Paint Coverage Calculator - Free, Instant, In Your Browser
Enter the wall area in square feet and the coverage per gallon (350 sq ft is a common average) to calculate gallons needed.
How to use Paint Coverage Calculator
- 1Enter the required date(s) and details above.
- 2Click Calculate - Paint Coverage Calculator runs instantly, right in your browser.
- 3Read your result below.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What's the formula?
Gallons needed = area / coverage per gallon, rounded up to the nearest tenth of a gallon.
Is my data sent to a server?
No - everything runs entirely in your browser with JavaScript. Nothing is uploaded.