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
Towing Fuel Cost CalculatorEstimate fuel cost for towing and unhitched miles with your measured MPG. Compare MPG scenarios and plan tank range while keeping a fuel reserve.Fuel Cost Calculator for a TripCalculate trip fuel cost, then split gas, tolls and parking by passenger and trip leg. Work out who owes whom from actual payments.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 and monthly fuel costs with separate prices for each car, plus fuel-only payback for an extra purchase cost.
Electric vehicle cost
PHEV Public Charging vs Gas CalculatorCompare PHEV public charging with gasoline for the same miles. Include charging losses, per-kWh or per-minute billing and session fees to find a break-even station rate.EV Charging Membership Break-Even CalculatorIs Electrify America Pass Plus worth it for your charging? Compare editable membership fees, station rates and monthly energy to find break-even and savings.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
Transmission Fluid Change Cost CalculatorBudget confirmed transmission drain-and-fill cycles, whole fluid containers, owned fluid, parts and labor. Compare an equivalent shop quote and optionally model ideal fluid mixing.Oil Change Due-Date CalculatorFind your next oil change by date or mileage using your owner-manual intervals. Compare normal and severe schedules, save service history and download a calendar reminder.Oil Change Cost CalculatorPlan an oil change with vehicle-specific capacity, oil already owned, whole-container buying, filter, tools and fees. Save your shopping list and compare a shop quote.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.
Lease and ownership budget
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