Auto & Vehicle calculators
Car loans, leasing, fuel, depreciation, EV charging and ownership costs.
56 free tools
Most used
0-60 Time CalculatorEstimate 0-60 mph acceleration from horsepower, weight and drivetrainAuto Lease CalculatorCalculate a car lease payment from price, residual value and money factorAuto Loan CalculatorFind your monthly car payment, total interest and true cost of financingCar Affordability CalculatorSee the most car you can buy without stretching your budgetCar Sales Tax CalculatorEstimate vehicle sales tax, fees and your out-the-door priceEV Charging Cost CalculatorFind what it costs to charge your EV per mile, per month and per yearEV Charging Time CalculatorSee how long your EV takes to charge on Level 1, Level 2 or DC fastEV Range CalculatorEstimate real electric car range at your speed and outside temperatureGas Cost CalculatorWork out what you spend on gas every week, month and yearLease Buyout CalculatorFind the true cost to buy your leased car and whether it beats market valueMileage Reimbursement CalculatorCalculate mileage reimbursement or deduction at the IRS rateMPG CalculatorCalculate your real gas mileage from miles driven and fuel usedRideshare Driver Earnings CalculatorFind your real hourly pay driving for Uber, Lyft or DoorDash after costsTire Size CalculatorCompare two tire sizes for diameter, sidewall and speedometer errorTruck Payload Capacity CalculatorSee how much payload your truck has left after people, gear and tongue weightTwo-Stroke Oil Mix CalculatorKnow exactly how much 2-stroke oil to add for 50:1, 40:1, 32:1 and more
More auto & vehicle tools
Auto Refinance CalculatorSee your new car payment and how much refinancing really savesCar Depreciation CalculatorProject what your car will be worth year by yearCar Insurance CalculatorBallpark your yearly and monthly car insurance premiumCar Loan Early Payoff CalculatorSee how extra payments shorten your car loan and cut interestCar Maintenance Cost CalculatorBudget yearly and per-mile car maintenance from your own service intervalsCar Total Cost of Ownership CalculatorFind the true cost to own a car — per year, per month and per mileCash Back vs Low APR CalculatorRebate or 0% financing? See which dealer offer saves moreCoolant Mix Ratio CalculatorGet antifreeze and water amounts for any mix and see its freeze pointEngine Displacement CalculatorWork out engine size in cc, liters and cubic inches from bore and strokeEV vs Gas CalculatorCompare the real cost of an electric car and a gas car over the yearsGAP Insurance CalculatorSee how far your car loan runs ahead of the car’s value — and for how longHybrid Payback CalculatorSee how many years of fuel savings it takes to recover a hybrid premiumLease Mileage Overage CalculatorProject your end-of-lease miles and excess-mileage charge before turn-inLease vs Buy Car CalculatorCompare leasing and buying a car over the same number of yearsMotorcycle Loan CalculatorEstimate your monthly motorcycle payment and total interestMPG Comparison CalculatorCompare the yearly and lifetime fuel cost of two cars side by sideMPG to L/100km ConverterConvert fuel economy between US MPG, UK MPG, L/100km and km/LMPGe CalculatorConvert EV efficiency between MPGe, kWh/100 mi, mi/kWh and Wh/kmPower-to-Weight Ratio CalculatorWork out hp per tonne, lb per hp and kW per tonne for any vehicleQuarter Mile CalculatorEstimate 1/4-mile ET and trap speed from horsepower and weightRPM to MPH CalculatorFind road speed at any RPM — or cruising RPM at any speed — for your gearingStopping Distance CalculatorSee how far your car travels before it stops — reaction plus brakingTire Pressure Temperature CalculatorPredict how much tire pressure drops or rises as the temperature changesTire Tread Life CalculatorEstimate how many miles and months your tires have leftTowing Capacity CalculatorCheck GVWR, GCWR, payload and tow rating before you hitch upTrade-In Tax Savings CalculatorSee how much sales tax a trade-in saves and whether a private sale still winsTrailer Tongue Weight CalculatorCheck your tongue weight percentage against the safe 10–15% rangeWheel Offset and Backspacing CalculatorConvert offset to backspacing and see how a new wheel sits vs the old oneCarburetor CFM CalculatorSize a carb from displacement, max RPM and volumetric efficiencyCarpool Savings CalculatorSee how much money and CO2 you save by sharing your commuteCompression Ratio CalculatorWork out static compression from bore, stroke, chamber, gasket and pistonEV Battery Degradation CalculatorEstimate remaining EV battery capacity and range after years of drivingFuel Injector Size CalculatorSize injectors in lb/hr and cc/min from horsepower, BSFC and duty cycleMoney Factor CalculatorConvert a lease money factor to APR (and back) and see the rent chargeNegative Equity CalculatorSee how upside down your car loan is and what rolling it over costsPiston Speed CalculatorFind mean and peak piston speed from stroke, rod length and RPMRideshare vs Car Ownership CalculatorCompare the yearly cost of owning a car with Uber, Lyft and transitToll vs Free Route CalculatorDecide if a toll road is worth it once time and fuel are countedTurbo Boost Horsepower CalculatorEstimate the horsepower gain from adding or raising boost pressureWheel HP to Crank HP CalculatorTurn a chassis-dyno wheel horsepower figure into flywheel horsepower