Calculate how much paint you need for any room.
The Paint Calculator figures out how many gallons or liters of paint you need for a room based on wall dimensions, the number of coats, and typical paint coverage rates. Enter your room's measurements to get a straightforward estimate — free, and calculated entirely in your browser before you head to the store.
Made for everyone. Typical uses:
Explore more in Calculators, read the guides and articles, or see how we test our tools.
Calculate how much gravel you need for landscaping projects.
Best for ordering the right amount of gravel for a new driveway without over- or under-buying
Calculate how much mulch you need for your garden or landscaping.
Best for ordering the right number of mulch bags for a flower bed without extra store trips
Convert between length, weight, volume, temperature, and more units.
Best for converting measurements for cooking and baking
Pick colors and get HEX, RGB, HSL values.
Best for converting a color between formats for different design tools
Generate accessible color palettes.
Best for building a coordinated color scheme for a website or app