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Paint Calculator
Enter room dimensions to estimate how much paint to buy.
Paint Calculator
Paint needed333 ft² × 2 coats · 7.2 litres
Gallon cans
2
Quarts (if under 1 gal)
8
Assumes 21 ft² per door and 15 ft² per window. Use a primer coat on new drywall or dark colours.
Planning estimates only. Building codes, loads and material specs vary — have a licensed engineer or contractor confirm quantities and safety requirements. Disclaimer
Frequently asked questions
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No. The calculation runs entirely in your browser — nothing you type is sent to a server.
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