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How to sum first digit of each cell only in Excel?

Author: Sun Last Modified: 2020-09-03

In Excel, we usually sum all values in a range by using =SUM(range), but have you ever tried to sum only first digit of each cell as below screenshot shown before? In this article, I will talk about the trick on summing every first digit of each cell only in Excel.

To sum first digit up from each cell, you can apply below formula.

Select a blank cell which you will put the calculation result in, enter this formula =SUM(IF(ISNUMBER(LEFT(A2:A10,1)+0),LEFT(A2:A10,1)+0)), and press Shift + Ctrl + Enter key to get result correctly. See screenshot:
doc sum first digit 2

In the formula, A2:A10 are the cells you want to sum their first digits, you can change it as you need.

However, in other cases, you may want to sum all digits in a single cell as below screenshot shown. Actually, there is no built-in function that can help you solve it in Excel, but you can apply Kutools for Excel’s Sum numbers in a cell function can quickly handle it.

Kutools for Excel, with more than 300 handy functions, makes your jobs more easier. 

After installing Kutools for Excel, please do as below:(Free Download Kutools for Excel Now!)

1. Select a blank cell which you will place the calculation result into, click Kutools > Formula Helper > Math & TrigSum numbers in a cell. See screenshot:
doc sum first digit 3

2. Then in Formulas Helper dialog, select the cell you want to sum its numbers into Cell textbox, you can change the absolute reference to the relative reference manually. See screenshot:
doc sum first digit 4

3. Click Ok, and then all numeric digits in the selected cell has been summed up. And you can drag the autofill handle over the cells you need to apply this formula. See screenshot:
doc sum first digit 5

Tip. If you want to have a free trial of the Sum numbers in a cell utility, please go tofree download Kutools for Excel first, and then go to apply the operation according above steps.

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