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 Use Excel to Calculate the ROI on a Product. "Return on investment" is a financial calculation used to gauge how well the money you invest earns you even more money.

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

How simple interest works William Potter / Shutterstock Simple interest is typically used when calculating interest on a loan. Loans aren't free.