How to Add Equation to Graph in Google Sheets: A Step-by-Step Guide

Adding equations to graphs in Google Sheets is a pretty straightforward process. First, you’ll need to have some data ready in your spreadsheet. Next, you create a chart based on that data, then add a trendline, and finally, display the equation of that trendline on the chart. This also includes configuring some settings to make sure everything looks just right. Here’s how you can do it step-by-step.

How to Add Equation to Graph in Google Sheets

In this tutorial, you’ll learn how to insert and customize an equation on a graph in Google Sheets. Follow these steps closely to ensure your graph looks clean and professional.

Step 1: Open Google Sheets

To start, open Google Sheets and load your spreadsheet.

Make sure your data is well-organized. For example, you might have two columns, one for X values and one for Y values.

Step 2: Highlight Your Data

Highlight the range of cells that contain the data you want to graph.

This step is crucial because it tells Google Sheets which data points to include in the graph.

Step 3: Insert Chart

Click on "Insert" in the top menu, then select "Chart."

A chart will appear, often as a column chart by default.

Step 4: Change Chart Type

In the Chart Editor that appears, go to "Setup," and change the chart type to "Scatter chart."

Scatter charts are ideal for displaying data points and trendlines.

Step 5: Add Trendline

Within the Chart Editor, go to the "Customize" tab, then open the "Series" section.

Check the box labeled "Trendline" to add a trendline to your scatter chart.

Step 6: Display Equation

Still in the "Series" section, find the option for "Label" and select "Use Equation."

This will display the equation of the trendline directly on your chart.

Step 7: Customize Equation Appearance

You can also customize the appearance of the equation by adjusting options like line color, thickness, and label font.

Make sure it matches your desired aesthetics for better readability.

After completing these steps, your chart will now display the trendline equation. This makes it easier to see the relationship between your data points.

Tips for Adding Equation to Graph in Google Sheets

  • Select Accurate Data: Ensure your data is clean and accurate for a meaningful trendline.
  • Use Scatter Charts: Scatter charts are best for showing data points and trendlines.
  • Customize Trendline: Adjust the trendline settings to make the equation more readable.
  • Check Data Consistency: Make sure your data is consistent to avoid misleading equations.
  • Use Polynomial or Exponential: Depending on your data, you might want to use polynomial or exponential trendlines for better accuracy.

Frequently Asked Questions

How do I remove a trendline from a chart?

Go to the Chart Editor, navigate to the "Customize" tab, and uncheck the "Trendline" box in the "Series" section.

Can I add multiple trendlines?

Yes, you can. Just add another series of data to your chart and apply a trendline to it.

How do I change the trendline type?

In the "Series" section of the Chart Editor, you can select different types like linear, polynomial, or exponential.

What if my trendline doesn’t fit the data well?

Try using polynomial or exponential trendlines for better accuracy.

Can I export my chart?

Yes, you can download it as an image or PDF by clicking on the three-dot menu in the chart’s corner.


  1. Open Google Sheets.
  2. Highlight Your Data.
  3. Insert Chart.
  4. Change Chart Type.
  5. Add Trendline.
  6. Display Equation.
  7. Customize Equation Appearance.


Adding an equation to a graph in Google Sheets is a simple yet effective way to visualize the relationship between your data points. It not only enhances the readability of your data but also brings a professional touch to your charts. Whether you’re a student, a researcher, or just someone looking to present data more effectively, this skill is invaluable.

Google Sheets offers various customization options to make sure your trendline and its equation fit naturally into your chart. So, don’t hesitate to explore these settings and make your graph as informative as possible. Now that you know how to do it, go ahead and experiment with your own data. The better you get at this, the more meaningful your charts will become. Happy graphing!