Free Paint Calculator
Calculate Paint Gallons Needed for Any Project
Perimeter × Height
Standard: 2 coats
Standard: 350-400 sq ft/gallon
📋 Paint Coverage Guide
- 1 Gallon covers ~350-400 sq ft
- Primer covers ~200-300 sq ft
- Textured walls reduce coverage 20-30%
❓ Paint Calculator FAQ
How much paint do I need for a room?
(Area × Coats) ÷ 350. Gallons = Ceil((Area × 2) ÷ 350). 12×12 room: ~1.5 gal.
How many sq ft per gallon of paint?
One gallon covers 350-400 sq ft per coat.
How many coats of paint do I need?
2 coats standard. Dark-to-light: 3. New drywall: primer + 2.
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