Easy way to calculate time difference in Excel using simple logic. A simple formula to calculate difference between two dates & times in Excel.

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.

Excel offers several easy ways to calculate expiry dates. This post explores different ways to automate expiry date calculations in Excel.

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

Learn how to calculate moving averages in Excel using dynamic arrays. Simplify rolling totals with custom functions for efficient analysis.

Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.

A straight ranking result is easy using one of Microsoft Excel’s ranking functions. Calculating a conditional rank is even easier if you let an Excel PivotTable do all the work.