Paint for a 10×14 room

1.9 gallons (buy 2 gal)

for two coats on 333 sq ft of wall: 8 ft ceilings, one door, two windows, 350 sq ft per gallon.

Paint for a 10×14 room by ceiling height

Ceiling heightWall area1 coat2 coats
8 ft333 sq ft1 gal1.9 gal
9 ft381 sq ft1.1 gal2.2 gal
10 ft429 sq ft1.2 gal2.5 gal
12 ft525 sq ft1.5 gal3 gal

Wall area subtracts one door (21 sq ft) and two windows (15 sq ft each). Ceiling: 140 sq ft, 0.4 gal per coat.

How it’s worked out

  1. Perimeter: 2 × (14 + 10) = 48 ft.
  2. Wall area: 48 × 8 ft = 384 sq ft, minus 21 for the door and 30 for the windows = 333 sq ft.
  3. Two coats: 333 × 2 ÷ 350 = 1.9 gallons.

Change the numbers

Wall paint needed

1.9 gallons

Buy 2 gallons for 333 sq ft of wall, 2 coats.

Wall area (less doors and windows)333 sq ft
Wall paint1.9 gal: buy 2 gallons
Ceiling paint, 1 coat0.4 gal: buy 2 quarts
Primer, 1 coat0.95 gal

Other room sizes

Questions

How much paint do I need for a 10×14 room?
About 1.9 gallons for two coats on the walls of a 10×14 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 10×14 room?
384 sq ft of wall with 8 ft ceilings, or about 333 sq ft after one door and two windows.
How much does it cost to paint a 10×14 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 $280 to $840 here.

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