Total Payment Calculator Auto Loan
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Reviewed by Calculator Editorial Team
Calculating your total auto loan payment helps you understand the full cost of financing your vehicle. This calculator determines the total amount you'll pay over the life of your loan, including principal and interest.
How to Use This Calculator
Using our total payment calculator auto loan is simple:
- Enter the loan amount you're borrowing
- Input the annual interest rate (APR)
- Specify the loan term in years
- Click "Calculate" to see your total payment
The calculator will display your monthly payment and the total amount paid over the life of the loan. You can also view a breakdown of how much goes toward principal and interest over time.
Formula Explained
The calculation uses the standard auto loan payment formula:
Monthly Payment = P × (r(1 + r)^n) / ((1 + r)^n - 1)
Where:
- P = Principal loan amount
- r = Monthly interest rate (APR/12/100)
- n = Number of payments (loan term in years × 12)
The total payment is calculated by multiplying the monthly payment by the total number of payments.
Note: This calculator assumes fixed monthly payments and does not account for prepayment penalties or other loan features.
Worked Example
Let's calculate the total payment for a $25,000 loan at 4.5% APR over 5 years:
- Monthly interest rate = 4.5%/12 = 0.00375
- Number of payments = 5 × 12 = 60
- Monthly payment = $25,000 × (0.00375(1 + 0.00375)^60) / ((1 + 0.00375)^60 - 1) ≈ $462.87
- Total payment = $462.87 × 60 ≈ $27,772.20
This means you would pay approximately $27,772.20 over the life of the loan, with $2,772.20 going to interest.
Frequently Asked Questions
What is the difference between APR and interest rate?
APR (Annual Percentage Rate) is the total annual cost of borrowing, including all fees and interest. The interest rate is the portion of APR that goes directly to the lender. APR is always higher than the interest rate.
How does loan term affect my total payment?
A longer loan term means lower monthly payments but higher total interest paid. A shorter term means higher monthly payments but lower total interest. The optimal term depends on your financial situation and goals.
Can I pay off my loan early without penalty?
Some loans allow prepayment without penalty, while others charge fees. Check your loan agreement to understand the terms. Our calculator assumes no prepayment penalties.