Construction
Paint Calculator: Paint Needed
Calculate paint for walls and ceilings.
Buy the right amount of paint.
Calculation
- Wall area: (L+W)×2×H
- Subtract doors/windows
- ÷coverage (350-400sqft/gal)
- ×2 coats
Coverage
- Standard: 350-400sqft/gal
- Premium: 400-450sqft/gal
Tips
Buy 10% extra. Mix all cans for consistency.
Frequently Asked Questions
12x12 room?
~384sqft walls. 2 coats: 2-3 gallons.
Primer = coat?
No. 1 primer + 2 paint typical.
Ceiling?
L×W. 350-400sqft/gal. 1 coat.