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how much total interest will i pay on my car loan

Use the free tool — Car Loan Check

How much interest will you actually pay?

Type the balance, rate, payment and months left from your loan statement or contract. In a few seconds you see the total interest left to pay over the life of the loan, using the standard amortization formula. The tool assumes a fixed rate and no extra fees, and rounds to whole dollars.

• Balance — how much you still owe.
• Rate — the annual percentage rate (APR) on your contract.
• Payment — your monthly payment.
• Months left — how many payments remain.
• The car's value is optional — you can skip it.

If a number is missing, the tool asks for it. It never guesses.

What paying a little extra can do

Adding even a small amount to your monthly payment can shorten the loan and lower the total interest you pay. The tool shows the exact effect of an extra payment on your own numbers — never on made-up figures that aren't yours.

Is refinancing worth a call?

Many working families in Florida pay 12% to 29% on a used-car loan from a buy-here-pay-here lot or a dealer. If your rate is above roughly 12% and your credit is fair or better — or you're current and more than 12 months into the loan — refinancing at a credit union is likely worth a call.

The tool can run a scenario: for example, if a credit union offered 9%, it shows what your new payment would be and what you would save over the life of the loan. It never claims to know what rate a lender will actually give you — that depends on your credit, the car's age and mileage, and the lender. Compare at least two real offers before deciding. See CFPB — Auto loans for how refinancing works.

If refinancing isn't likely to work — for example, you owe much more than the car is worth, your score is very low, or few months remain — paying a bit extra each month may still save real interest, and the tool shows that too.

If you're behind on payments

Call your lender before the due date and ask, in writing, for a deferment or extension. Do not stop paying or try to hide the car. In Florida, a lender may repossess a car after default without going to court — but it may not breach the peace while doing it (Fla. Stat. 679.609).

Before selling a repossessed car, the lender must send you notice, and you may still owe the difference between what the car sold for and what you owed, plus costs — this is called a deficiency (Fla. Stat. 679.611 · 679.614).

If you have GAP insurance, an extended warranty, or other add-ons, ask your lender in writing — these can often be cancelled for a prorated refund.

What to do next

The free tool reads your own numbers — balance, rate, payment, months left — straight from your statement or contract. Nothing you type is stored. It shows the interest you'll pay, what extra payments do, and whether refinancing is likely worth pursuing, in English or Spanish.

Optional paid extras are listed separately: a Refinance pack ($9 per loan) and a Credit unions & counselors option ($99 per month).

Car Loan Check does arithmetic on the numbers you type and can be wrong. It is not financial or legal advice and does not know what rate any lender will offer. Talk to a credit union or a nonprofit credit counselor — see NFCC — find a counselor — before you decide. For a repossession or deficiency claim, confirm the details with Florida legal aid.

Car Loan Check shows loan math and explains Florida law in plain language; it can be wrong, and it is not financial or legal advice. Rates in scenarios are illustrations, not offers. For repossession or a deficiency claim, contact Florida legal aid (floridalawhelp.org). Nothing you paste is stored.