▰PROPERTY
Paint Calculator
Estimate paint needed from wall dimensions, openings, coats and product coverage.
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Formula
Net area = wall area − openings. Paint needed = net area × coats ÷ coverage. The result is also shown in litres using 1 US gallon ≈ 3.785 L.
Net area = wall area − openings. Paint needed = net area × coats ÷ coverage. The result is also shown in litres using 1 US gallon ≈ 3.785 L.
How it works
1
Enter the combined wall width and wall height.
2
Subtract the area of doors and windows.
3
Enter coats and the coverage printed on the paint container.
Important notes
Paint labels may quote coverage differently and surfaces can absorb more or less product than the stated value. Verify the manufacturer’s coverage before buying.