Paint Calculator
Free paint calculator for rooms, walls, and ceilings. Estimate paint quantity using dimensions, coverage, and coats.
Plan paint quantities from dimensions, openings, coverage, and coats, then verify product-specific coverage.
Plan the project with a practical estimate
For walls and ceilings, enter realistic room dimensions, openings, coverage, and coats, then compare the estimate with the paint manufacturer's stated coverage.
Enter the requested project inputs, review the result, and compare it with actual product specifications, site conditions, scope, supplier requirements, or business rules before making a final purchase or pricing decision.
ATHENA tools are designed to make common planning calculations faster and easier to check. Use the result as a starting point and keep the final decision tied to the real project requirements.