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How to Calculate a 3-Month Rolling Average in Excel – Step-by-Step Guide

Learn how to easily calculate a 3-month average in Excel using simple formulas for accurate rolling averages.

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Video transcript

To calculate a 3-month average in Excel, follow these steps: 1) Select the cell where you want the average. 2) Enter the formula: `=AVERAGE(A1:A3)` if your data is in cells A1 to A3. 3) Drag the fill handle to apply the formula to adjacent cells. Adjust the cell range as needed. This provides a quick way to compute a rolling average for any three-month period.

Questions and answers

  1. What formula do I use to calculate a 3-month average in Excel?

    Use the AVERAGE function like this: =AVERAGE(A1:A3), where A1 to A3 contain the monthly data you want to average.

  2. How can I create a rolling 3-month average in Excel?

    Enter the average formula for the first three months, then drag the fill handle down to apply it to subsequent months, adjusting the range automatically.

  3. Can I calculate a 3-month average for non-adjacent cells in Excel?

    Yes, use the AVERAGE function with cell references separated by commas, e.g., =AVERAGE(A1,A3,A5).

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For more Excel tips and tutorials, check out our guides on calculating moving averages, creating dynamic charts, and mastering Excel formulas to enhance your data analysis skills.