Excel offers several easy ways to calculate expiry dates based on days, months, or business rules. In this post, we’ll explore different ways to automate expiry date calculations in Excel.

Learn how to calculate Weighted Average in Excel with percentages using the SUM function and the SUMPRODUCT function.

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.

One of the many features of Excel is being nosy. That's right, you can quickly calculate a persons age as long as you have their birth date.

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.