Don't get caught with mismatched dye lots. Our Wallpaper Calculator takes the guesswork out of purchasing rolls. By factoring in your wall dimensions and the specific pattern repeat of your chosen paper, you can ensure you have enough material to perfectly align every strip.
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Wallpaper Calculator
Estimate how many rolls of wallpaper you need.
Wall Dimensions
Roll Specifications
Pattern & Waste
Calculation Result
Total Rolls Needed
2Rolls
Total Square Footage
96.0 sq ft
Strips Required
7 strips
Wallpaper Tip
This calculator does not subtract for doors and windows to ensure you have enough paper for pattern matching. We always recommend ordering one spare roll in case of mistakes or future repairs.
Wallpaper & Border Estimator
Calculate the number of wallpaper rolls needed for any wall. Accounts for pattern repeats and roll sizes.
1
Wall Area
Enter the width and height of the wall(s) you are covering.
2
Roll Dimensions
Enter the width and length of each wallpaper roll.
3
Pattern Repeat
Input the pattern repeat distance (if any) to account for overlap.
Key Features
Pattern Matching
Input vertical pattern repeat to account for offset alignment.
Standard Roll Sizes
Presets for standard US and European roll dimensions.
Waste Factor
Includes a buffer for complex corner cuts and mistakes.
Frequently Asked Questions
We recommend subtracting 15 sq ft per window and 21 sq ft per door from your total area requirement.
Yes, always buy one extra roll to serve as a backup if a strip is damaged during installation.
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