Counting the number of unique values

Excel 2016 2010 2007 2003
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 2013

You can enter the next formula to the range C2:C12:

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

Summarize amount from a range C2:C12:

Counting the number of unique values in Excel 2013

This formula in Excel 2013 has no limitation: If the range contains any blank cells, previous versions of Excel return an error.

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