Mastering Google Sheets: Create Smooth Line Charts

Gregory Jul 09, 2026

Creating a smooth line chart in Google Sheets can greatly enhance the visual appeal and readability of your data. Line charts are particularly useful for displaying trends over time or changes in data over a series of intervals. Here's a step-by-step guide to help you create a smooth line chart in Google Sheets.

How To Create A Circle Chart In Google Sheets
How To Create A Circle Chart In Google Sheets

Before we dive into the process, ensure that your data is organized in a tabular format with one column for the x-axis data (e.g., dates or categories) and another for the y-axis data (the values you want to plot).

the title for google sheets column chart with text overlaying it in green and black
the title for google sheets column chart with text overlaying it in green and black

Preparing Your Data

Having clean and well-structured data is crucial for creating an effective line chart. Make sure your data is in the correct format and free of errors.

How to Make a Gauge Chart in Google Sheets
How to Make a Gauge Chart in Google Sheets

To ensure your data is ready, follow these steps:

  • Remove any blank rows or columns that are not needed.
  • Check for and correct any inconsistent data formatting.
  • Ensure your x-axis data is in chronological order if it's time-based.
How to make a graph or chart in Google Sheets
How to make a graph or chart in Google Sheets

Sorting Your Data

If your data is not already sorted, you can use the 'Sort A-Z' or 'Sort Z-A' functions in Google Sheets to organize it. This is particularly important when dealing with time-based data, as line charts typically display data in chronological order.

To sort your data:

How to create and customize charts in Google Sheets (Quick version)
How to create and customize charts in Google Sheets (Quick version)
  1. Highlight the data you want to sort.
  2. Click on 'Data' in the menu, then 'Sort A-Z' or 'Sort Z-A'.
  3. Choose the column you want to sort by and click 'Sort'.

Formatting Your Data

Formatting your data can make a significant difference in the appearance of your line chart. For example, you might want to format dates as 'yyyy-mm-dd' or numbers as currency. To format your data:

the google spreadsheet dashboard is shown in this screenshot
the google spreadsheet dashboard is shown in this screenshot
  1. Highlight the cells you want to format.
  2. Right-click and select 'Format cells'.
  3. Choose the formatting option you want (e.g., 'Number', 'Currency', 'Date', etc.).
  4. Click 'OK'.

Creating the Line Chart

How to Make a Timeline Chart in Google Sheets
How to Make a Timeline Chart in Google Sheets
The Ultimate Google Sheets Keyboard Shortcut Cheat Sheet for Beginners & Pros
The Ultimate Google Sheets Keyboard Shortcut Cheat Sheet for Beginners & Pros
How to Use the LINEST Function in Google Sheets
How to Use the LINEST Function in Google Sheets
How To Create A Pivot Table In Google Sheets - A Step By Step Guide, Google Sheets
How To Create A Pivot Table In Google Sheets - A Step By Step Guide, Google Sheets
How to Create a Pie Chart in Google Sheets: A Simple Step-by-Step Guide (With Example)"
How to Create a Pie Chart in Google Sheets: A Simple Step-by-Step Guide (With Example)"
How To Make a Pie Chart in Google Sheets (Step-by-Step)
How To Make a Pie Chart in Google Sheets (Step-by-Step)
Basic Formatting in Google Sheets
Basic Formatting in Google Sheets
How To Create Charts In Google Sheets?
How To Create Charts In Google Sheets?
How to Make a Combo Chart in Google Sheets
How to Make a Combo Chart in Google Sheets
4 Easy Ways to Search in Google Sheets
4 Easy Ways to Search in Google Sheets
Simple To-Do List Setup in Google Sheets for Beginners
Simple To-Do List Setup in Google Sheets for Beginners
Google Classroom - Simple Spreadsheet and Pie Chart | K-5 Technology Lab
Google Classroom - Simple Spreadsheet and Pie Chart | K-5 Technology Lab
How to Make a Line Graph in Google Sheets | Itechguides
How to Make a Line Graph in Google Sheets | Itechguides
How to Calculate Running Total in Google Sheets
How to Calculate Running Total in Google Sheets
How to Sort Columns Like a Pro in Google Sheets
How to Sort Columns Like a Pro in Google Sheets
Google Sheets Charts / Graphs Tutorial
Google Sheets Charts / Graphs Tutorial
How to Create Progress Bars in Google Sheets (Step-by-Step)
How to Create Progress Bars in Google Sheets (Step-by-Step)
Google Sheets Beginner Tutorial
Google Sheets Beginner Tutorial
🤌 3 Basic Google Sheets Tips #personalgrowth
🤌 3 Basic Google Sheets Tips #personalgrowth
Master Google Sheets Dynamic Named Ranges
Master Google Sheets Dynamic Named Ranges

Once your data is prepared, you can create your line chart. Google Sheets offers a user-friendly interface for creating charts, making this process straightforward.

To create your line chart:

  1. Highlight the data you want to plot.
  2. Click on 'Insert' in the menu, then 'Chart'.
  3. In the 'Chart editor' panel that appears on the right, select the chart type you want (in this case, 'Line').
  4. Customize your chart as desired using the options in the 'Chart editor' panel. You can change the chart title, axis titles, and add a legend, among other things.
  5. When you're satisfied with your chart, click 'Done'.

Customizing Your Line Chart

Google Sheets offers a range of customization options for your line chart. You can change the color and style of the lines, add data labels, and more. To customize your chart:

  1. Click on your chart to select it.
  2. In the 'Chart editor' panel, click on the 'Customize' tab.
  3. Use the options in the 'Customize' panel to make your desired changes.
  4. Click 'Done' when you're finished.

Smoothing Your Line Chart

To create a smooth line chart, you can use the 'Smooth line' option in the 'Customize' panel. This option interpolates between your data points to create a smoother line. To use it:

  1. Select your chart.
  2. In the 'Chart editor' panel, click on the 'Customize' tab.
  3. Under 'Series', check the box next to 'Smooth line'.
  4. Click 'Done'.

Your line chart should now have a smooth, continuous line connecting your data points.

Final Touches

Once you're satisfied with your line chart, you can add it to your Google Sheets report or presentation. To do this:

  1. Select your chart.
  2. Click and drag it to where you want it in your report or presentation.

And there you have it! A smooth line chart in Google Sheets. Creating engaging and informative visuals is a powerful way to communicate your data effectively. Happy charting!