Paint for a 9×9 room
1.4 gallons (buy 1 gal + 2 qt)
for two coats on 237 sq ft of wall: 8 ft ceilings, one door, two windows, 350 sq ft per gallon.
Paint for a 9×9 room by ceiling height
| Ceiling height | Wall area | 1 coat | 2 coats |
|---|---|---|---|
| 8 ft | 237 sq ft | 0.7 gal | 1.4 gal |
| 9 ft | 273 sq ft | 0.8 gal | 1.6 gal |
| 10 ft | 309 sq ft | 0.9 gal | 1.8 gal |
| 12 ft | 381 sq ft | 1.1 gal | 2.2 gal |
Wall area subtracts one door (21 sq ft) and two windows (15 sq ft each). Ceiling: 81 sq ft, 0.23 gal per coat.
How it’s worked out
- Perimeter: 2 × (9 + 9) = 36 ft.
- Wall area: 36 × 8 ft = 288 sq ft, minus 21 for the door and 30 for the windows = 237 sq ft.
- Two coats: 237 × 2 ÷ 350 = 1.35 gallons.
Change the numbers
Other room sizes
- 8×9 room
- 9×10 room
- 9×11 room
- 9×12 room
- 9×13 room
- 9×14 room
- 9×15 room
- 9×16 room
- 9×18 room
- 9×20 room
- 9×24 room
- 8×10 room
Questions
- How much paint do I need for a 9×9 room?
- About 1.4 gallons for two coats on the walls of a 9×9 room with 8 ft ceilings, one door and two windows: buy 1 gal + 2 qt. The ceiling takes another 0.2 gallons per coat.
- How many square feet of wall is a 9×9 room?
- 288 sq ft of wall with 8 ft ceilings, or about 237 sq ft after one door and two windows.
- How much does it cost to paint a 9×9 room?
- Paint for the walls costs about $80 at $40 a gallon. Professional painters typically charge $2 to $6 per square foot of floor area, about $162 to $486 here.