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top guessing how much paint to buy. Paint Calculator gives you exact results in seconds.
Enter room dimensions → add doors and windows → pick your paint brand → get cans needed and total cost.
Supports Dulux, Tikkurila, Behr, Sherwin-Williams, Benjamin Moore, Marshall with pre-filled coverage rates.
✔ Wall & ceiling calculator
✔ Doors & windows deduction
✔ Cost estimator with waste factor
✔ Calculation history
✔ Metric & Imperial (m²/L and ft²/gal)
✔ Works fully offline
✔ Free on Android
Paint Calculator: Room & WallStop guessing how much paint to buy.