How it works
Three simple steps to get accurate paint estimates for your project
Measure your room
Just grab a tape measure and get the length, width, and height. Don't worry about being exact to the inch.
Tell us about your paint
Choose your paint type and how many coats you want. We'll handle the coverage math for you.
Get your answer
Instantly see exactly how many gallons to buy. Take the result to any paint store.
Choose your calculator
Pick the one that matches your project
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."
Why people trust Home Paint Calculator
Uses industry-standard coverage rates from major paint manufacturers
No hidden fees, no signup walls, no credit card required
We don't track you or sell your data. Calculate with confidence