How to Calculate Moving Average
Last updated: 2026-09-06
⚡ Quick Answer
A moving average smooths out short-term fluctuations to highlight longer-term trends in data series.
=AVERAGE(B2:B6)📊 Visual Demo
HOME · INSERT · FORMULAS · DATA
fx =AVERAGE(B2:B6)
| A | B | C | D | E | |
|---|---|---|---|---|---|
| 1 | 1 | Month 1-5 | Data Series | =AVERAGE(B2:B6) | Rolling Mean |
| 2 | 2 | Window | 5-Period Span | — | Trend Isolated |
| 3 | 3 | Analysis | Forecasting | Verified | Model Updated |
🧠 Deep Dive
A moving average smooths out short-term fluctuations to highlight longer-term trends in data series.
Key Insights
- SUMIF/COUNTIF take one criteria; SUMIFS take many.
- Expanding ranges create running totals.
Common Mistakes
- Mismatched range sizes in SUMIFS.
- Quoting numeric criteria cell references.
Pro Tips
- Make criteria ranges full columns.
- Test COUNTIFS first.
FAQ
What does this formula do in plain English?
A moving average smooths out short-term fluctuations to highlight longer-term trends in data series.
Why is my formula not working?
Mismatched range sizes in SUMIFS.
Does this work in Google Sheets?
Yes, this syntax is fully compatible with Google Sheets.
What is the most common mistake?
Quoting numeric criteria cell references.
Related Guides
How to Use SUMIFS in ExcelHow to Use COUNTIFS in ExcelHow to Calculate Cumulative SumHow to Use SUMIF in ExcelExcel Error Hub
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