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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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.
FAQs & Answers
- 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.
- 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.
- 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).