About Home Paint Calculator
Home Paint Calculator helps homeowners and pros estimate paint needs quickly and accurately using standard coverage formulas.
30 sec
Average estimate time
2M+
Projects estimated
$240
Avg. saved per project
100%
Free to use
How it works
1
Measure your space
Enter room length, width, and wall height.
2
Choose paint details
Select paint type and number of coats.
3
Get your estimate
See gallons needed and move forward confidently.
Trusted by millions of homeowners
"Saved me from buying 3 extra gallons of paint! The calculator was spot-on and super easy to use. Wish I'd found this before my last project."
"I use this for quick estimates with clients. It's accurate and I love that I can send them the link. Way better than explaining math on the phone."
"Finally, a paint calculator that actually works! No ads, no signup, just instant answers. Saved me $180 on my bedroom project."
Ready to start?
Choose quick templates or use the full calculator.