Paint Calculator
Multiply the wall area by the number of coats, then divide by the coverage per gallon and round up.
Paint Calculator
Multiply the wall area by the number of coats, then divide by the coverage per gallon and round up.
Method and assumptions
Figur converts the measurements you enter into area, volume, or material quantity using standard geometry formulas.
- Surfaces and depths are uniform unless you divide the project into separate sections.
- Waste allowance, manufacturer coverage, and package sizes should be checked before purchasing.
- Site conditions and installation requirements can change the final quantity.
Sources and references
No external data source is required: this calculator uses standard geometry formulas and the measurements you enter.
Frequently asked questions
What coverage should I use?
Most paints cover 300–400 sq ft per gallon; check the label.
Should I round up?
Yes. The tool rounds up so you buy enough to finish the job.