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How to count (identify) and change decimal place in Excel?

Author Xiaoyang Last modified

This article will show you the way to count and identify the decimal place of a number, and ways to change decimal place in a given range or the whole worksheet.

Supposing we will count and change the decimal places of numbers in the given Column A, see the following screenshot:

sample data

Count and identify the decimal place of a number

Change the decimal place in a given range

Change the decimal place in the whole worksheet

arrow blue right bubble Count and identify the decimal place of a number

Sometimes there are numbers containing various amount of decimal place, and you may want to count the digitals and show in a cell. You can do it with following steps:

In a blank cell, saying the Cell B2, enter the formula of =IF(A2=INT(A2),0,LEN(MID(A2-INT(A2),FIND(".",A2,1),LEN(A2)-FIND(".",A2,1)))), and press the Enter key.apply a formula to count and identify the decimal place of a number

Then it returns the decimal place in the Cell B2. In this case, it shows 5. Now you can get the decimal place of other numbers with copying and pasting this formula to corresponding cells.

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arrow blue right bubble Change the decimal place in a given range

You can change the decimal place for many numbers in a given range with following steps:

Step 1: Select the numbers you will change their decimal place. In this case, select the range of A2:A6.

Step 2: Click the Decrease Decimal button or Increase Decimal button in the Number group under Home tab.
Click the Decrease Decimal button or Increase Decimal button

Step 3: Then the decimal place of numbers in the selection are changed and unified to same decimal place. See the following screenshot:

originla dataarrow rightthe decimal place of numbers are changed to same decimal place

You can also change and unify the decimal place of numbers with Format Cells by right clicking the selection.

Step 1: Select the range that you want to change, and right click.

Step 2: Choose Format Cells from the context menu, and in the Format Cells dialog box, click Number from the Category list, and enter the decimal places that you need. See screenshot:

denter the decimal places in the Format Cells diaog box

Step 3: Then click OK. And the decimal places have been changed to what you want.

original dataarrow-rightthe decimal place of numbers are changed to same decimal place

arrow blue right bubble Change the decimal place in a given range

This method will help you change the default decimal place for the whole worksheet.

Step 1: Click the File > Options in Excel 2010; and click the Office Button > Excel Options in Excel 2007;

Step 2: In the Excel Options dialog box, click the Advanced button in left bar.

Step 3: Go to the Editing options section.

Step 4: Check the Automatically insert a decimal point option, and enter a number in the Places box.

Step 5: Click OK to confirm and save the changes. Now the default decimal place is changed.

Step 6: When you input the number 1234, it will become 12.34 automatically, if the default decimal place is 2.

Check the Automatically insert a decimal point option, and enter a number in the Places box in the Excel Options dialog box

By the way, if you enter the number of 16.25893, it will shows as 16.25893, but not 16.26.

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