Auto Loan Calculator - Calculate Your Car Payment

Calculate your monthly car payment, total interest, and the true cost of financing your vehicle. Compare loan terms to find the best deal.

Vehicle & Loan Details
Enter your vehicle price, down payment, and loan terms
0%25%
Loan Summary

Enter your loan details and click Calculate

What is an Auto Loan Calculator?

An auto loan calculator helps you estimate monthly car payments based on loan amount, interest rate, and term length. Understanding your auto loan payment before visiting a dealership puts you in a stronger negotiating position and helps you stay within budget.

Formula:

M = P × [r(1+r)^n] / [(1+r)^n - 1]

Where M = monthly payment, P = principal (loan amount), r = monthly interest rate, n = number of payments

How to Use This Auto Loan Calculator
  1. 1

    Enter the vehicle purchase price

  2. 2

    Subtract your down payment and trade-in value

  3. 3

    Input the interest rate (check your credit score for estimates)

  4. 4

    Choose your loan term (36, 48, 60, or 72 months)

  5. 5

    View your monthly payment and total interest cost

  6. 6

    Adjust terms to find the best balance of payment and total cost

Why Auto Loan Matters
  • A car is typically the second-largest purchase most people make
  • Longer loan terms mean lower payments but significantly more interest
  • Pre-approval gives you negotiating power at the dealership
  • Understanding total cost helps you avoid being 'upside down' on your loan
  • Comparing rates from banks, credit unions, and dealers can save thousands
Auto Loan Guidelines
5-7%
Excellent Credit
720+ score
7-10%
Good Credit
680-719 score
10-15%
Fair Credit
620-679 score
48-60 mo
Recommended Term
Balance payment/interest
20%
Down Payment
Avoid negative equity
15-20%
Total Car Costs
Of monthly income max
When to Use an Auto Loan Calculator
  • Shopping for a new or used vehicle
  • Comparing financing offers from dealers vs banks
  • Deciding on the optimal loan term
  • Budgeting for a car purchase
  • Evaluating lease vs buy decisions
  • Refinancing an existing auto loan
Common Mistakes to Avoid
Focusing only on monthly payment
Always consider total cost including interest over the loan term
Choosing the longest term for lowest payment
72-84 month loans cost thousands more in interest and risk negative equity
Not getting pre-approved before shopping
Get quotes from banks and credit unions before visiting dealerships
💡 Pro Tips
  • Credit unions often offer the best auto loan rates
  • A larger down payment reduces interest and prevents negative equity
  • Consider certified pre-owned for better value with warranty coverage
  • End-of-month and end-of-year often have better dealer incentives

Have questions about using this calculator? Check out our financial guides or contact us for help.

Get Your Personalized Analysis
Access detailed insights and recommendations based on your inputs

By submitting your email, you agree to our Privacy Policy, including that we store your email and results and may share them with advertising partners.

Frequently Asked Questions

How is my monthly car payment calculated?

Your monthly car payment is calculated using the loan amount (vehicle price minus down payment and trade-in value), interest rate, and loan term. The formula accounts for compound interest, ensuring each payment covers both principal and interest.

What is a good interest rate for an auto loan?

Auto loan rates vary based on credit score, loan term, and whether the car is new or used. As of 2024, excellent credit (750+) may qualify for 4-6% APR on new cars, while fair credit (650-699) might see 8-12% APR. Used car rates are typically 1-2% higher.

Should I choose a longer or shorter loan term?

Shorter terms (36-48 months) have higher monthly payments but lower total interest. Longer terms (60-84 months) reduce monthly payments but increase total cost significantly. Choose based on your budget while avoiding being 'underwater' on the loan.

How much should I put down on a car?

Financial experts recommend putting down at least 20% on a new car and 10% on a used car. A larger down payment reduces your loan amount, monthly payment, and total interest paid, while also helping you avoid negative equity.

What fees should I include in my auto loan calculation?

Include sales tax (varies by state, typically 5-10%), registration fees, documentation fees ($100-500), and any dealer add-ons. These can add 10-15% to the vehicle's sticker price and significantly impact your total loan amount.

Ready to save your results?