Please Note: This article is written for users of the following Microsoft Excel versions: 2007, 2010, 2013, 2016, 2019, Excel in Microsoft 365, and 2021. If you are using an earlier version (Excel 2003 or earlier), this tip may not work for you. For a version of this tip written specifically for earlier versions of Excel, click here: Summing Digits in a Value.

# Summing Digits in a Value

Written by Allen Wyatt (last updated October 22, 2022)
This tip applies to Excel 2007, 2010, 2013, 2016, 2019, Excel in Microsoft 365, and 2021

If you have a cell that contains a value, you may want to devise a way to add together all the digits in the value. For instance, if a cell contains the value 554, you might want to determine the sum of 5+5+4, which is 14.

There are several ways you can approach this task. (Doesn't that always seem the way in Excel?) The first is to use a formula that relies on several functions:

```=SUMPRODUCT(--MID(A1,ROW(INDIRECT("1:" & LEN(A1))),1))
```

This regular formula will sum the digits in any integer value (in cell A1) in a simple, elegant manner. This is not the only possible formula, however. The following is an array formula (terminated by pressing Ctrl+Shift+Enter) version of the same formula:

```=SUM(1*MID(A1,ROW(INDIRECT("1:"&LEN(A1))),1))
```

Either of these formulas work fine if the value in A1 is a positive whole number. If there are any non-digit characters in the number (such as a negative sign or a decimal point), then the formulas return a #VALUE! error.

These are not the only formulas possible for this type of calculation. You can find some other examples of formulas in the Microsoft Knowledge Base:

```http://support.microsoft.com/?kbid=214053
```

You can also use a user-defined function to return the desired sum. The following macro steps through each digit in the referenced cell and calculates a total. This value is then returned to the user:

```Function AddDigits(Number As Long) As Integer
Dim i As Integer
Dim Sum As Integer
Dim sNumber As String

sNumber = CStr(Number)
For i = 1 To Len(sNumber)
Sum = Sum + Mid(sNumber, i, 1)
Next
End Function
```

To use this function, just use a formula such as =AddDigits(A1) in a cell. An even more compact user-defined function (invoked in the same manner) is the following:

```Function AddDigits(ByVal N As Long) As Integer
Do While N >= 1
N = Int(N / 10)
Loop
End Function
```

Unlike the earlier macro, this version doesn't convert the cell contents to a string in order to process it. Instead, it steps through each digit of the value, stripping off the last digit and adding it to the total.

Note:

If you would like to know how to use the macros described on this page (or on any other page on the ExcelTips sites), I've prepared a special page that includes helpful information. Click here to open that special page in a new browser tab.

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (12002) applies to Microsoft Excel 2007, 2010, 2013, 2016, 2019, Excel in Microsoft 365, and 2021. You can find a version of this tip for the older menu interface of Excel here: Summing Digits in a Value.

##### 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. ...

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What is nine more than 3?

2024-05-01 09:55:15

J. Woolley

The following dynamic array function in My Excel Toolbox returns an array of numeric values beginning with Start incrementing by Step until Finish (not beyond):
=ForNext(Start, Finish, [Step], [AsColumn])
Start, Finish, and Step can be any numeric value. Default Step is 1.
If AsColumn is FALSE (default), the result is a row array; TRUE returns a column array. Expect N elements: N = 1 + INT((Finish - Start) / Step)
Here is a version of Andy's formula (see the previous comment below) that does not require Excel 365 (or 2021+):
=SUM(VALUE(MID(A1, ForNext(1, LEN(A1)), 1)))
In older Excel versions yoou probably need to use Ctrl+Shift+Enter (CSE).
For an example that has nothing to do with the Tip, here is the date of every Sunday for the next 52 weeks beginning with the most recent Sunday:
=ForNext(TODAY()-WEEKDAY(TODAY())+1, TODAY()+52*7, 7, TRUE)
In older Excel, select 52 cells in a column and use CSE. The resulting column array should be manually formatted as Date.

2022-10-22 07:42:28

Andy

Here is another formula approach. It requires Excel 365.

=SUM(VALUE(MID(A1,SEQUENCE(LEN(A1)),1)))

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