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

With Excel and data from your broker, however, calculating the average return is fairly easy using the XIRR function. How to calculate average stock returns in Excel ...

Calculate the weighted average of interest rates in Microsoft Excel to compute the most accurate average interest rate among a group of lenders who received different rates. When you take a ...

This is the demonstration file to accompany the article, How to average unique values in Excel the easy way, by Susan Harkins.

If you need to average a list of values in Microsoft Excel that contain duplicates without including the duplicates, don't fret over a complex expression when you can easily remove those duplicates.

Topline Spreadsheets aren’t just for business owners and data analysts—here are some easy ways to integrate Microsoft Excel into your life.