You canadd different types of trendlinesin Google Sheets and customize their appearance.

Scroll to the bottom of the Series section and check the box for Trendline.

You’ll see the trendline appear on your chart.

Edit Chart in the chart menu

If you select Polynomial, you might pick the degree.

If you select Moving Average, you’re able to pick the Average punch in and Period.

when you’ve got your trendline set up, you’re able to customize its appearance.

Series section on the Customize tab of the Chart Editor

This is handy if you want the trendline to stand out.

Next, you could adjust the Line Opacity using the drop-down box.

Pick from zero to 100% to make the line more or less bold.

Select a chart Series

you’re free to then pick the Line Thickness using the drop-down box.

Select one, two, four, or eight pixels for the width of the line.

go for the key in in the Label drop-down box.

Trendline box checked

If you choose “Custom,” enter the text for the label in the next box.

Trendline type selection

Polynomial and Moving Average trendline types

Line color palette for a trendline

Opacity options for a trendline

Line Thickness options for a trendline

Custom label for a trendline

Show R squared box checked for a trendline