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Paint Calculator
Estimate paint quantity needed in gallons, quarts, and liters for walls and ceilings
Paint Standard: Required gallons = $\frac{\text{Paintable Area} \times \text{Coats}}{\text{Coverage per Gallon}}$. Standard paint covers approximately 350 to 400 sq ft per gallon.
Surface Area & Coating Parameters
Calculation Results
⚠️ Paint coverage depends heavily on surface texture, porous drywall, and application method (roller vs sprayer). Always buy an extra quart or gallon for touch-ups.