Monthly Payment Auto Loan Calculator
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Reviewed by Calculator Editorial Team
This monthly payment auto loan calculator helps you determine your car loan payments based on loan amount, interest rate, and loan term. Whether you're buying a new or used car, understanding your monthly payments is crucial for budgeting and financial planning.
How to Use This Calculator
Using our monthly payment auto loan calculator is simple:
- Enter the loan amount you're requesting (e.g., $25,000)
- Input your annual interest rate (e.g., 4.5%)
- Select the loan term in years (e.g., 5 years)
- Click "Calculate" to see your monthly payment
The calculator will display your estimated monthly payment, total interest paid over the loan term, and a breakdown of your loan payments over time.
Formula Used
The monthly payment for an auto loan is calculated using the standard loan payment formula:
Monthly Payment = P × [r(1 + r)n] / [(1 + r)n - 1]
Where:
- P = Principal loan amount
- r = Monthly interest rate (annual rate divided by 12)
- n = Number of payments (loan term in years × 12)
This formula accounts for the interest you'll pay over the life of the loan, providing an accurate estimate of your monthly obligations.
Worked Example
Let's calculate the monthly payment for a $25,000 loan at 4.5% annual interest over 5 years:
- Convert annual interest rate to monthly: 4.5% ÷ 12 = 0.375% or 0.00375
- Calculate number of payments: 5 years × 12 = 60 payments
- Apply the formula:
Monthly Payment = $25,000 × [0.00375(1 + 0.00375)60] / [(1 + 0.00375)60 - 1]
= $25,000 × [0.00375 × 1.2456] / [1.2456 - 1]
= $25,000 × [0.004644] / [0.2456]
= $25,000 × 0.01892 / 0.2456
= $25,000 × 0.07745
= $1,936.25
Your estimated monthly payment would be $1,936.25, with a total interest of $2,625 over the 5-year term.
FAQ
What is the difference between APR and interest rate?
APR (Annual Percentage Rate) is the cost of credit expressed as a yearly rate, while the interest rate is the actual percentage charged on your loan. APR includes additional fees and costs, making it a more accurate representation of the true cost of borrowing.
How does loan term affect my monthly payment?
A longer loan term means lower monthly payments but more total interest paid. A shorter term results in higher monthly payments but less total interest. Choose a term that fits your budget and financial goals.
Can I pay extra toward my loan?
Yes, making extra payments can reduce your loan term and total interest. Consider paying bi-weekly (every two weeks) instead of monthly to save money, as it's equivalent to an extra payment each year.