Car Loan Calculator

What is car loan calculator?

A car loan calculator estimates the monthly payment and total interest on an auto loan. Enter the amount you are financing (the car price minus any down payment or trade-in), the annual percentage rate, and the loan term in months, and the calculator applies the standard amortization formula to give the monthly payment, total amount paid, and total interest. Because auto loans are almost always simple-interest installment loans, the number matches what a dealer or bank would put on the contract. Use it before you walk into a dealership so you know what payment each price point implies, or to compare a 48-month versus 72-month term. Longer terms lower the monthly payment but raise total interest sharply, and they risk being upside-down on the loan if the car depreciates faster than you pay it down. Try the same loan at 3%, 6%, and 9% to see how rate sensitivity compares to term sensitivity. Numbers run in your browser.

How to use this calculator

1. Enter your loan amount.
2. Enter your interest rate.
3. Enter your loan term.
4. Click the "Calculate" button.
5. View your result instantly — the main result is displayed prominently at the top with a detailed breakdown below it.

When to use this calculator

• Budgeting a car payment before visiting a dealership
• Comparing 48, 60, and 72-month terms on monthly payment and total interest
• Seeing how the APR moves total cost more than the loan amount
• Deciding between dealer financing and a pre-approved bank loan
• Checking whether a larger down payment meaningfully cuts interest