Wallpaper Calculator
Wondering how many rolls of wallpaper you’ll need? Our easy-to-use wallpaper calculator helps you measure your walls, factor in pattern repeats, subtract windows and doors, and add extra for waste. Simply enter your dimensions to get an accurate estimate and avoid costly mistakes. Perfect for DIY decorators and professionals alike.
How to use the Calculator
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Measure your wall: Enter the total width and height of the wall you want to wallpaper.
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Pattern details: Input the pattern repeat distance (if any) and select the match type.
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Roll specifications: Enter the width and length of your wallpaper rolls.
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Account for openings: Subtract the width of windows, doors, and other openings.
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Set waste allowance: Choose your preferred waste percentage (typically 10-20%).
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Calculate: Get your exact roll requirements with detailed breakdown.
Enter the total width and height of the wall you want to wallpaper.
m
m
Input the pattern repeat distance (if any) and select the match type.
m
Enter the width and length of your wallpaper rolls.
cm
cm
Subtract the width of windows, doors, and other openings.
cm
m
We recommend purchasing at least 10% extra product to allow for errors, damages or obstacles
error
You will need...
~2.64m
Effective Drop Length
3
Waste factor
3
Drops per Roll
3
Drops needed
2
Rolls Needed
2-3
Total Rolls Needed
summary
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