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Calculate your monthly car payment with price, down payment, trade-in, sales tax, fees, APR and loan term, plus total interest.
What will my car payment be?
Everything happens on your device: nothing is uploaded to the internet.
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Auto loan calculator: what it is for
Enter the vehicle price, your down payment, trade-in value, sales tax rate, dealer fees, APR and term. The calculator works out the amount financed, the monthly payment, total interest and the total cost of the car.
Change the term to compare 36, 48, 60, 72 and 84-month loans.
How to use
- Enter the car price and sales tax.
- Enter down payment, trade-in and fees.
- Choose the APR and term to see the payment.
When to use it
- Setting a budget before visiting a dealer.
- Comparing dealer financing with a bank or credit union.
- Deciding between a shorter and a longer loan.
Frequently asked questions
Is sales tax included in the loan?
Usually yes: most buyers finance the sales tax and fees. In most states the tax is charged on the price minus your trade-in, which is how this calculator does it.
Is a longer loan a good idea?
A 72 or 84-month loan lowers the payment but costs much more interest, and you can owe more than the car is worth for years. 60 months or less is a common rule.
What is a good down payment?
A common guideline is 20% for a new car and 10% for a used one, which helps avoid being upside down on the loan.
Is it really free?
Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 tools are free and run right in your browser.