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How to average based on day of week in Excel?

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In Excel, have you ever tried to calculate the average of a list number depending on which day of the week? Supposing, I have the following data range, and now I want to get the average orders of all Mondays, workdays or weekends. This article, I will introduce some formulas to help you to solve this task.

Calculate the average based on day of week with formulas


Convert date to weekday name, month name or other date formatting:

With Kutools for Excel’s Apply Date Formatting utility, you can convert the normal date to any other date formatting you need.

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arrow blue right bubble Calculate the average based on day of week with formulas


Calculate the average based on a specific day of week

To get the average based on a specific day of the week, the following formula may help you. In this example, I will calculate the average orders of Mondays of the data range, please do as follows:

Please enter this formula: =AVERAGE(IF(WEEKDAY(D2:D15)=2,E2:E15)) into a blank cell, and then press Shift + Ctrl + Enter keys together to get the correct result. See screenshot:

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Note: In the above formula:

D2:D15 is the date range which you based on;

The number 2 indicates Monday, and 1=Sunday, 3=Tuesday, 4=Wednesdays…, you can change the number 2 as your needed;

E2:E15 refers to the data range which you want to get the average.

Tips: The following formula also can help you to solve this problem: =SUMPRODUCT((WEEKDAY(D2:D15,2)=1)*E2:E15)/SUMPRODUCT((WEEKDAY(D2:D15,2)=1)*1) and just press Enter key to get the result. (D2:D15 is the date range which you based on, E2:E15 refers to the data range which you want to get the average, the number 1 indicates Monday, 2 = Tuesday, 3= Wednesdays...)


Calculate the average based on workdays

If you want to average the orders with all workdays in the range, please apply this formula: =AVERAGE(IF(WEEKDAY(D2:D15,2)={1,2,3,4,5},E2:E15)), then press Shift + Ctrl + Enter keys together, and you will get the average orders from Mondays to Fridays.

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Notes:

1. Here is also another formula may do you a favor:=SUMPRODUCT((WEEKDAY(D2:D15,2)<6)*E2:E15)/SUMPRODUCT((WEEKDAY(D2:D15,2)<6)*1) and press Enter key.

2. In the above formulas: D2:D15 is the date range which you based on, and E2:E15 refers to the data range which you want to get the average.


Calculate the average based on weekends

And if you just want to average the orders in weekends (Saturdays and Sundays), the following formula may do you a favor:

Please type this formula: =AVERAGE(IF(WEEKDAY(D2:D15,2)={6,7},E2:E15)) into a specific blank cell, and press Shift + Ctrl + Enter keys simultaneously, and then you will get only the average orders in weekends. See screenshot:

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Notes:

1. You can also use the below formula to solve this task: =SUMPRODUCT((WEEKDAY(D2:D15,2)>5)*E2:E15)/SUMPRODUCT((WEEKDAY(D2:D15,2)>5)*1) and just press Enter key.

2. In the above formulas: D2:D15 is the date range which you based on, and E2:E15 refers to the data range which you want to get the average.


Related articles:

How to calculate average between two dates in Excel?

How to average cells based on multiple criteria in Excel?

How to average top or bottom 3 values in Excel?


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  • To post as a guest, your comment is unpublished.
    Milo Bloom · 11 months ago
    I found what I needed, why the Cntl Shift Enter to make formula work?
  • To post as a guest, your comment is unpublished.
    Ankur · 1 years ago
    How is it that in the first formula 1 is Sunday but in the second and third formula 7 is Sunday??