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Exterior Paint for a 40×60 House

A 40×60 house with 9 ft walls has about 1,800 sq ft of wall — roughly 12 gallons for two coats. Subtract big windows below for a tighter number.

01 / YOUR MEASUREMENTSUpdate any value
Paint to buy
12 gal
Wall area
1,800 sq ft40×60 footprint, 9 ft walls (gross)
Paint (2 coats)
12.0 gallonsbuy 12 gal
Coverage
300 sq ft / gallonper coat, exterior surface
Paint cost (est.)
$540~$45/gal exterior

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

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