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How to count same or duplicate values only once in a column?

doc count same value only once 1

Supposing, some duplicate values are populated in a column of your worksheet, now, you need to count the same or duplicate values only once which means to count only the unique values as following screenshot shown. How could you solve this task in Excel?

Count same or duplicate values only once in a column with formula

Count same or duplicate values only once in a column with Kutools for Excel


Count same or duplicate values only once in a column

With Kutools for Excel's Select Duplicate & Unique Cells feature, you can quickly select only duplicate or unique values from a column data, and get the count result.

doc count same value only once 6

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Count same or duplicate values only once in a column with formula


To count the same values only once in a column, please apply the following the formula:

Enter this formula: =SUMPRODUCT((A2:A15<>"")/COUNTIF(A2:A15,A2:A15&"")) into a blank cell where you want to output the result, and press Enter key to get the result, see screenshot:

doc count same value only once 2

Note: In the above formula, A2:A15 is the data range that you want to count the duplicates only once.


Count same or duplicate values only once in a column with Kutools for Excel

With Kutools for Excel’s Select Duplicate & Unique Cells utility, you can quickly select or highlight the same values only once in a column and get the number of them without any formulas at the same time.

Kutools for Excel : with more than 300 handy Excel add-ins, free to try with no limitation in 60 days

After installing Kutools for Excel, please do as follows:

1. Select the column data that you want to count.

2. Click Kutools > Select > Select Duplicate & Unique Cells, see screenshot:

doc count same value only once 3

3. In the Select Duplicate & Unique Cells dialog box, check All unique(Including 1 st duplicates) (which means to identify and select the duplicate values only once) option under the Rule section, and you can highlight the cells by checking the Fill backcolor or Fill font color as you want, see screenshot:

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4. Then click Ok button, and a prompt box will pop out to remind you the number of the cells that you want, see screenshot:

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And click OK, the same values only once in the column have been selected, too.

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Demo: Count same or duplicate values only once in a column with Kutools for Excel

Kutools for Excel: with more than 200 handy Excel add-ins, free to try with no limitation in 60 days. Download and free trial Now!


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