Code point
U+33A2
Glyph appearance depends on your fonts.
U+33A2
So<square> 006B 006D 00B2U+33A2 SQUARE KM 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+33A2
13218
㎢
㎢
E3 8E A2
33A2
000033A2
%E3%8E%A2
\u33A2
\u33A2
\u33A2
\33A2