Choose the right tool
before you drive.
Fast, free calculators for buying, financing, owning and modifying a vehicle in the United States.
Choose a calculatorSelect your calculator.
Pick a topic below and open the dedicated calculator page for the figures you need.
Financing calculators
Payments, affordability, lease figures, payoff estimates and out-the-door buying costs.
Car payment
Compare a standard auto loan, balloon loan and cash purchase.
Open Car payment FinancingBalloon payment
Estimate monthly payments, final balloon and total cost.
Open Balloon payment FinancingAuto financing
Calculate dealer-finance payments, interest and total paid.
Open Auto financing FinancingAuto loan
Calculate auto-loan payments and total interest.
Open Auto loan Buying a carCar affordability
Estimate a sensible maximum vehicle price from your budget.
Open Car affordability Taxes & feesSales tax & fees
Estimate state and local sales tax, title and registration costs.
Open Sales tax & fees FinancingCar lease
Estimate a lease payment from price, residual and money factor.
Open Car lease FinancingLoan payoff
Estimate the remaining balance and potential vehicle equity.
Open Loan payoffRunning-cost calculators
Fuel spend, ownership cost, cost per mile and business-driving reimbursement.
Depreciation
Forecast resale value and value lost year by year.
Open Depreciation Running costsGas cost
Convert miles, MPG and price per gallon into trip or annual cost.
Open Gas cost OwnershipRunning costs
Combine gas, registration, insurance, maintenance and depreciation.
Open Running costs Running costsCost per mile
Convert all annual vehicle costs into cents per mile.
Open Cost per mile Business drivingMileage reimbursement
Calculate reimbursement using the current IRS business mileage rate.
Open Mileage reimbursementWheels, tires and performance
Tire sizing, wheel offset, payload, power-to-weight and unit conversions.
Tire size
Compare diameters, speedometer error and ride-height change.
Open Tire size Wheels & tiresWheel offset
Compare inner clearance and outer wheel position.
Open Wheel offset PerformancePower to weight
Calculate horsepower per ton and pounds per horsepower.
Open Power to weight Towing & haulingVehicle payload
Check payload capacity and remaining load against GVWR.
Open Vehicle payload PerformanceTorque & power
Convert hp, PS, kW, lb-ft, Nm and kg-m instantly.
Open Torque & powerElectric-vehicle calculators
Charging time, charging cost and EV-versus-gas ownership comparisons.
Fast estimates for US drivers.
CarCalcs USA helps shoppers, owners and enthusiasts estimate the numbers behind a vehicle decision: monthly payments, loan payoff, sales tax, gas cost, running cost, tire size, wheel offset, EV charging, payload and performance conversions.