How it works
Wall area is the total wall length times height; multiply by the number of coats, then divide by a gallon's coverage (about 350 sq ft).
Example
35 ft of wall at 10 ft high, 2 coats, needs about 2 gallons.
Paint Calculator
Estimate how much paint to buy for a room — in gallons.
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Frequently asked questions
- Should I subtract doors and windows?
- For a rough estimate you don't need to — the extra covers touch-ups. For big openings, subtract their area from the wall total.