If you want to sum up the total number of hours using an Excel formula to calculate time worked, place a formula at the bottom of that column using the SUM function, summing up each row's entry ...

Type the formula to calculate the number of double time hours worked that day in cell B5. For example, suppose state law requires you to pay workers double time if they work more than 10 hours per ...

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.

Discover how to calculate the modified Macaulay duration of a bond or other fixed-income security using Microsoft Excel.

Bookkeepers, project managers, HR departments and more use the Excel Date & Time functions WEEKNUM, ISOWEEKNUM, WORKDAY, WORKDAY.INTL to calculate time. Here's how.

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