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Paint Coverage Calculator

Calculate how much paint you need for walls, rooms, and surfaces.

Tips for Using This Calculator

• All calculations are performed instantly as you type

• Use the copy button to save your results

• Results are automatically shared in the URL for easy sharing

• This calculator works completely offline after loading

How much area does one gallon of paint cover?

Should I account for multiple coats?

Area Converter

Convert between square meters, acres, hectares, square feet, and other area units.

Last updated: 2/22/2026