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.
Enter your loan details and click Calculate
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
- 1
Enter the vehicle purchase price
- 2
Subtract your down payment and trade-in value
- 3
Input the interest rate (check your credit score for estimates)
- 4
Choose your loan term (36, 48, 60, or 72 months)
- 5
View your monthly payment and total interest cost
- 6
Adjust terms to find the best balance of payment and total cost
- 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
- 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
- •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
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Try Calculator →Have questions about using this calculator? Check out our financial guides or contact us for help.
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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.