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Wallpaper Calculator – How Many Rolls?
Quick answer
If wall area is 80 m², coverage per roll is 5.3 m² and waste is 10%, the rolls required is 17.
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Rolls required
17
How many you'll need, rounded up so you don't come up short.
You enter Wall area 80 m², Coverage per roll 5.3 m², Waste 10%. You get Rolls required 17.
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See how the result changes
Each table re-runs this calculator with one value changed and everything else left as it is.
Rolls required by wall area
If wall area goes from 80 m² to 120 m², rolls required changes from 17 to 25 (+47%).
| Wall area | Rolls required |
|---|---|
| 40 m² | 9 |
| 60 m² | 13 |
| 80 m²start | 17 |
| 120 m² | 25 |
| 160 m² | 34 |
Rolls required by coverage per roll
If coverage per roll goes from 5.3 m² to 7.95 m², rolls required changes from 17 to 12 (−29%).
| Coverage per roll | Rolls required |
|---|---|
| 2.65 m² | 34 |
| 3.97 m² | 23 |
| 5.3 m²start | 17 |
| 7.95 m² | 12 |
| 10.6 m² | 9 |
Rolls required by waste
If waste goes from 10% to 15%, rolls required changes from 17 to 18 (+5.9%).
| Waste | Rolls required |
|---|---|
| 5% | 16 |
| 8% | 17 |
| 10%start | 17 |
| 15% | 18 |
| 20% | 19 |
HOME & CONSTRUCTION GUIDE
A quick guide to Wallpaper Rolls
Use it to get an accurate rolls required in seconds — free, with no sign-up.
Instant results
See your rolls required the moment you enter your numbers.
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How to Use the Wallpaper Rolls Calculator
1
Enter Wall area
Provide your wall area, in m².
2
Enter Coverage per roll
Provide your coverage per roll, in m².
3
Enter Waste
Provide your waste, in %.
4
View Your Results
Get your rolls required instantly, calculated on our server.
What is Wallpaper Rolls?
This home & construction tool works out your rolls required instantly, so you don't have to do the math by hand.
“One quick calculation, so you always know your rolls required before you decide.”
What Affects Your Rolls required
Your rolls required depends on the values below.
Wall area
Changing your wall area changes your rolls required.
Coverage per roll
Changing your coverage per roll changes your rolls required.
Waste
Changing your waste changes your rolls required. Typically between 0 and 30 %.
Example Result
Here's what you can expect from a wallpaper rolls calculation:
- Wall area
- 80 m²
- Coverage per roll
- 5.3 m²
- Waste
- 10 %
- Rolls required
- 17
Frequently Asked Questions
- How does wall area affect rolls required?
- If wall area goes from 80 m² to 120 m², rolls required changes from 17 to 25 (+47%).
- How does coverage per roll affect rolls required?
- If coverage per roll goes from 5.3 m² to 7.95 m², rolls required changes from 17 to 12 (−29%).
- How to calculate wallpaper rolls?
- Fill in wall area, coverage per roll and waste in the Wallpaper Calculator – How Many Rolls? above and your rolls required is calculated instantly. Change any value to see how the result responds.
- What does an example wallpaper rolls calculation look like?
- If wall area is 80 m², coverage per roll is 5.3 m² and waste is 10%, the rolls required is 17.
- Is this calculator free to use?
- Yes — every calculator on this site is completely free, with no sign-up or account required.
- How accurate is this calculator?
- It uses the standard formula and calculates on our server for every request, so results are precise for the values you enter.
- Is my data saved anywhere?
- No. Nothing you enter is stored or sent anywhere unless you choose to share a link with your values included.
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