Free, honest calculators that tell you exactly how much paint to buy and what the job will cost — so you don't end up with three half-used cans or a wall that's one coat short.
How much paint do I need? Enter your room, doors, windows and coats to get the exact number of gallons.
Open calculator →What will it cost to paint a room? Get the material cost — and add a labor rate for the full job total.
Open calculator →How much primer for bare drywall, patches, or a big colour change — and when you can skip it entirely.
Open calculator →Work out how much stain or sealer your deck, fence or boards will drink — including a second coat.
Open calculator →How many rolls you need for a feature wall or a whole room, with pattern-repeat waste factored in.
Open calculator →Every calculator uses practical, real-world coverage numbers and rounds up the way you'd actually buy paint. No sign-up, no fluff — just a straight answer. More about Easy Paint →