Paint for a 8×13 room
1.6 gallons (buy 2 gal)
for two coats on 285 sq ft of wall: 8 ft ceilings, one door, two windows, 350 sq ft per gallon.
Paint for a 8×13 room by ceiling height
| Ceiling height | Wall area | 1 coat | 2 coats |
|---|---|---|---|
| 8 ft | 285 sq ft | 0.8 gal | 1.6 gal |
| 9 ft | 327 sq ft | 0.9 gal | 1.9 gal |
| 10 ft | 369 sq ft | 1.1 gal | 2.1 gal |
| 12 ft | 453 sq ft | 1.3 gal | 2.6 gal |
Wall area subtracts one door (21 sq ft) and two windows (15 sq ft each). Ceiling: 104 sq ft, 0.3 gal per coat.
How it’s worked out
- Perimeter: 2 × (13 + 8) = 42 ft.
- Wall area: 42 × 8 ft = 336 sq ft, minus 21 for the door and 30 for the windows = 285 sq ft.
- Two coats: 285 × 2 ÷ 350 = 1.63 gallons.
Change the numbers
Other room sizes
- 8×12 room
- 8×14 room
- 9×13 room
- 8×11 room
- 8×15 room
- 8×10 room
- 8×16 room
- 10×13 room
- 8×9 room
- 11×13 room
- 8×8 room
- 8×18 room
Questions
- How much paint do I need for a 8×13 room?
- About 1.6 gallons for two coats on the walls of a 8×13 room with 8 ft ceilings, one door and two windows: buy 2 gal. The ceiling takes another 0.3 gallons per coat.
- How many square feet of wall is a 8×13 room?
- 336 sq ft of wall with 8 ft ceilings, or about 285 sq ft after one door and two windows.
- How much does it cost to paint a 8×13 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 $208 to $624 here.