Car Paint Calculator

Estimate how much automotive paint you may need for a full vehicle or individual panels. Choose the vehicle type, part to paint, paint system, spray equipment, climate and other project assumptions to get an estimated amount of primer, color coat, clear coat and material cost.

How much paint do I need?

The calculator estimates paint from the selected surface area, coverage assumptions, number of coats, spray-gun transfer efficiency, climate and waste factor.

What can you calculate?

Estimate a full-car repaint, hood, doors, fenders, bumpers, roof, quarter panels or trunk/deck lid, with custom area options when you know the surface area.

Paint Calculator

Estimate paint quantity and material cost from your project specifications.
Applied after theoretical coverage and spray transfer efficiency.
Transfer efficiency is used to estimate application loss.
Temperature conditions can affect evaporation, drying and application loss.
📐 Surface Area
⚙️ Advanced assumptions — customize coverage, coats & material prices
These are editable planning assumptions. Actual coverage, coats, mixing ratios and ready-to-spray yield vary by product. Check the exact manufacturer's technical data sheet before purchasing.
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💲 Your Results

Based on your specifications
Total Paint Needed
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Theoretical coverage + transfer loss + waste factor
Estimated Material Cost
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Materials only; labor, tax and shop fees not included.
Surface Area
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Paint System
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Total Gallons
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Total Quarts
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Paint Breakdown

Important: paint coverage is product-specific. This calculator is an estimate for planning purposes and should not be treated as a manufacturer's specification or a professional quote.
Before buying paint, check the technical data sheet for your exact product, including recommended coats, coverage, mixing ratio and ready-to-spray yield.

Additional Considerations

💡 Pro Tips

  • Consider keeping extra material for touch-ups and future repairs.
  • Surface preparation can significantly affect final coverage.
  • Spray equipment and technique affect transfer efficiency and overspray.
  • Temperature and humidity can affect evaporation, application and drying time.

🧰 Additional Materials

  • Reducer/thinner — use the exact product's recommended mixing ratio.
  • Hardener/catalyst — where required by the paint system.
  • Sandpaper and surface-preparation materials.
  • Masking tape, paper/plastic sheeting and cleaning supplies.
  • Appropriate respirator, gloves, eye protection and protective clothing.

Car Paint Calculator FAQ

How much paint does it take to paint a car?

The amount varies with vehicle size, paint system, number of coats, coverage, transfer efficiency and overspray. Use the calculator above for a project-specific estimate.

How many gallons of paint do I need for a car?

There is no single amount that fits every vehicle. A full repaint can require different quantities of primer, color coat and clear coat depending on the selected system and application conditions.

Does spray gun type change the estimate?

Yes. Different application equipment can have different transfer efficiencies, so the calculator uses the selected equipment as an application-loss assumption.

Are these paint estimates exact?

No. They are planning estimates. Always check the technical data sheet for the exact paint product for coverage, recommended coats, mixing ratio and ready-to-spray yield.