Enter your Vehicle Type, dimensions (Length, Width, Height), Number of Coats, Paint Coverage per Liter, and Estimated Waste/Loss Rate into the Car Paint Calculator to find your Total Surface Area, Paint Before Waste, and the final Total Paint Required so you never under-order (or over-spend) on your next paint job.
Total Paint Required
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Total Paint Required
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Total Surface Area
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Paint (Before Waste)
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Our calculator uses the industry standard formula: (Total Surface Area × Number of Coats) ÷ Coverage Rate × (1 + Waste Rate). This accounts for the actual paintable surface, multiple coats, and typical material loss during application.
This is the surface area (in square meters) that one liter of your specific paint can cover with a single coat. You can find this information on the paint can label or technical data sheet. It typically ranges from 8-20 m²/L depending on the paint type.
Waste rate accounts for paint lost during spraying, overspray, equipment cleaning, and application inefficiencies. Beginners typically waste 30%, while professionals waste around 10-20%. Including this ensures you buy enough paint.
A typical sedan requires 2-3 liters of paint for a complete repaint with 2-3 coats. Larger vehicles like SUVs and trucks need 3-4 liters. This includes primer, base coat, and clear coat if doing a full professional job.
Yes, for best results you'll need primer (1-2 coats), base color coat (2-3 coats), and clear coat (2-3 coats). Calculate each separately as they have different coverage rates. Our calculator works for any single paint type.
For small touch-ups, use the custom dimensions option and enter the actual area you're painting. For partial panels, estimate the surface area of just those sections rather than the whole vehicle.
This calculator provides a reliable estimate based on industry standards, but actual usage can vary based on spray gun settings, technique, surface texture, and environmental conditions. It's designed to help you purchase the right amount while avoiding waste.