Yahoo Finance Auto Loan Calculator
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Reviewed by Calculator Editorial Team
Use our Yahoo Finance Auto Loan Calculator to estimate your monthly payments, total interest, and loan breakdown. This tool helps you understand your auto financing options before applying for a loan.
How to Use This Calculator
To calculate your auto loan payments:
- Enter the loan amount you're requesting
- Select your loan term in years
- Enter your estimated annual interest rate
- Click "Calculate" to see your results
The calculator will show you your monthly payment, total interest paid, and total amount paid over the life of the loan. You can also view a breakdown of your payments in the chart below the results.
Formula Explained
The auto loan calculator uses the standard loan payment formula:
Loan Payment Formula
M = P [ i(1 + i)^n ] / [ (1 + i)^n - 1 ]
Where:
- M = Monthly payment
- P = Principal loan amount
- i = Monthly interest rate (annual rate divided by 12)
- n = Number of payments (loan term in years multiplied by 12)
This formula calculates the fixed monthly payment required to fully amortize the loan over the specified term.
Worked Example
Let's calculate a loan with these parameters:
- Loan amount: $25,000
- Loan term: 5 years
- Annual interest rate: 4.5%
The monthly payment would be calculated as:
Calculation Steps
1. Convert annual rate to monthly: 4.5% ÷ 12 = 0.375% or 0.00375
2. Calculate number of payments: 5 years × 12 = 60 months
3. Apply the formula: M = 25000 [ 0.00375(1 + 0.00375)^60 ] / [ (1 + 0.00375)^60 - 1 ]
4. Result: Monthly payment = $452.34
For this example, you would pay $452.34 per month, with a total interest of $1,822.20 over the 5-year term.
| Term | Principal | Interest | Total Payment | Remaining Balance |
|---|---|---|---|---|
| 1 | $427.34 | $24.99 | $452.34 | $24,572.66 |
| 2 | $427.34 | $24.99 | $452.34 | $24,145.32 |
| 3 | $427.34 | $24.99 | $452.34 | $23,717.98 |
| ... | ... | ... | ... | ... |
| 60 | $452.34 | $0.00 | $452.34 | $0.00 |
Frequently Asked Questions
How accurate is this auto loan calculator?
This calculator provides an estimate based on the standard loan payment formula. Actual payments may vary slightly due to rounding or specific lender terms.
Can I use this calculator for refinancing?
Yes, you can use this calculator to estimate payments for both new loans and refinancing scenarios. Just enter your current loan details to compare options.
What factors affect my auto loan payment?
The primary factors are the loan amount, interest rate, and loan term. Other factors like down payment, credit score, and lender fees can also impact your final payment.
How do I get the lowest possible auto loan payment?
To get the lowest payment, aim for the lowest possible interest rate, the longest possible loan term, and the smallest possible loan amount.