How to Find Equation of Trendline in Google Sheets: A Step-by-Step Guide

Finding the equation of a trendline in Google Sheets is a straightforward process. It just takes a few clicks and you’re done. This equation helps you predict future values based on the existing data trends. So, if you have a set of data and you want to see what the future might hold, this is the way to go.

Step by Step Tutorial: How to Find Equation of Trendline in Google Sheets

Before we dive into the steps, let’s understand why you might need to find the equation of a trendline. When you have a data set and you plot it on a chart, a trendline can show you the general direction in which your data is moving. It’s a great way to visualize patterns over time. Now, let’s get to the steps.

Step 1: Select Your Data

Select the range of data you want to analyze.

Selecting the right data is crucial. Make sure you include all the relevant data points for your trendline.

Step 2: Insert a Chart

Click on ‘Insert’ and then select ‘Chart’ to create a chart with your data.

Google Sheets will automatically choose a chart type based on your data, but you can change it if needed.

Step 3: Choose the Chart Type

Choose a scatter chart for your data to display the trendline.

A scatter chart is most commonly used for showing trends because it plots individual data points.

Step 4: Add a Trendline

Click on the chart, then on the three dots in the upper right corner, and select ‘Edit chart.’ Go to the ‘Customize’ tab, and under ‘Series,’ check the ‘Trendline’ box.

You can customize the trendline’s color, line type, and label in the ‘Trendline’ settings.

Step 5: Display the Trendline Equation

In the trendline settings, scroll down and check the ‘Label’ box. Then select ‘Use Equation’ as the label.

After you’ve completed these steps, the equation of your trendline will appear on your chart. This equation represents the relationship between your data points.

Once you’ve found the equation of the trendline, you can use it to make predictions or analyze the data further. It’s a powerful tool to have in your data analysis toolbox.

Tips for Finding Equation of Trendline in Google Sheets

  • Make sure your data is organized and clean before creating a chart.
  • Double-check that you’re using the correct chart type for your data.
  • Customize your trendline to stand out by changing its color and style.
  • Use the trendline equation to make predictions outside of your existing data range.
  • Remember, a trendline is based on past data and doesn’t guarantee future results.

Frequently Asked Questions

Why can’t I find the trendline option for my chart?

Not all chart types support trendlines. Make sure you’re using a scatter chart or a line chart.

Trendlines are only available for specific types of charts that display data in a way that trends can be identified. If you’re using a chart type like a pie chart, you won’t find the trendline option.

Can I use the trendline equation for forecasting?

Yes, the trendline equation can be used for forecasting, but remember that predictions are based on past data and may not always be accurate.

Forecasting with trendline equations can be helpful, but it’s important to consider other factors that might affect your data when making predictions.

Does the trendline work with non-linear data?

Google Sheets can fit different types of trendlines, including linear, exponential, polynomial, and more, depending on your data’s distribution.

If your data isn’t linear, you can choose a different type of trendline that better fits your data’s pattern.

How do I remove a trendline from my chart?

Go back into the ‘Edit chart’ options, navigate to the ‘Customize’ tab, and under ‘Series,’ uncheck the ‘Trendline’ box.

If you decide that the trendline is no longer needed, removing it is just as easy as adding it.

Can I change the appearance of my trendline?

Yes, in the trendline settings, you can customize the color, line type, and opacity to make your trendline more distinct.

The appearance options allow you to make your trendline fit the style of your chart and make it easier to read.


  1. Select your data range.
  2. Insert a chart.
  3. Choose a scatter chart.
  4. Add a trendline.
  5. Display the trendline equation.


Mastering how to find the equation of a trendline in Google Sheets can significantly enhance your data analysis skills. It’s a simple process that can unveil the underlying patterns in your data, empowering you to make informed decisions and accurate predictions. Just remember that while trends can be a powerful indicator of general direction, they are not fortune tellers. Always consider other external factors that might influence future outcomes.

So, the next time you have a dataset and you’re curious about where things are heading, give this method a shot. You might be pleasantly surprised at how much you can discover from those numbers. And who knows, maybe you’ll unearth a trend that could be game-changing for your project or business. Happy trending!