Count cells over 10 characters in Excel and Google Sheets

{=SUM(N(LEN(A:A)>10))} // array formula

=SUMPRODUCT(N(LEN(A:A)>10)) // count within a column

=SUMPRODUCT(N(LEN(A:A)>10)) // count within a cell

A:A = Range

Check below for a detailed explanation with pictures and how to use formulas in Excel and Google Sheets.