How to Calculate a Running Total in Excel Learn to create cumulative sums in Microsoft Excel with these step-by-step instructions and screenshots.

If you're planning to have employees log their own time in spreadsheets and submit them as timesheets with a built-in time calculator in Excel, using separate spreadsheets may be the easiest solution.

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

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 ...