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.

Curious about how the interest on your loan works? Learn how interest rates are determined and how to calculate interest on a loan yourself.

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.

How to Calculate Simple Interest. Simple interest is used when a company borrows money for a loan. Usually this amount will be on a monthly basis.

To calculate per-diem interest, take the interest rate (be sure to express it as a decimal, so 10% becomes 0.10) and divide by 365 to determine the daily interest rate.

Your student loan interest reveals just how much you’re really paying for that college education. Here’s a step-by-step guide on how to calculate it.

With interest rates this high, you might want to figure out exactly how much you can earn with a high-yield savings account. Calculating interest earned can encourage you to save even more as you ...

Calculating interest expense on a payable bond should be relatively straightforward, but then the accountants got involved.

While simple interest is generally simple to calculate over the life of a loan or investment, it can also be useful to know how much interest is accruing on a daily, or "per-diem," basis.