Free vehicle tools

Calculate the cost before you drive or service

Use your own mileage, MPG, energy price and service inputs. Every result shows the formula and its assumptions.

Fuel and running cost

Fuel Cost CalculatorEstimate fuel cost for a trip from distance, MPG and gasoline price.Annual Fuel Cost CalculatorEstimate a year of fuel from annual miles, MPG and gasoline price.Cost per Mile CalculatorCalculate fuel and maintenance cost for each mile driven.MPG Comparison CalculatorCompare annual fuel use and cost for two vehicles.

Electric vehicle cost

EV vs Gas Cost CalculatorCompare annual EV charging cost with gasoline cost by state using residential electricity prices.Cost to Charge an EVEstimate what one full EV charge costs by battery size, state electricity price and charging loss.

Service and fitment

Oil Change Cost CalculatorEstimate oil change cost from oil quantity, filter price and labor.Tire Size CalculatorConvert width, aspect ratio and wheel diameter into tire dimensions.Tire Size ComparisonCompare two tire sizes and calculate diameter, circumference and speedometer error.VIN Decoder and Recall LookupDecode a 17-character VIN with free NHTSA data, then open the official recall check.

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