Cars & Travel calculators
The sticker price is only the start of what a vehicle costs. These calculators work out the monthly payment on a car, boat, RV or motorcycle, compare leasing with buying, and show what gas, mileage and depreciation add up to over time.
They also cover the numbers owners look up: fuel economy, range on a tank, tire sizes and engine figures. Lenders and dealers may add fees that aren't modeled here, so confirm any figure you plan to act on before you sign.
See all 100 dances →
Most used
- Auto Loan CalculatorFind your monthly car payment, with your down payment, trade-in, tax and fees, and see how a shorter or longer loan changes it.
- Gas Cost CalculatorEstimate the gas cost of a trip from distance, fuel economy and fuel price, with round-trip, split-the-cost and mpg or L/100 km options.
- Boat Loan CalculatorFind your monthly boat payment, then add insurance, storage and maintenance to see what owning the boat really costs each year.
- RV Loan CalculatorFind your monthly RV payment, then add camping, storage and insurance to see the full yearly cost and what each night away really costs.
- Motorcycle Loan CalculatorFind your monthly motorcycle payment, then add insurance and gear to see the cash you need and what each riding month really costs.
- Car Refinance CalculatorSee your new car payment, your monthly and lifetime savings, and the month a refinance pays for its fees.
Car Loans & Buying
- Auto Loan CalculatorFind your monthly car payment, with your down payment, trade-in, tax and fees, and see how a shorter or longer loan changes it.
- Car Affordability CalculatorSee what car price you can afford from your monthly payment budget, loan rate and term, down payment, trade-in, sales tax and fees.
- Car Depreciation CalculatorEstimate what a car will be worth after a number of years, using depreciation rates you choose. Or find the yearly rate from a known value.
- Car Lease CalculatorFind your monthly car lease payment from the price, residual value, money factor or APR, term and sales tax, with the depreciation and finance fees shown.
- Car Refinance CalculatorSee your new car payment, your monthly and lifetime savings, and the month a refinance pays for its fees.
- Lease vs Buy Car CalculatorSee whether leasing a car or buying it with a loan, then selling it, costs less over the same years, using your own lease and loan terms.
Boat, RV & Motorcycle
- Boat Loan CalculatorFind your monthly boat payment, then add insurance, storage and maintenance to see what owning the boat really costs each year.
- Motorcycle Loan CalculatorFind your monthly motorcycle payment, then add insurance and gear to see the cash you need and what each riding month really costs.
- RV Loan CalculatorFind your monthly RV payment, then add camping, storage and insurance to see the full yearly cost and what each night away really costs.
Gas & Mileage
- Cost Per Mile CalculatorWork out what each mile really costs an owner-operator truck or a personal vehicle, splitting fixed and variable costs.
- EV vs Gas Cost CalculatorSee what an electric car and a gas car would each cost you to run every year, from your mileage, fuel economy, gas price and electricity rates.
- Fuel Tank Range CalculatorEstimate how far you can drive on the fuel left in your tank, from the gauge or the amount and your fuel economy. See if a trip will fit.
- Gas Cost CalculatorEstimate the gas cost of a trip from distance, fuel economy and fuel price, with round-trip, split-the-cost and mpg or L/100 km options.
- Mileage Reimbursement CalculatorAdd up what you're owed for business, volunteer or medical driving from miles per trip, number of trips and a per-mile rate you set.
- MPG CalculatorFind your real gas mileage from the distance you drove and the fuel you used. See it in mpg (US and UK), L/100 km and km/L.
Engine & Tires
- Compression Ratio CalculatorFind an engine's static compression ratio from the bore, stroke, combustion chamber, head gasket, deck clearance and piston dish or dome volume.
- Engine Displacement CalculatorFind engine displacement in cubic centimeters, liters and cubic inches from the bore, stroke and number of cylinders.
- Horsepower CalculatorWork out horsepower from torque and RPM, or estimate it from a car's weight and its quarter-mile time or trap speed.
- Tire Size CalculatorCompare two tire sizes by diameter, sidewall, width and revolutions per mile, and see how a new size changes your speedometer reading.