Counting the number of unique values

Excel 365 2016 2013 2010 2007
You can easily count the number of unique values of the range using a simple formula.

For example, you want to count the number of unique values of the range:

Data in Excel 2003

You can enter the next formula to the range D2:D12:

= SUM (1 / COUNTIF ($A$2:$A$12, $A$2:$A$12))

Summarize amount from a range D2:D12:


This formula has a serious limitation: If the range contains any blank cells, it returns an error. The following formula solves this problem:

= SUM (IF (COUNTIF ($A$2:$A$12, $A$2:$A$12) = 0, "", 1 / COUNTIF ($A$2:$A$12, $A$2:$A$12)))

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