Finance
Auto Loan Calculator
Figure out your monthly car payment, total interest, and how a different down payment or term changes the bottom line.
Guide
How to use the Auto Loan Calculator
The Auto Loan Calculator helps you make a quick estimate, compare scenarios, and understand the numbers behind the result. It is designed for fast planning, with enough context to make the answer useful instead of just a number.
- Enter the amounts, rates, and time period that match the scenario you want to model.
- Review the main result first, then scan the supporting totals to understand what drives it.
- Change one input at a time to compare payments, interest, growth, savings, or break-even points.
Method
How this calculator works
It estimates the financed amount and applies the fixed-rate installment loan formula to calculate payment and total interest.
This calculator is useful for comparing car loan terms before visiting a dealer or lender.
Because assumptions matter, try a few values that represent optimistic, typical, and conservative cases.
Financial results are estimates. Actual loan terms, taxes, fees, rates, and market returns can change the final outcome.
Example
Worked example
Say you buy a $32,000 car with $4,000 down and finance $28,000 at 6.5% for 48 months. The payment comes to about $664 a month, and you pay roughly $3,900 in interest over the four years. Putting $8,000 down instead drops the payment to about $569 and the total interest to roughly $3,300.
FAQ
Common questions
What is the monthly payment on a $30,000 car loan?
At 7% over 60 months, a $30,000 loan costs about $594 a month and roughly $5,600 in total interest. Stretching the same loan to 72 months drops the payment to about $512 but raises total interest to roughly $6,800.
Is a longer car loan term a good idea?
A longer term lowers the monthly payment but increases total interest and keeps you underwater on the car longer, since cars depreciate fastest in the first years. If the only way a car fits your budget is an 84-month loan, it is usually a sign to pick a cheaper car.
Does a trade-in reduce the sales tax I pay?
In most US states, sales tax applies to the price after subtracting your trade-in value, which makes trading in more valuable than it first looks. A few states, including California, tax the full purchase price regardless of trade-in.
What information do I need for the Auto Loan?
You usually need vehicle price, down payment, trade-in value, interest rate, loan term, taxes, and fees. You can change the inputs and recalculate as many times as needed.
How does the Auto Loan calculate the result?
It estimates the financed amount and applies the fixed-rate installment loan formula to calculate payment and total interest.
Are the results exact?
Financial results are estimates. Actual loan terms, taxes, fees, rates, and market returns can change the final outcome.
Related
Related calculators
Sources