Code point
U+33A1
Glyph appearance depends on your fonts.
U+33A1
So<square> 006D 00B2U+33A1 SQUARE M SQUARED is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the CJK Compatibility block.
Choose the representation you need, then copy its value.
U+33A1
13217
㎡
㎡
E3 8E A1
33A1
000033A1
%E3%8E%A1
\u33A1
\u33A1
\u33A1
\33A1