How much paint for a 15x18 ceiling?
A 15x18 ft ceiling is a flat 270 sq ft. For two coats you need roughly 1.5 gallons.
For 2 coats
1.5 gallons (~2 cans)
270 sq ft of ceiling.
Calculate your ceiling paint
🖌️ Paint calculator
Paint needed for a 15x18 ceiling (chart)
| Coats | Paint needed | Cans |
|---|---|---|
| 1 coat | 0.8 gal | 1 |
| 2 coats | 1.5 gal | 2 |
| 3 coats | 2.3 gal | 3 |
Based on ~350 sq ft per gallon per coat. Use flat ceiling paint to hide imperfections.
Frequently asked questions
- How much paint for a 15x18 ceiling?
- About 1.5 gallons for two coats (270 sq ft), or 0.8 gallons for one coat.