Free Car Loan & Auto Finance Calculators

Whether you are buying your first car or refinancing an existing loan, knowing your numbers upfront puts you in a stronger negotiating position. Our car loan calculators use the same standard amortization formula that banks and credit unions rely on, so the estimates you see here closely match what a lender will quote you.

Start with our car payment calculator to see what your monthly payment would look like based on price, down payment, interest rate, and term length. If you already have a loan, the car amortization calculator shows a full month-by-month breakdown of principal and interest, so you can see exactly when you will build equity.

Thinking about refinancing? Our car refinance calculator compares your current loan terms against a new rate to show how much you could save over the remaining term. For those comparing lenders, the APR calculator factors in fees so you can compare true borrowing costs, not just advertised rates.

We also offer specialized tools like the totaled car value calculator for insurance disputes, a trade-in calculator for estimating your current vehicle's worth, and state-specific tools for Texas, Florida, and North Carolina that account for local tax rates. According to the Federal Reserve, the average auto loan balance in the U.S. is over $23,000 — a good calculator can save you hundreds by helping you spot the best terms.