Wallpaper Calculator
Enter your wall and your roll. The number of rolls to order appears as you type.
How the Count Works
Four steps, in the order an installer thinks about them.
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Strip Height
Wall height plus 4 in to trim, rounded up to a full pattern repeat so every strip starts on the design.
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Strips per Roll
How many whole strips fit in one roll. What is left at the end of the roll is waste.
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Strips for the Walls
Total width of the walls divided by the width of the roll, rounded up.
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Rolls to Order
Strips needed divided by strips per roll, rounded up. Then one more:
We recommend that you purchase an additional roll.
Three Things to Keep in Mind
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Accurate Measurements
Ensure you measure your walls meticulously to determine the necessary quantity of wallpaper, factoring in doors and windows which can reduce the overall requirement.
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Pattern Consideration
For wallpapers with significant pattern repeats, it’s advisable to purchase additional rolls, facilitating pattern matching and covering any unforeseen challenges.
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Extra Rolls
Ordering a bit more wallpaper than your calculations suggest is a wise strategy, catering to potential installation errors and future repairs, especially for unique or discontinued patterns.
From our guide Wallpaper Wisdom: Mastering Measurements, Calculations, and the Purchase Process.
From our FAQ
How can I measure a wall correctly?
You will first need a measuring tape. Measure the width of the wall (you may need a second person to help you hold it). Then measure the height from floor to ceiling. Send us those measurements and we will be happy to send over your estimate.
How much wallpaper will I need for my project?
Most wallpaper rolls are about 21 inches wide and 33 feet long, about 56 square feet per roll. That is about 3 drops of wallpaper on a standard-sized wall. As a guide, a standard living room would require approximately 7 rolls. However, there are a few things like matching and pattern repeats to be considered. We recommend that you purchase an additional roll: it allows for any mistakes, and gives you some left over in case you need it in the future.
How many rolls of wallpaper will I need?
The quantity depends on the total width and height of the area, the width of the paper, and the repeat of the pattern if any. With that information we will gladly calculate how many rolls your project needs.
What is a pattern repeat, and what is a random match?
The repeat is how many inches before the design repeats itself: anywhere from one inch to a couple of feet. The bigger the repeat, the more wallpaper you need. A random match means the wallpaper has no pattern and can be installed without worrying about matching at all, which makes it the most economical option.
Ready to Transform Your Space?
Tell us about the space. A detailed quote comes back within approx. 48 hours.
