Paint Quantity Calculator
Calculate the amount of paint needed based on the area to be painted.
m²
coats
m²/L
Result
12 L
Paint needed: 12 liters
Result in all units
Step-by-step solution
Liters = area × coats ÷ coverage
What Is Paint Calculation?
Paint calculation is the process of finding the number of liters needed based on the area of the surface to be painted and the paint's coverage. It prevents buying too little or too much.
How is it calculated?
How Is It Calculated?
Paint (liters) = (area × number of coats) ÷ coverage (m²/liter)
- Enter the net area to be painted (doors and windows deducted).
- Specify the number of coats and paint coverage (usually 10–14 m²/liter).
Frequently Asked Questions
How many coats of paint are needed?
Two coats are standard for most jobs; light over dark may require a primer + two coats.