your browser.