How to Do Time Intervals in Excel. When calculating time intervals in Excel, you are looking for the time that has passed between two given sets of time. Because Excel converts dates and times ...

Fortunately, Excel offers a built-in function, DATEDIF, which makes it easy to calculate elapsed calendar time.

Too many financial decisions are made without factoring in the time value of money. Whether providing financial planning advice related to a client’s retirement, advising a client about a business ...

The payback period is the amount of time needed to recover the initial outlay for an investment. Learn how to calculate it with Microsoft Excel.