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Easy to Use Auto Loan Calculator

Testing your loan terms with various online tools before you apply will give you a leg up on choosing your options once you're approved.

Get the lowest auto loan rates:

Capital One Auto Finance offers the lowest auto loan rates in the country, for people with all types of credit ratings.

Apply with Capital One whether you are buying a new or used car, or even if you are buying from an individual. Whatever your choice, you will save thousands.

Auto loans
Click here for your quote


If you have poor or no credit, click here to apply for special financing.

Tips for using this FREE calculator

This is the most convenient auto loan calculator we were able to find, because it's so simple, while remaining flexible. You can try out different payment, term, balance, and rate combinations to find the perfect loan package.

It also calculates your final payment total (that's a lot different from your loan principal!) and total interest bill. You even get an amortization schedule of your loan! Here's how it works:

Fill out three of the following:
• length of the loan, in months
• monthly payment amount
• principal amount
• interest rate
and use the calculator to solve for the fourth.

Click here to start

What you can enter and/or solve for:

Loan term. Enter the length of the loan you desire. Auto loans are usually 12, 24, 36, 48, 60, or 72 months in length. If you want to use the calculator to find out how long it will take you to own your car outright, fill in the other info and leave this blank.

Principal amount. Pretty straightforward. But, if you're buying new and want to include taxes and fees in your principal, leave yourself some leeway. If you want to use the calculator to see how large a loan you can afford, leave this space blank.

Monthly payment. Fill in a figure you could reasonably budget towards car payments each month. Don't enter your absolute maximum (or minimum), just a number that fits your budget well.

Interest rate. Unless you've already been approved for a loan, just guess here. Interest rates vary from just below 4% to around 8% right now, depending on your credit (excellent to fair) and whether you're buying a new or used vehicle. Keep in mind that a borrower with very poor credit may have to pay up to 20%.

Click here to use the calculator.

Some additional tips

This auto financing calculator is intended for estimation purposes. Don't budget too tightly, and be sure and leave some wiggle room on loan amount and interest rate, especially if you haven't already been approved.

If you're really not sure what numbers to plug in, consider applying before you use this and/or the lender's tools. (We know that's the opposite of what we said earlier - unfortunately, it works both ways.) That way you can nail down an interest rate and use the calculator to design your loan around it.

The lenders we partner with will allow you to adjust your loan term once you've been approved, (and they have interesting tools you can use as well). It's a fast (under an hour) and free process.

Capital One is the nation's leader in online vehicle funding and it's no wonder why. They have the lowest rates and a streamlined free application process. Apply now.