Paint Calculator
How to Use?
- 1
Enter wall area
Enter total wall area (including all walls).
- 2
Subtract openings
Subtract area of doors and windows.
- 3
Enter coat details
Enter number of coats and coverage per litre (usually 10 m²/L).
- 4
View results
View litres needed and recommended to buy (rounded up).
Worked Examples
Example
Given:inputs
wallArea:50
doorsWindows:5
coats:2
coveragePerLitre:10
Result:calculated
paintableArea:45
litresNeeded:9
litresRounded:9
FAQs
1.What if my walls are not rectangular?
+Estimate the area by approximating to rectangles or use a digital measuring tool.
2.Should I include ceilings?
+If painting the ceiling, add its area separately.