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Walls and finishes

Paint Calculator

Estimate gallons of paint for walls, ceilings, and trim with a practical waste allowance.

Enter your measurements

Project inputs

Estimate

Wall area

sq ft

Number of coats

coats

Paint coverage per gallon

sq ft

Extra for waste

%

Estimated amount0

Enter measurements to see the estimate.

Before you buy

Use this as a planning estimate.

Actual quantities vary with product coverage, cuts, surface conditions, layout, and local supplier measurements.

Add ceiling area separately if it will use a different color.
Coverage varies by surface texture, color change, and product.

Read our estimate methodology →

Keep planning

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HisNav Home Projects

Practical planning tools for everyday home projects.

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