12 calculators

Automotive Calculators

Free automotive calculators for fuel cost, MPG, EV charging, tire size, leases, depreciation, towing and road-trip planning.

Featured Automotive tools

Start with high-use fuel, efficiency and tire-size calculations.

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All Automotive calculators

Fuel, trip, tire, lease, ownership and towing tools.

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Auto Lease Calculator

Estimate a vehicle lease payment from capitalized cost, residual value, money factor, term and sales tax.

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Auto Loan Calculator

Estimate an auto loan payment after down payment, trade-in and sales tax. Get instant results with formulas, examples and no sign-up.

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EV Charging Cost Calculator

Estimate wall energy and charging cost from battery size, starting charge, ending charge, charging efficiency and electricity rate.

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Fuel Economy Converter

Convert vehicle fuel economy between miles per gallon (U.S.) and liters per 100 kilometers. Get instant results with formulas and examples.

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Gas Cost Calculator

Estimate gallons of fuel and trip cost from distance, fuel economy and gas price.

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MPG Calculator

Calculate miles per gallon, gallons per 100 miles and liters per 100 kilometers from distance and fuel used.

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Road Trip Cost Calculator

Estimate total road-trip cost from mileage, MPG, fuel price, tolls, lodging, food and number of travelers.

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Speed Distance Time Calculator

Solve for speed, distance or travel time using the basic speed-distance-time relationships.

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Tire Size Calculator

Compare two metric tire sizes for diameter, circumference, revolutions per mile and speedometer difference.

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Towing Capacity Calculator

Estimate the weight-limited trailer capacity from GCWR, curb weight, passengers/cargo and the manufacturer’s rated towing limit.

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Trip Fuel Cost Calculator

Estimate fuel needed and total fuel cost for one or more trips from mileage, MPG and fuel price.

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Vehicle Depreciation Calculator

Estimate a vehicle’s future value and total depreciation using a declining annual depreciation rate.

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