Painting tools
Painting calculators
Estimate wall area and paint volume from room dimensions, openings, coats, and product coverage.
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Painting calculators
Open a calculator to see its formula, assumptions, worked example, and related planning tools.
Planning guidance
Before you calculate
- Use the coverage on the exact paint label.
- Estimate primer separately.
- Porous, textured, or high-contrast surfaces may require more material.
Related project areas