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How Much Paint for a 10×10 Room?

A 10×10 room with standard 8 ft walls has about 320 sq ft of wall — roughly 2 gallons for two coats. Adjust ceiling height and coats below.

Paint to buy
2 gal
Wall area
320 sq ft10×10 room with 8 ft walls
Paint (2 coats)
1.8 gallonsbuy 2 gal — rounding covers doors & windows
Coverage
350 sq ft / gallonper coat, smooth interior surface
Paint cost (est.)
$80~$40/gal mid-grade
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