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How to Calculate a Weighted Average in an Excel Pivot Table

To calculate the weighted average of a data with a Pivot Table, we can add a column to our source data as an intermediate calculation. This is because Excel doesn’t provide a function in the Pivot Table that automatically calculates the weighted average. The steps below will walk through the process.


Figure 1- How to Calculate a Weighted Average in an Excel Pivot Table

Formula

=B4*C4

  • Column B: These are the Scores in the data
  • Column C: This is the percentage weight of each Course in the data

Setting up the Data

We will calculate the weighted average score of the courses in the data below.

  • Column A, B, and C will contain the Course, Score, and Weight respectively

We will use the formula above to calculate values for the weighted average column

Figure 2 – Setting up the Data

Adding a Weighted Average Column to the Data

  • We will click on Cell D4
  • We will insert the formula below into Cell D4

=B4*C4

  • We will press the enter key

Figure 3- Weighted Average Score for the Che 110

  • We will click on Cell D4 again
  • We will double click on the fill handle tool which is the small plus sign you see at the bottom right of Cell D4. We will select and drag down the fill handle to copy the formula to other cells

Figure 4- Weighted Average Scores for the Courses

Using the Pivot Table

  • We will select the range (A3:D11) of the table
  • We will click on the Insert tab and click on Pivot Table

Figure 5- Clicking on Pivot Table

Figure 6- Creating the Pivot Table

  • We will press OK
  • We will check the Pivot Table Fields to the right as shown in Figure 7

 

 

Figure 7- Checking the Pivot Table Fields

 

  • As we will see in figure 8, the Pivot Table has calculated the total weighted average as 67.7

 

Figure 8- Weighted Average Result from the Pivot Table

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