Auto Loan Calculator

Reviewed by: David Chen, CFA
David Chen is a Certified Financial Analyst with over 10 years of experience in finance and risk management.

Use this calculator to estimate your monthly auto loan payment by entering your loan amount, interest rate, loan term, and calculating your monthly installment.

Auto Loan Calculator

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Auto Loan Formula

Monthly Payment = [P * r * (1 + r)^n] / [(1 + r)^n – 1]

Formula Source: Investopedia

Variables:

  • P: Loan Amount
  • r: Monthly Interest Rate (Annual Rate / 12)
  • n: Total Number of Payments (Loan Term * 12)

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What is an Auto Loan?

An auto loan is a financial arrangement in which a lender provides funds to a borrower to purchase a vehicle. The borrower agrees to repay the loan over a set period, typically with monthly payments, including interest.

How to Calculate an Auto Loan (Example)

  1. Step 1: Enter the loan amount, interest rate, and loan term.
  2. Step 2: Click “Calculate” to find your monthly payment.
  3. Step 3: Review your monthly payment and make adjustments if needed.

Frequently Asked Questions (FAQ)

How is my auto loan interest calculated? The interest is calculated based on the loan amount, interest rate, and the loan term.

Can I change my loan term after I’ve already applied? Most lenders allow adjustments before final approval, but changes after loan origination are uncommon.

What is the difference between a secured and unsecured auto loan? A secured loan is backed by the vehicle itself, while an unsecured loan is not, meaning higher interest rates.

What should I consider when taking out an auto loan? Loan amount, interest rate, term length, and your monthly payment capacity.