Please Note: This article is written for users of the following Microsoft Excel versions: 97, 2000, 2002, and 2003. If you are using a later version (Excel 2007 or later), this tip may not work for you. For a version of this tip written specifically for later versions of Excel, click here: Determining a Simple Moving Average.

Determining a Simple Moving Average

by Allen Wyatt
(last updated July 2, 2018)

Jeff needs to create a formula that will return a moving average for a range of cells. He adds data to the worksheet daily and he always want to have an average of the last ten days' information. This always corresponds to the last ten cells in a column.

There are a couple of easy ways you can approach this problem. The solution you choose depends on what you ultimately want to see in the way of an average. For instance, if you want to see how the average changes over time, the best approach is to add an additional column to your worksheet. If the data is in column A (starting in row 2), then you can enter the following formula in cell B11:

=IF(A11>"",AVERAGE(A2:A11),"")

Copy the formula down the column, and you will always have the average of the last ten days shown. As you add new data to column A, the updated moving average appears at the bottom of column B. The advantage is that you can see how the average changes from day to day.

If you don't want to add another column for each day's moving average, you can use a different formula to determine the current moving average. Assuming there are no blanks in column A and that there are more than ten pieces of data in the column, you could use the following formula:

=AVERAGE(OFFSET(A1,COUNTA(A:A)-1,0,-10,1))

The OFFSET function defines the range to average. It looks at the number of cells in column A and selects the last 10 as the desired range.

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (8345) applies to Microsoft Excel 97, 2000, 2002, and 2003. You can find a version of this tip for the ribbon interface of Excel (Excel 2007 and later) here: Determining a Simple Moving Average.

Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He is president of Sharon Parq Associates, a computer and publishing services company. ...

MORE FROM ALLEN

Getting Input from a Text File

VBA includes some commands that you can use to read information from text files (non-Word documents). These commands can ...

Discover More

Moving Footnote References Using Find and Replace

When you are editing a document, you may need to modify where the author placed footnotes relative to surrounding ...

Discover More

Specifying Print Quantity in a Cell

When you print a worksheet, you can specify in the Print dialog box how many copies you want printed. If you want the ...

Discover More

Save Time and Supercharge Excel! Automate virtually any routine task and save yourself hours, days, maybe even weeks. Then, learn how to make Excel do things you thought were simply impossible! Mastering advanced Excel macros has never been easier. Check out Excel 2010 VBA and Macros today!

More ExcelTips (menu)

Using a Formula to Replace Spaces with Dashes

If you need a formula to change spaces to some other character, the SUBSTITUTE function fits the bill. Here's how to use it.

Discover More

Working In Feet and Inches

Your chosen occupation may require that you work with linear distances in feet and inches. Excel can do this, to a ...

Discover More

Determining "Highest Since" or "Lowest Since"

When compiling statistics on a collection of data points, you may want to know whether a particular value is the "highest ...

Discover More
Subscribe

FREE SERVICE: Get tips like this every week in ExcelTips, a free productivity newsletter. Enter your address and click "Subscribe."

View most recent newsletter.

Comments

If you would like to add an image to your comment (not an avatar, but an image to help in making the point of your comment), include the characters [{fig}] in your comment text. You’ll be prompted to upload your image when you submit the comment. Maximum image size is 6Mpixels. Images larger than 600px wide or 1000px tall will be reduced. Up to three images may be included in a comment. All images are subject to review. Commenting privileges may be curtailed if inappropriate images are posted.

What is three more than 1?

There are currently no comments for this tip. (Be the first to leave your comment—just use the simple form above!)


This Site

Got a version of Excel that uses the menu interface (Excel 97, Excel 2000, Excel 2002, or Excel 2003)? This site is for you! If you use a later version of Excel, visit our ExcelTips site focusing on the ribbon interface.

Newest Tips
Subscribe

FREE SERVICE: Get tips like this every week in ExcelTips, a free productivity newsletter. Enter your address and click "Subscribe."

(Your e-mail address is not shared with anyone, ever.)

View the most recent newsletter.