Paint Calculator – How Much Paint Do I Need Free Online

🎨 Paint Calculator

Calculate the approximate amount of paint needed for your walls.

Wall Length (ft): Wall Height (ft): Number of Walls: Number of Coats: Doors & Windows (sq ft): Calculate Paint Needed Reset

Coverage is estimated at approximately 350 sq ft per gallon. Actual paint coverage may vary by paint type and surface.

Paint Calculator – How Much Paint Do I Need?

Painting your home is exciting, but buying the wrong amount of paint wastes money. Our Free Paint Calculator helps you calculate exactly how much paint you need in gallons and liters.

How to Use This Calculator?

1. Enter your total wall area in sq ft.
2. Enter number of coats (usually 2).
3. Enter doors & windows area to subtract.
4. Click Calculate Paint Needed – you will get exact gallons and liters.

Formula

Paint Needed = (Wall Area – Doors & Windows Area) x Number of Coats / 350
Because 1 gallon covers about 350 sq ft.

Why Use Our Calculator?

100% Free, Mobile Friendly, Accurate Estimate, Saves Money, No Signup Needed.

Save this tool – calcfollow.com will bring more useful calculators for you.