Free Loan Amortization Calculator

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AUTO LOAN CALCULATOR Updates instantly
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Total Interest Paid โ€”
Total Amount Paid โ€”
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Calculate monthly payments and total interest for auto loans, personal loans, home loans, student loans, and more. See your full amortization schedule instantly.

How Auto Loans Work

An auto loan is a secured instalment loan used to finance the purchase of a new or used vehicle. The lender (bank, credit union, or dealership's finance arm) pays the vehicle's price directly to the seller, and you repay the loan in fixed monthly instalments over a set term โ€” typically 24 to 84 months. The vehicle itself serves as collateral: if you stop making payments, the lender can repossess it.

Auto loan interest rates vary significantly based on your credit score, the loan term, the vehicle's age, and whether the car is new or used. In the United States, new car loan rates from banks and credit unions have ranged from approximately 5% to 10% in recent years depending on creditworthiness. In the UK, personal contract purchase (PCP) rates and hire purchase (HP) rates have typically been between 6% and 15% representative APR. In Australia, car loan comparison rates have generally ranged from 6% to 12%.

Total Interest Paid on Auto Loans

The total interest you pay on an auto loan can be substantial โ€” and it's an amount that many buyers overlook when focusing on the monthly payment. A $25,000 auto loan at 6.5% over 60 months costs approximately $4,334 in total interest. Extend the same loan to 84 months and the interest grows to approximately $6,136 โ€” you pay $1,800 more for the convenience of a lower monthly payment.

This is why financial advisors recommend the shortest loan term you can comfortably afford. The monthly payment will be higher, but your total cost will be significantly lower. Use this calculator to model different term lengths and see exactly how much each option costs in total interest over the life of the loan.

How to Pay Off Your Loan Faster

There are several effective strategies to reduce the total interest you pay and pay off your loan ahead of schedule:

  • Make extra principal payments โ€” Any amount you pay above the minimum monthly payment goes directly to reducing the principal. Even an extra $50 or $100 per month can shave months off a 5-year loan and save hundreds in interest.
  • Make bi-weekly payments โ€” Paying half your monthly payment every two weeks results in 26 half-payments per year โ€” equivalent to 13 full monthly payments instead of 12. This reduces the loan term without requiring a formal change to your loan agreement.
  • Round up payments โ€” If your monthly payment is $387, round it up to $400 or $450. The small difference adds up significantly over the life of the loan.
  • Refinance to a lower rate โ€” If interest rates have dropped or your credit score has improved since you took the loan, refinancing can reduce both your monthly payment and total interest paid.
  • Apply windfalls to principal โ€” Tax refunds, bonuses, and other one-time payments applied as lump-sum principal payments can dramatically accelerate payoff.

Personal Loans vs Auto Loans

A personal loan is unsecured โ€” there is no collateral. This makes them higher risk for lenders, which is why personal loan rates are typically higher than auto loan rates for the same borrower. However, personal loans offer more flexibility: you can use the funds for any purpose, and the lender does not have a claim against any specific asset if you default. Student loans, particularly federal student loans in the US, operate differently โ€” they often have government-set interest rates, income-based repayment options, and potential forgiveness programs not available on commercial loans.

Frequently Asked Questions

In the US, borrowers with excellent credit (720+) typically qualify for new car rates between 4% and 7%. Used car rates tend to be 1โ€“3% higher. Credit unions often offer lower rates than traditional banks. In the UK, strong-credit borrowers typically see representative APRs between 6% and 10% on PCP or HP deals. In Australia, comparison rates for well-qualified borrowers start around 5โ€“6%.

Financial advisors generally recommend a loan term no longer than 60 months (5 years) for a new vehicle and 36โ€“48 months for a used vehicle. Longer terms (72โ€“84 months) result in lower monthly payments but significantly higher total interest โ€” and you risk being "upside down" (owing more than the car is worth) for much of the loan period.

Yes. Select "Personal Loan" or "Student Loan" from the Loan Type dropdown and enter your loan amount, interest rate, and term. The payment and amortization calculations are identical โ€” the loan type label only changes the title of the results panel for clarity.

An amortization schedule shows a breakdown of every payment over the life of the loan โ€” how much goes to principal, how much goes to interest, and what balance remains. This calculator shows a month-by-month schedule so you can see exactly when your balance drops below key thresholds and how each payment is split between interest and principal.

Yes, for standard fixed-rate instalment business loans. Select "Other" from the loan type dropdown, enter your principal, rate, and term in months, and the calculator produces an accurate payment and amortization schedule. Business loans with variable rates, balloon payments, or interest-only periods require more specialised tools.

This calculator uses the standard fixed-rate amortization formula and is accurate to within a few cents of the actual figure for fixed-rate loans. It does not account for loan origination fees, prepayment penalties, or insurance products bundled into the loan. For your official loan cost, review the lender's Truth in Lending (US) or APR disclosure (UK/AU) document.

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