How much paint for a 15x20 ceiling?
A 15x20 ft ceiling is a flat 300 sq ft. For two coats you need roughly 1.7 gallons.
For 2 coats
1.7 gallons (~2 cans)
300 sq ft of ceiling.
Calculate your ceiling paint
🖌️ Paint calculator
Paint needed for a 15x20 ceiling (chart)
| Coats | Paint needed | Cans |
|---|---|---|
| 1 coat | 0.9 gal | 1 |
| 2 coats | 1.7 gal | 2 |
| 3 coats | 2.6 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 15x20 ceiling?
- About 1.7 gallons for two coats (300 sq ft), or 0.9 gallons for one coat.