Automotive Calculator

  • VinFast Charging Time Calculator
    Estimate how long it takes to charge any VinFast EV. Enter battery kWh, charger power, start/target SOC and efficiency to get charge time in hours and minutes.
  • VinFast VF8 Range Calculator
    Estimate your VinFast VF8 driving range from battery capacity, state of charge, and energy efficiency. Instant miles and kilometers result.
  • Electric vs Gas Car Cost Calculator
    Compare the cost per mile of an electric vs gas car. Enter gas price, MPG, electricity rate and EV efficiency to see your annual fuel savings.
  • Total Cost of Car Ownership Calculator
    Estimate the true 5-year total cost of owning a car: depreciation, fuel, insurance, maintenance, financing and taxes — with per-year and per-month figures.
  • Car Lease Payment Calculator
    Estimate your monthly car lease payment from cap cost, residual value, money factor and term. Breaks out depreciation, finance fee and tax (US method).
  • Car Sales Tax Calculator
    Estimate sales tax on a car purchase including trade-in credit and fees. See the tax due and your total out-the-door price instantly.
  • MPH to KPH Converter
    Convert miles per hour (mph) to kilometers per hour (km/h) instantly. Accurate vehicle speed conversion using the exact 1.609344 factor.
  • Tire Plus Sizing Calculator
    Compare two tire sizes for plus sizing. Calculate overall diameter, circumference, and the percentage difference to keep your speedometer accurate.
  • Coolant Mix Ratio Calculator
    Calculate how much antifreeze concentrate and water you need for any total coolant volume and desired concentration. Get exact liters and the mix ratio.
  • Towing Capacity Calculator
    Calculate your maximum safe trailer weight by subtracting your loaded truck weight from the GCWR. Free, fast towing capacity calculator.
  • Horsepower from Quarter-Mile Calculator
    Estimate engine horsepower from quarter-mile trap speed and vehicle weight using the Hale/Fox formula HP = weight × (mph/234)³. Free and instant.
  • Stopping Distance from Friction Calculator
    Calculate the stopping distance of a sliding object from its speed and friction coefficient using d = v²/(2·μ·g). Includes deceleration and stop time.
  • EV Tax Credit Savings Calculator (US)
    Estimate your US federal EV tax credit (up to $7,500) and net vehicle cost after MSRP and income (MAGI) eligibility caps under the IRA.
  • VinFast Battery Subscription Cost Calculator
    Estimate your monthly VinFast battery subscription cost including mileage overage fees. Enter your fee, included miles, miles driven, and overage rate.
  • Monthly Payment to Affordable Car Price Calculator
    Turn a desired monthly payment into the maximum car price you can afford. Enter payment, APR, term, down payment and trade-in to see loan amount and total interest.
  • Auto Loan Payment Including Sales Tax & Fees Calculator
    Calculate your monthly auto loan payment including sales tax, fees, down payment and trade-in. See principal financed, total interest and total cost.
  • Fuel Range Calculator
    Calculate how far you can drive on a tank of fuel. Multiply litres in the tank by your km per litre to get your estimated driving range.
  • Wheel Revolutions to Distance Calculator
    Convert wheel revolutions into distance travelled. Enter wheel diameter and number of turns to get distance in meters, km, miles, and feet.
  • Horsepower to Kilowatts (kW) Converter
    Convert horsepower (hp) to kilowatts (kW) instantly. Uses 1 hp = 0.7457 kW. Free, accurate power converter for engines, motors and machinery.
  • CC to HP Calculator
    Estimate engine horsepower from displacement in cc using the rule of thumb hp ≈ cc / 15. Adjust the divisor for your engine type and see kW too.
  • Fuel Cost Calculator (Cost per Mile vs Gallon)
    Calculate the total gas cost of any trip from distance, MPG, and price per gallon. See gallons needed and your cost per mile instantly.
  • VinFast VF7 Range Calculator
    Estimate the driving range of the VinFast VF7 EV from battery capacity, state of charge, and energy consumption per mile. Quick, accurate range tool.
  • VinFast VF6 Range Calculator
    Estimate the VinFast VF6 EV driving range from battery capacity, state of charge, and energy consumption per mile. Quick, accurate range estimate.
  • Power-to-Weight Ratio Calculator
    Calculate your vehicle's power-to-weight ratio in hp per pound, ton, or kilogram. Enter horsepower and weight to compare performance instantly.

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