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Paint Gallons for a Room
Turn the wall area, the number of coats, and the coverage on the label into a gallon count.
Enter your numbers
Enter only the details needed for this task. Check them against the original source.
Your result
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Engine self-test
Running golden cases…
Source notes
- American Coatings Association — Paint and Coatings Resource Center
Coverage rates for paint vary by thickness, substrate, and application; thin acrylic layers cover roughly 100–150 sq ft per gallon.
Reviewed 2026-10-10. Thick impasto, absorbent surfaces, and thinned paint change coverage dramatically. This is a rough estimate.
What this App does not do
This App estimates gallons from the numbers you enter. It does not account for texture, absorbent surfaces, or thinned paint.
This free App has no paid features. It does not contact an agency, employer, bank, seller, provider, or other person.