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Exterior Paint for a 28×40 House

A 28×40 house with 9 ft walls has about 1,224 sq ft of wall — roughly 9 gallons for two coats. Subtract big windows below for a tighter number.

01 / YOUR MEASUREMENTSUpdate any value
Paint to buy
9 gal
Wall area
1,224 sq ft28×40 footprint, 9 ft walls (gross)
Paint (2 coats)
8.2 gallonsbuy 9 gal
Coverage
300 sq ft / gallonper coat, exterior surface
Paint cost (est.)
$405~$45/gal exterior

Planning estimate. Adjust allowances and sample prices for your supplier; tax, delivery, and labor are not included.

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