Auto Loan Calculator.com
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Reviewed by Calculator Editorial Team
This auto loan calculator helps you determine your monthly payments, total interest paid, and total cost of borrowing for a vehicle loan. Simply enter the loan amount, interest rate, and loan term to get instant results.
How to Use This Auto Loan Calculator
Using this auto loan calculator is simple. Follow these steps:
- Enter the loan amount - the total amount you want to borrow for your vehicle.
- Enter the annual interest rate - the percentage your lender charges for borrowing the money.
- Select the loan term - the length of time in years you want to repay the loan.
- Click the Calculate button to see your monthly payment, total interest, and total cost.
The calculator will display your monthly payment, total interest paid over the life of the loan, and the total amount you'll pay back including principal and interest.
Auto Loan Formula
The auto loan calculator uses the standard loan payment formula to calculate your monthly payments:
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 calculates the fixed monthly payment required to fully amortize the loan over the specified term.
Worked Example
Let's calculate an example auto loan:
Example: You want to borrow $25,000 at an annual interest rate of 4.5% for 5 years.
- Principal (P) = $25,000
- Annual interest rate = 4.5% or 0.045
- Monthly interest rate (r) = 0.045 / 12 = 0.00375
- Number of payments (n) = 5 × 12 = 60
Using the formula:
Monthly Payment = $25,000 × (0.00375(1 + 0.00375)^60) / ((1 + 0.00375)^60 - 1)
Monthly Payment ≈ $454.24
Total interest paid = (Monthly Payment × 60) - Principal = ($454.24 × 60) - $25,000 = $1,646.40
Total cost = $25,000 + $1,646.40 = $26,646.40
Frequently Asked Questions
What is an auto loan?
An auto loan is a type of loan used to purchase a vehicle. It's typically secured by the vehicle itself and is repaid over a set period with interest.
How do auto loan interest rates work?
Auto loan interest rates are determined by your credit score, the loan amount, and market conditions. A higher credit score generally results in a lower interest rate.
What is the difference between APR and interest rate?
The interest rate is the cost of borrowing, while the APR (Annual Percentage Rate) includes additional fees and costs associated with the loan.