Engineering & Construction
Paint Quantity Calculator
Estimate paint from the area, the coverage on the tin, the number of coats and a wastage percentage.
Free forever.
Litres = area × coats ÷ coverage, then wastage. Coverage is the figure from the tin, in square metres per litre.
Result
Press Calculate.
Result
Press Calculate.
How to use the Paint Quantity Calculator
- Enter the area to paint.
- Enter the coverage in square metres per litre, from the tin.
- Enter coats and wastage, then read the litres.
Questions
Where does coverage come from?
From the paint you are using. The starting value is 10 m² per litre, which you should replace.
Are windows deducted?
Only if you leave them out of the area you type.
This runs entirely in your browser. Nothing you type is sent to a server.

