Auto Loan Calculator

Calculate monthly car payments, total interest, and loan costs.

Enter your values

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Results

Enter your values and press Calculate.

Why use this calculator

An auto loan calculator helps you budget for a car purchase and compare financing options before visiting the dealership.

How to use it

Enter the vehicle price, down payment, trade-in value, interest rate, and loan term to see your monthly payment.

The formula

Same amortization formula as standard loans: M = P × [r(1+r)^n] / [(1+r)^n - 1].

Worked examples

  • $35,000 car with $5,000 down at 5.9% for 5 years

    Monthly payment of $580.83

When people use it

  • Car shopping budget planning
  • Comparing dealer financing
  • Deciding between new and used

Tips

  • Shorter loan terms save thousands in interest
  • Get pre-approved before visiting dealerships
  • Total cost of ownership includes insurance, maintenance, and fuel

Questions people ask

How long should my car loan be?
3-5 years is ideal. Longer loans (6-7 years) have lower payments but much more interest, and you risk being upside-down on the loan.