Exterior Paint for a 30×50 House
A 30×50 house with 9 ft walls has about 1,440 sq ft of wall — roughly 10 gallons for two coats. Subtract big windows below for a tighter number.
Paint to buy
10 gal
Wall area
1,440 sq ft30×50 footprint, 9 ft walls (gross)
Paint (2 coats)
9.6 gallonsbuy 10 gal
Coverage
300 sq ft / gallonper coat, exterior surface
Paint cost (est.)
$450~$45/gal exterior
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