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Paint calculator

Gallons for a room by finish and coats, with primer.

Add up the length of every wall. A 12 × 12 ft room is 48 ft.

Finish
Coats

Paint to buy

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Enter the wall size

Paintable area
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Coverage
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Openings
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Primer, texture & cost PRO

Surface
Round to
Paint + primer cost
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Estimate. Coverage varies by brand, colour and surface, so check the rate on the can before you buy. Terms