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Paint Calculator – How Much Paint?
Quick answer
If paintable area is 150 m², coverage is 10 m²/L, coats are 2 and waste is 5%, the paint required is 31.5 L.
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0 m²500 m²
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m²/L
0 %25 %
%
Paint required
31.5L
Calculated directly from the values you entered above.
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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.
Paint required by paintable area
If paintable area goes from 150 m² to 225 m², paint required changes from 31.5 L to 47.25 L (+50%).
| Paintable area | Paint required |
|---|---|
| 75 m² | 15.75 L |
| 113 m² | 23.73 L |
| 150 m²start | 31.5 L |
| 225 m² | 47.25 L |
| 300 m² | 63 L |
Paint required by coverage
If coverage goes from 10 m²/L to 15 m²/L, paint required changes from 31.5 L to 21 L (−33%).
| Coverage | Paint required |
|---|---|
| 5 m²/L | 63 L |
| 7.5 m²/L | 42 L |
| 10 m²/Lstart | 31.5 L |
| 15 m²/L | 21 L |
| 20 m²/L | 15.75 L |
Paint required by coats
If coats goes from 2 to 3, paint required changes from 31.5 L to 47.25 L (+50%).
| Coats | Paint required |
|---|---|
| 1 | 15.75 L |
| 2start | 31.5 L |
| 3 | 47.25 L |
| 4 | 63 L |
HOME & CONSTRUCTION GUIDE
A quick guide to Paint Quantity
Use it to get an accurate paint required in seconds — free, with no sign-up.
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See your paint required the moment you enter your numbers.
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How to Use the Paint Quantity Calculator
1
Enter Paintable area
Provide your paintable area, in m².
2
Enter Coverage
Provide your coverage, in m²/L.
3
Enter Coats
Provide your coats.
4
View Your Results
Get your paint required instantly, calculated on our server.
What is Paint Quantity?
This home & construction tool works out your paint required instantly, so you don't have to do the math by hand.
“One quick calculation, so you always know your paint required before you decide.”
What Affects Your Paint required
Your paint required depends on the values below.
Paintable area
Changing your paintable area changes your paint required.
Coverage
Changing your coverage changes your paint required.
Coats
Changing your coats changes your paint required. Typically between 1 and 6.
Waste
Changing your waste changes your paint required. Typically between 0 and 25 %.
Example Result
Here's what you can expect from a paint quantity calculation:
- Paintable area
- 150 m²
- Coverage
- 10 m²/L
- Coats
- 2
- Waste
- 5 %
- Paint required
- 31.5 L
Frequently Asked Questions
- How does paintable area affect paint required?
- If paintable area goes from 150 m² to 225 m², paint required changes from 31.5 L to 47.25 L (+50%).
- How does coverage affect paint required?
- If coverage goes from 10 m²/L to 15 m²/L, paint required changes from 31.5 L to 21 L (−33%).
- How to calculate paint quantity?
- Fill in paintable area, coverage and coats in the Paint Calculator – How Much Paint? above and your paint required is calculated instantly. Change any value to see how the result responds.
- What does an example paint quantity calculation look like?
- If paintable area is 150 m², coverage is 10 m²/L, coats are 2 and waste is 5%, the paint required is 31.5 L.
- 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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