Auto Loan Calculator
Estimate the monthly payment on a car loan, including tax and trade-in.
Monthly payment
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Amount financed
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Total interest
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Total of payments
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Results update as you type.
About this calculator
An auto loan calculator turns the vehicle price, down payment, trade-in, sales tax and interest rate into a monthly car payment and the total interest you pay. Enter your numbers to see the true cost of financing a vehicle.
Frequently asked questions
Is sales tax added to the loan?
Usually yes — tax is charged on the price less any trade-in, then added to the amount financed. Turn on advanced options to include it.
Does a trade-in lower my payment?
Yes. A trade-in reduces both the taxable amount and the amount you need to finance, which lowers the monthly payment.
Results are estimates for general guidance only, not financial, medical or tax advice.