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How to Add an Average Line in PowerPoint Chart

Ajay Sai

Published By

Ajay Sai

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Admin

Published On

November 12th, 2025

Reading Time

3 min read

Easily add an average line in PowerPoint charts to highlight trends and improve data visualization

 

How to Add an Average Line in a PowerPoint Chart

Adding an average line to a chart in PowerPoint helps visualize trends and compare data points effectively.
It provides a clear reference for understanding variations within the dataset. Follow this step-by-step guide to insert an average line into your PowerPoint chart.

Step-by-Step Guide to Adding an Average Line in PowerPoint

Step 1: Insert a Chart in PowerPoint

Open your PowerPoint presentation and navigate to the slide where you want to insert the chart.
notion image
Click on Insert > Chart from the ribbon. Choose the appropriate chart type (e.g., Line, Column, or Bar Chart) and click OK.
notion image
Enter your data in the Excel spreadsheet that appears.

Step 2: Calculate the Average Value

In the Excel sheet linked to your chart, add a new column for the Average Line.
notion image
Use the formula =AVERAGE(range) where range includes the data points you want to average.
Drag the formula down so that the same average value appears across all data points.

Step 3: Add the Average Line to the Chart

Click anywhere on the chart to open the Chart Tools menu.
Click on Chart Design > Select Data. In the Select Data Source window, click Add to insert a new data series.
notion image
For Series Name, type "Average Line". Select the newly created column (with the average values) as the Series Values and click OK.

Step 4: Change the Average Line Style

Click on the newly added line in the chart. Go to Chart Tools > Format > Shape Outline to customize the appearance.
notion image
Choose a dashed line or a different color to make it distinguishable from other data points.

Step 5: Adjust Chart Labels and Formatting

Click on Chart Elements (the + button on the top-right of the chart). Enable Legend to clearly display the Average Line label.
notion image
Adjust axis titles, chart title, and gridlines for better readability.

Adding an average line enhances data visualization in PowerPoint. For even faster and smarter presentation creation, check out MagicSlides.app generate AI-powered slides with charts, bullet points, and visuals in just a few clicks!

Conclusion

Adding an average line in PowerPoint charts helps illustrate trends and make data comparisons clearer.
By following these steps, you can enhance your presentation and effectively communicate key insights.

FAQs on Adding an Average Line in PowerPoint

Can I add an average line to a PowerPoint chart without using Excel?

No, PowerPoint requires Excel data integration to compute and display an average line.
What chart types work best with an average line?
Bar, Column, and Line charts best visualize an average line for comparison.

How do I change the style of the average line in PowerPoint?

Click the line, go to Format > Shape Outline, and adjust color, width, or dashes.
Now, your PowerPoint chart is more insightful and visually compelling! 🚀📊

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About the author

Ajay Sai profile photo
Ajay Sai— writer at MagicSlides.app

Ajay have been a techincal writer for more than 2+ years. from coding tutorials to using day to day apps he have helped 100k+ visitors with their various queries

More from Ajay

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