Paint for a 11×12 room
1.8 gallons (buy 2 gal)
for two coats on 317 sq ft of wall: 8 ft ceilings, one door, two windows, 350 sq ft per gallon.
Paint for a 11×12 room by ceiling height
| Ceiling height | Wall area | 1 coat | 2 coats |
|---|---|---|---|
| 8 ft | 317 sq ft | 0.9 gal | 1.8 gal |
| 9 ft | 363 sq ft | 1 gal | 2.1 gal |
| 10 ft | 409 sq ft | 1.2 gal | 2.3 gal |
| 12 ft | 501 sq ft | 1.4 gal | 2.9 gal |
Wall area subtracts one door (21 sq ft) and two windows (15 sq ft each). Ceiling: 132 sq ft, 0.38 gal per coat.
How it’s worked out
- Perimeter: 2 × (12 + 11) = 46 ft.
- Wall area: 46 × 8 ft = 368 sq ft, minus 21 for the door and 30 for the windows = 317 sq ft.
- Two coats: 317 × 2 ÷ 350 = 1.81 gallons.
Change the numbers
Other room sizes
- 11×11 room
- 11×13 room
- 10×12 room
- 12×12 room
- 10×11 room
- 11×14 room
- 9×12 room
- 12×13 room
- 9×11 room
- 11×15 room
- 8×12 room
- 12×14 room
Questions
- How much paint do I need for a 11×12 room?
- About 1.8 gallons for two coats on the walls of a 11×12 room with 8 ft ceilings, one door and two windows: buy 2 gal. The ceiling takes another 0.4 gallons per coat.
- How many square feet of wall is a 11×12 room?
- 368 sq ft of wall with 8 ft ceilings, or about 317 sq ft after one door and two windows.
- How much does it cost to paint a 11×12 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 $264 to $792 here.