If a lender uses the simple interest method, it’s easy to calculate loan interest. You will need your principal loan amount, ...

Doing the math and crunching the numbers when it comes to figuring out your loan's interest can be complicated. Here's how to calculate interest on a loan.

Just keep in mind that the nature of compound interest -- and a declining balance over time in the case of a loan -- will cause the per-diem interest to change as time goes on.

Learn how to calculate the Simple Interest in Excel either for a single entry or a range or entries, between two dates, using this forumula.

The TI-83 scientific calculator includes a finance-solving application that can do advanced calculations about the time value of money. It can also solve the basic equation for simple interest ...

The formula for calculating simple interest in a savings account is Interest = P * R * T. Multiply the account balance by the interest rate by the time period.

If you are not interested in using an interest calculator, then you can use a simple interest calculation to get a rough idea of how much interest your account will generate over time.

Considering a car loan to buy your next vehicle? Learn how to get a car loan and what to expect when you apply.

Discover what interest is, including how it's calculated, its impact on loans and savings accounts. We'll also explain how to navigate current interest rates.

This simple interest calculator will determine the amount of interest charged on a loan, fixed deposit or savings account over a specific period of time.

Once you learn about the magic of compounding interest, it's natural to want to put its power to work building your wealth. Here's what you need to know about which accounts earn compounding interest.

CNBC Select defines compound interest, how it works and ways to take advantage of it if you're looking for a new credit card or somewhere to stash your cash.