Auto Payment Calculator Navy Federal
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Reviewed by Calculator Editorial Team
This auto payment calculator helps you estimate your monthly payments when financing a car through Navy Federal Credit Union. Simply enter your loan amount, interest rate, and loan term to get an accurate estimate of your monthly payment.
How to Use This Calculator
Using the auto payment calculator is simple:
- Enter the loan amount you're considering in the "Loan Amount" field.
- Input the annual percentage rate (APR) offered by Navy Federal in the "Interest Rate" field.
- Select the loan term (in years) from the dropdown menu.
- Click the "Calculate" button to see your estimated monthly payment.
The calculator will display your monthly payment, total interest paid over the life of the loan, and the total amount paid (principal + interest).
Formula Used
The auto payment calculator uses the standard auto loan payment formula:
This formula calculates the fixed monthly payment required to pay off a loan with a fixed interest rate over a specified period.
Worked Example
Let's calculate the monthly payment for a $25,000 loan with a 4.5% APR over 5 years:
- Convert the annual rate to a monthly rate: 4.5% ÷ 12 = 0.375% or 0.00375
- Calculate the number of payments: 5 years × 12 = 60 payments
- Plug the values into the formula:
M = $25,000 [ 0.00375(1 + 0.00375)^60 ] / [ (1 + 0.00375)^60 - 1 ]
- The calculation results in a monthly payment of approximately $462.45
Using our calculator, you would enter $25,000 as the loan amount, 4.5 as the interest rate, and select 5 years from the loan term dropdown to get this result.
Frequently Asked Questions
What is the difference between APR and APY?
APR (Annual Percentage Rate) is the simple annual interest rate charged on a loan, while APY (Annual Percentage Yield) is the effective annual rate that takes into account compounding interest. APY is generally higher than APR because it reflects the effect of compounding.
How does the loan term affect my monthly payment?
A longer loan term will result in lower monthly payments but higher total interest paid over the life of the loan. A shorter loan term will result in higher monthly payments but lower total interest paid.
Can I use this calculator for refinancing?
Yes, you can use this calculator to estimate your new monthly payments if you're considering refinancing your auto loan. Simply enter your new loan terms to see the potential impact on your payments.