There are tons of auto loan calculators online, and you'll need to find the right one for your specific situation. You can find online auto loan calculators on your car dealership's website. You can also find them on websites like Bankrate and Credit Karma. Before you start, it's important to note that every auto loan calculator is different. Some will ask you for more information than others. You'll want to choose one that asks the right questions and provides you with the information you need. This includes the loan amount, your desired loan term, your expected monthly income, and your credit score.