How much paint do you need for a 10×12 ceiling?
A 10×12 ft ceiling is 120 sq ft. Two coats on smooth drywall take 0.69 gallons — buy 1 gallon of flat ceiling paint.
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Your results
Ceiling paint to buy1 gallon
Ceiling area120 sq ft
Exact paint (2 coats)0.69 gal
Coverage used350 sq ft per gallon

Ceiling paint for 10×12 by texture
| Ceiling | 1 coat | 2 coats |
|---|
| Smooth ceiling | 2 quarts | 1 gallon |
| Light texture | 2 quarts | 1 gallon |
| Popcorn / heavy texture | 1 gallon | 1 gallon + 1 quart |
The math
10 × 12 = 120 sq ft × 2 coats ÷ 350 = 0.69 gal
Common questions
How much paint for a 10x12 ceiling?
1 gallon for two coats on a smooth ceiling; 1 gallon + 1 quart for a popcorn ceiling.
Want the full method, tips and other sizes? See the ceiling paint calculator guide.
Last reviewed November 1, 2026. Results are estimates — confirm with your supplier.
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