Welcome to the Paintly Tool Center. We know that the difference between a DIY disaster and a professional finish is in the planning. Use our custom calculators below to take the guesswork out of your next project
Free Paint Tools & Calculators
Everything you need to plan your paint project — from coverage estimates to finish recommendations. All free, all instant.
⭐ Featured Tools
Matte? Eggshell? Satin? Semi-gloss? Most people guess — and end up repainting. Answer 5 quick questions about your room and we’ll tell you exactly which paint finish to use, and why. Built from real painter expertise, not guesswork.
1 of 5 — What room are you painting?
2 of 5 — How much moisture or humidity does this room get?
3 of 5 — How much traffic or wear does this wall take?
4 of 5 — Do you need to hide imperfections in the wall?
5 of 5 — What look are you going for?
Most homeowners have no idea how much money they leave on the table by hiring out. Enter your project details and see your exact savings, what your time is worth per hour, and how fast your tools pay for themselves. This one might change how you think about DIY forever.
🧮 Paint Calculators
Enter your room dimensions and paint type to calculate exactly how many gallons you need for your ceiling — including for 2-coat coverage and specialty colors.
Refinishing a dresser, chairs, or cabinets? Calculate how much paint you need and how long the project will take — including dry time between coats.
Planning fairy lights, string lights, or LED panels across your ceiling? Calculate exactly how many lights and strings you need for full coverage — plus total wattage.