MaterialPilot
Calculator

Paint Calculator

Estimate paint gallons for room walls with coats and waste.

Use decimals when needed. This estimate updates live and is safe to tweak before you buy materials.

Minimum 1 ft. Commas or periods work for decimals.

Minimum 1 ft. Commas or periods work for decimals.

Minimum 6 ft. Commas or periods work for decimals.

Minimum 1. Use whole numbers for the clearest estimate.

Minimum 200 sq ft/gal. Use whole numbers for the clearest estimate.

Minimum 0. Use whole numbers for the clearest estimate.

Estimate updates automatically as you type.

Estimated paint

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Buying guide

Paint Calculator FAQ

Do I include windows and doors?

For a quick estimate, use full wall area. For precise buying, subtract about 10-15% if you have large openings.

Should I round up paint?

Yes. Buy a little extra for touch-ups and color consistency.