Paint Calculator
Compute liters, gallons and cans of paint. Accounts for openings, coats and thinning.
Room
Auto recalculation
Tip. For dark colors over light walls, apply primer first (1 coat).
Result
Liters needed
9.07
L · 2 coats
Net area
54.40
m² · base 60.00 m²
Gallons 18 L
0
+ 3 cans 3.6 L
Primer
3.89
L · 0 gallons + 2 cans
PVA Latex · yield 12 m²/L (undiluted).
Frequently Asked Questions
Sum the room perimeter and multiply by the ceiling height. Then subtract doors (~1.6 m²) and windows (~2.0 m²).
On white/light walls: 2 coats usually suffice. Strong or dark colors may need 3 coats with primer.
Yes. Up to 20% thinning on latex/acrylic increases yield by ~10%. Above that, coverage and durability suffer.
Gallons (18 L) are usually cheaper per liter. We automatically combine gallons and cans (3.6 L) with minimal waste.