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Auto & Travel Calculators
Gas mileage, fuel cost, car ownership, tire, driving and trip calculators. 34 free tools that run in your browser, no sign-up needed.
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Fuel Cost CalculatorWork out trip fuel costs and split them.Gas Mileage CalculatorMPG and L/100 km from odometer readings, plus trip cost.Tire Size CalculatorCompare two tire sizes: diameter, difference % and speedometer error.Horsepower & Torque CalculatorConvert torque and RPM to horsepower and estimate quarter-mile times.Driving Time CalculatorWork out driving time, breaks, total trip time and arrival time for a road trip.Jet Lag CalculatorTime difference, recovery days and a day-by-day sleep shift plan for jet lag.Road Trip Cost CalculatorEstimate fuel or charging, lodging, food and tolls for a road trip, split per person.Packing List GeneratorBuild a travel packing checklist for your trip type, length and weather.Travel Budget CalculatorPlan a trip budget by category, travelers and days, with a daily budget per person.Engine Displacement CalculatorTurn bore, stroke and cylinders into cc, liters and cubic inches, or solve bore or stroke.Boat Fuel CalculatorPlan boat fuel for a trip in nautical miles with the 1/3 reserve rule, range and endurance.EV vs Gas Car Cost CalculatorCompare yearly EV charging vs gas fuel costs, cost per mile, savings and CO₂ emissions.Quarter Mile CalculatorEstimate 1/4 mile ET and trap speed from horsepower and weight, or HP from a time slip.Car Lease vs Buy CalculatorCompare the total cost of leasing vs buying a car over any number of years.Car Total Cost of Ownership CalculatorTrue cost to own a car: depreciation, loan, fuel, insurance and repairs per mile and month.Commute Cost CalculatorDaily, monthly and yearly cost of driving or taking transit to work, plus hours spent.EV Range CalculatorEstimate real-world electric car range from battery, charge, speed, weather and heating.Flight Distance CalculatorGet the great-circle distance between two airports in miles, km and nautical miles.Mileage Reimbursement CalculatorTotal your business mileage reimbursement with tolls and parking, and export a mileage log.Stopping Distance CalculatorCalculate reaction, braking and total stopping distance from speed, road and slope.Towing Capacity CalculatorCheck payload, GVWR, GCWR and tongue weight to see how much your vehicle can safely tow.VIN DecoderValidate a 17-character VIN's check digit and decode model year, maker, country, plant and serial.0-60 Time CalculatorEstimate a car's 0-60 mph time from horsepower, weight and drivetrain.Event Tent Size CalculatorWhat size party or wedding tent you need for your guests, dance floor, buffet, bar and stage.Wheelchair Ramp CalculatorFind wheelchair ramp length, landings, angle and handrail needs from the rise and ADA slope.Carpool Gas Split CalculatorSplit carpool gas, tolls and parking fairly: cost per person per day, week and month.Carry-On Luggage Size CheckerCheck your bag's size and weight against 30 airlines' carry-on and personal item limits.Excavation CalculatorBank and loose cubic yards, soil weight, truck loads and haul cost for any dig.Flight Carbon Emissions CalculatorEstimate a flight's CO2e per passenger by route or distance, cabin class and round trip.Fuel Savings CalculatorCompare two cars' MPG to see the yearly and 5-year fuel cost difference and payback.Trailer Tongue Weight CalculatorRecommended trailer tongue weight range and a pass/fail check from your scale reading.Drive vs Fly CalculatorCompare the total cost and door-to-door time of driving versus flying for your trip.Travel Plug Adapter FinderPlug types, voltage and frequency for 150+ countries, and whether you need an adapter or converter.Wheel Offset CalculatorCompare old and new wheel width and offset: backspacing, inner clearance change and poke.
About Auto & Travel Calculators
Driving and travel calculators for fuel cost, gas mileage, tire sizes, horsepower, driving time and jet lag. Plan a road trip budget or compare two cars' running costs in a few seconds.
Most used here: Fuel Cost Calculator, Gas Mileage Calculator and Tire Size Calculator.