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How to smooth the angles of line chart in Excel?

Author: Sun Last Modified: 2025-04-17

When you insert a line chart in Excel, generally, the line chart is with angles which may be not beautiful and smooth enough. Now I can tell you a way to smooth the angles of the line chart to satisfy your need in Excel.

line chart is with angles
arrow
smooth line chart

Smooth the line graph

 Smooth the line graph

To change the angles of the line to smooth line is very easy, please do as these:

1. Right click the series you need, and select "Format Data Series" in the context menu. See screenshot:

click Format Data Series from right click menu

2. In the "Format Data Series" dialog, click "Line Style" in left pane, and check "Smoothed line" option in right section. See screenshot:

check Smoothed line from Line Style

3. Close the dialog. Then you can see the line chart become smooth.

Tip: In Excel 2013, after clicking "Format Date Series", go to click "Fill & Line" tab in the "Format Data Series" pane, and then go down to check "Smoothed line" option.

steps to check Smoothed line in Excel 2013 and later version

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