How to Create a Cumulative Sum Chart in Excel (With Example)


This tutorial provides a step-by-step example of how to create the following cumulative sum chart in Excel:

cumulative sum chart in Excel

Let’s jump in!

Step 1: Enter the Data

First, let’s create the following dataset that shows the total sales of some item during each month in a year:

Step 2: Calculate the Cumulative Sum

Next, we’ll use the following formula to calculate the cumulative sum of sales:

=SUM($B$2:B2)

We can type this formula into cell C2 and then copy and paste it to every remaining cell in column C:

Step 3: Create Bar Chart with Average Line

Next, highlight the cell range A1:C13, then click the Insert tab along the top ribbon, then click Clustered Column within the Charts group.

The following chart will be created:

Next, right click anywhere on the chart and then click Change Chart Type:

In the new window that appears, click Combo and then click OK:

The chart will be converted into a bar chart with a line:

The blue bars represent the sales each month and the orange line represents the cumulative sales.

Step 4: Customize the Chart (Optional)

Feel free to add a title, customize the colors, customize the line style, and adjust the width of the bars to make the plot more aesthetically pleasing:

cumulative sum chart in Excel

Additional Resources

The following tutorials explain how to perform other common tasks in Excel:

How to Fit a Curve in Excel
How to Make a Frequency Polygon in Excel
How to Add a Horizontal Line to Scatterplot in Excel

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