## How to sum all digits in a number in Excel?

If you have a cell which contains a value, and now, you want to add all the digits together of the cell. For example, if you have the value 12345 in a cell, you want to do this calculation: 1+2+3+4+5, and get the value 15. Are there any good ways for you to sum all digits of a number in Excel?

** Sum all digits of a number in a cell with formulas**

Without adding the digits one by one manually, the following formulas can help you get the summation of a cell quickly.

1. Please enter or copy any one of the following formulas into a blank cell to output the result:

**=SUMPRODUCT(1*MID(A2,ROW(INDIRECT("1:"&LEN(A2))),1))**

**=SUM(INDEX(1*(MID(A2,ROW(INDIRECT("1:"&LEN(A2))),1)),,))**

**2**. Then press **Enter** key to return the result, and select the cell C2, then drag the fill handle over to the range that you want to apply this formula, and you will get the summation of digits of each cell number.See screenshot:

**Notes**:

- In the above formulas,
**A2**is the cell contains the number which you want to sum its digits. - If there is negative sign or a decimal point in the number, the formulas return a #VALUE! error.

** Sum all digits of a number in a cell with User Defined Function**

To add up all digits of a cell number, the following VBA code also can help you.

**1**. Hold down the **ALT + F11** keys, and it opens the **Microsoft Visual Basic for Applications window**.

**2**. Click **Insert** > **Module**, and paste the following code in the** Module Window**.

**VBA code: Sum all digits of a cell number**

```
Function SumDigits(Number As String) As Integer
'Updateby Extendoffice
Dim x As Integer, C As String
For x = 1 To Len(Number)
C = Mid(Number, x, 1)
If IsNumeric(C) Then SumDigits = SumDigits + C
Next
End Function
```

**3**. Then save and close this code, return to the worksheet, and enter this formula **=SumDigits(A2)** into a blank cell, Then drag the fill handle down to the cells that you want to contain this formula, you will get the following result:

** Sum all digits of a number in a cell with easy feature**

Here, I can also talk about a useful tool-** Kutools for Excel**, with its** Sum numbers in a cell** function, you can quickly add up all digits within a number.

**Note:**To apply this ** Sum numbers in a cell**, firstly, you should download the **Kutools for Excel**, and then apply the feature quickly and easily.

After installing **Kutools for Excel**, please do as this:

**1**. Click a blank cell where you want to output the result.

**2**. Then click **Kutools** > **Formula Helper **> **Formula Helper**, see screenshot:

**3**. In the **Formulas Helper** dialog box, do the following operations:

- Select
**Math**option from the**Formula****Type**drop down list; - Then choose
**Sum numbers in a cell**from the**Choose a fromula**list box; - In the right
**Arguments input**section, select a cell that you want to sum digits.

**4**. Then click **Ok** button, and drag the fill handle over to the cells that you want to sum the digits in the cells. And all the digits in each cell have been added together, see screenshot:

** Download and free trial Kutools for Excel Now ! **

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