Running costs
Fuel, charging, insurance, depreciation and the real cost per kilometre of running a vehicle. 32 tools, including Car affordability calculator, Car depreciation calculator, Car lease calculator and Car CO₂ emissions calculator. All free, with no account and nothing to install.
Car affordability calculatorFind a sensible monthly and yearly car budget from your income.Car depreciation calculatorEstimate a car's residual value after several years.Car lease calculatorEstimate a monthly car lease payment from price, down payment and residual value.Car CO₂ emissions calculatorEstimate the CO₂ your car emits over a distance from its emission factor.Cost per mile calculatorCompute your total driving cost per mile and per kilometre.Engine Compression Ratio CalculatorStatic compression ratio from bore, stroke and chamber volume, with gasket and piston corrections.EV charging cost calculatorEstimate the cost of charging an electric car for a distance.EV charging time calculatorEstimate how long it takes to charge an electric vehicle between two battery levels.EV range calculatorEstimate an electric car's range from its battery capacity and consumption.EV vs Petrol Running Cost CalculatorCompare the annual running cost of an electric car against a petrol car.Fiscal horsepower calculatorEstimate a car's fiscal horsepower (CV) — French formula.Flight Time CalculatorEstimate flight duration from route distance and cruise speed, with taxi/climb/descent overhead.Fuel consumption calculatorWork out your fuel consumption per 100 km and its cost.Fuel cost calculatorEstimate the fuel needed and its cost for a trip from distance and consumption.Fuel range calculatorEstimate how far you can drive on a full tank from its size and fuel consumption.Fuel savings calculatorCompare the yearly fuel cost of two cars and see how much you'd save.Headlight Beam Distance CalculatorHow far your low beams reach from their aim angle and mounting height — and whether you outrun them.Lease vs Buy CalculatorCompare the total cost of leasing versus financing a car purchase.Luggage Allowance & Volumetric Weight GuideCompute linear dimensions, volumetric weight and chargeable weight for a bag.Mileage Reimbursement CalculatorWork out a travel reimbursement from distance driven and a rate per km.Miles per Gallon (MPG) CalculatorCalculate MPG, L/100 km and km/L, estimate trip fuel cost, and compare the running cost of two vehicles.MPG calculator (fuel economy)Compute miles per gallon and the equivalent L/100 km for your car.Out-the-door price calculatorThe true out-the-door price of a car is far more than the sticker: it folds in sales tax, dealer doc fees, title, registration and add-ons, minus your trade-in and rebate. Enter each line — and toggle whether your state credits sales tax on the trade-in — to see the taxable amount, the tax and the final cash price. Add a rate and term for an estimated monthly payment, and a dealer quote to check the gap.0–60 / Quarter Mile CalculatorEstimate 0–60 mph, quarter-mile ET and trap speed from power and weight using the Fox equation, with drivetrain and traction factors.Road trip time calculatorEstimate the total travel time of a road trip, including stops.RV Loan CalculatorPayment, total cost and depreciation outlook for a motorhome, campervan, travel trailer, fifth wheel or pop-up, over terms up to twenty years. Trade-in and sales tax are handled separately from the down payment, and the tool marks the year the loan balance finally falls below the vehicle's likely value.Stopping Distance CalculatorReaction plus braking distance for any speed, road condition and driver alertness.Trailer Tongue Weight CalculatorFind the ideal tongue weight (10–15% of the loaded trailer, 12.5% sweet spot) or check a measured value for a too-light / ideal / too-heavy verdict.Trip cost calculatorEstimate the fuel cost of a journey.Vehicle Towing Capacity CalculatorWork out your safe towing capacity from GCWR, curb weight, passengers and tongue weight, with a payload check, tongue-weight percentage and an OK/tight/over verdict.Vehicle Weight Distribution CalculatorSplit a vehicle's weight front/rear from a total and balance or from axle weights, get the CG position from the wheelbase and the left/right cross balance.Wheel circumference calculatorCompute a wheel's circumference from its diameter, for bikes and cycle computers.