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.

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.

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.

How to Calculate Simple Interest Savings. Savings accounts will earn interest on the amount of money deposited into the account. The formula to calculate simple interest in a savings account is ...

We show you how to calculate compound interest in Excel at different rate of interests, like semi-annually, quarterly, monthly, etc.

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.