TrowelMath

How much paint for a 14×16 room?

  • ENERGY STAR sizing · manufacturer bag yields
  • Updated Oct 23, 2026
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14×16 room: paint by wall height

Wall heightPaintable sq ftGallons (2 coats)Buy
8 ft4302.463
9 ft4902.803
10 ft5503.144

1 door and 2 windows deducted; 350 sq ft per gallon.

Worked example

Perimeter: 2 × (14 + 16) = 60 ft. With 8 ft walls: 480 sq ft, minus 20 (door) and 30 (two windows) = 430 sq ft. Two coats: 860 ÷ 350 = 2.46 gallons. The ceiling adds 224 sq ft per coat (about 1.28 gallons for two coats).

Frequently asked questions

How many gallons to paint a 14×16 room?

About 2.46 gallons for two coats on 8 ft walls (buy 3).