Paint calculator

How much paint a room actually takes: wall area minus the doors and windows, across your coats, into whole gallons and the cost. Coverage and price are yours to set.

Wall area

sq ft

Perimeter × ceiling height.Doors + windows

sq ft

Area to subtract.Coats

Coverage / gallon

sq ft

~350 on primed wall.

Price per gallon

Buy4 gal$160.00 at $40.00/gal

Paintable area700 sq ft

Across all coats1,400 sq ft

Exact gallons4.00

An estimate. Rough or porous surfaces, deep color changes, and sprayer overspray all drink more. The first coat on bare drywall covers less than the label says.

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