Len Returns the number of characters in a given string. Syntax Len(s) Parameters Parameter Description s The string to examine. Examples The following expressions are examples of using the Len function: Expression Returns Len(“ABDCEFGH”) 8 Len(4) 1 Len(Str(4.532, 6, 4)) 6 See also “Str”. Len(Amount[*]) The number of characters in the first occurrence of Amount.