How much paint do you need for 1,500 square feet?

Painting 1,500 square feet of wall takes 4 gallons + 2 quarts for one coat or 9 gallons for two coats, at a typical 350 sq ft per gallon.

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Check the can; 350–400 is typical.

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Your results

Wall paint to buy9 gallons
Paintable wall area1,500 sq ft
Exact wall paint (2 coats)8.57 gal
Primer, if needed (1 coat)4 gallons + 2 quarts
How much paint do you need for 1,500 square feet — diagram

Paint for 1,500 sq ft by coverage

Use 400 for smooth, previously painted walls and 250 for texture, bare drywall or masonry.

Coverage1 coat2 coats
400 sq ft/gal4 gallons7 gallons + 2 quarts
350 sq ft/gal4 gallons + 2 quarts9 gallons
300 sq ft/gal5 gallons10 gallons
250 sq ft/gal6 gallons12 gallons

At this size, 5-gallon buckets are usually the better buy and keep the tint consistent. Measure wall area as wall width × height, minus doors (about 21 sq ft) and windows (about 15 sq ft).

The math

1,500 sq ft × 2 coats ÷ 350 = 8.57 gallons

Common questions

How many gallons of paint for 1,500 square feet?

4 gallons + 2 quarts for one coat, 9 gallons for two coats at 350 sq ft per gallon.

Want the full method, tips and other sizes? See the paint calculator guide.

Last reviewed November 1, 2026. Results are estimates — confirm with your supplier.

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