Paint calculator
Estimate wall area, paintable surface after doors and windows, and liters of paint needed based on coverage and coats. Switch between meters and feet.
How to use
1. Enter room length, width, and height.
2. Add the number of doors and windows to deduct.
3. Set paint coats and coverage (m² per liter).
4. Read wall area, paintable area, and estimated liters.
Example
Paint calculator
Estimate wall area, paintable surface after doors and windows, and liters of paint needed based on coverage and coats. Switch between meters and feet.
When to use
• When you need a quick estimate without spreadsheets.
• When you want privacy — calculations stay on your device.