LEN DAX Function
It returns a whole number indicating the number of characters in the text string. LEN always counts each character as 1.
Note: Spaces count as characters.
DAX Syntax LEN(text)
The text specifies the text whose length we want to find, or a column that contains text.
Example 1: The following formula find the length of the text in the column Name.
DAX
= LEN([Name])
Example 2: The following measure returns the result 9, as it included the space also as one character.
DAX
Measure 2 = LEN("I got it.")