Automotive calculators

6 free automotive tools, each with the formula and step-by-step working.

• Brake Fluid Change Interval CalculatorWhen your brake fluid should be replaced.
• Lease Payment Breakdown CalculatorDepreciation and rent charge inside a car lease payment.
• MPG to L/100km CalculatorConvert between MPG and litres per 100km.
• Resale Value Depreciation CalculatorProject a car's resale value years from now.
• RPM to Speed Gear Ratio CalculatorVehicle speed from engine RPM, gear ratio and tire size.
• Tire Diameter Speedometer Error CalculatorHow a tire size change affects speedometer accuracy.

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