We show you how to use Excel to count days between two dates using the DAYS, DATEDIF, NETWORKDAYS, and TODAY functions, and Subtraction.

If you need to count or calculate number of Leap Years between two dates in Excel or list of two dates in Excel, make use of this formula to get things done.

A TechRepublic member wrote for advice on calculating the years, months, and days elapsed between two dates. This tutorial explains the solution provided by TechRepublic contributor Jeff Davis.

Learn how to calculate the net present value (NPV) of your investment projects using Excel's XNPV function.

To calculate in Excel how many hours someone has worked, you subtract the start time from the end time — the difference is the hours worked. But if the work shift spans midnight, simple ...