Auto Loan Calculator Online
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Reviewed by Calculator Editorial Team
Use this auto loan calculator to determine your monthly payments, total interest, and loan breakdown. Simply enter your loan amount, interest rate, and loan term to get an instant calculation.
How to Use This Calculator
To use the auto loan calculator:
- Enter the loan amount you're requesting
- Input the annual interest rate (APR)
- Select the loan term in years
- Click "Calculate" to see your results
The calculator will display your monthly payment, total interest paid, and total amount paid over the life of the loan.
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 (APR/12/100)
- n = Number of payments (Loan Term × 12)
Total interest paid is calculated by subtracting the original loan amount from the total amount paid.
Worked Example
Let's calculate a loan with these parameters:
Example Calculation
Loan Amount: $25,000
Interest Rate: 5% APR
Loan Term: 5 years
Using the formula:
Monthly Payment = $25,000 × (0.004167(1 + 0.004167)^60) / ((1 + 0.004167)^60 - 1)
Monthly Payment ≈ $454.23
Total Interest Paid ≈ $2,727.80
Total Amount Paid ≈ $27,727.80
Loan Comparison Table
Compare different loan scenarios with this table:
| Loan Amount | Interest Rate | Term (Years) | Monthly Payment | Total Interest |
|---|---|---|---|---|
| $20,000 | 4.5% | 4 | $461.08 | $1,787.44 |
| $20,000 | 4.5% | 5 | $386.36 | $1,236.00 |
| $20,000 | 6.0% | 4 | $502.15 | $3,126.00 |
| $20,000 | 6.0% | 5 | $420.83 | $2,283.13 |
Frequently Asked Questions
What is an auto loan calculator?
An auto loan calculator is a tool that helps you estimate your monthly car payments, total interest, and loan costs based on the loan amount, interest rate, and term you select.
How accurate is this calculator?
This calculator provides an estimate based on the information you enter. Actual loan terms may vary depending on your lender's specific conditions and your creditworthiness.
What factors affect my auto loan payment?
The main factors that affect your auto loan payment are the loan amount, interest rate, and loan term. Other factors like down payment, trade-in value, and fees can also impact your total cost.