| HTML Entity (dec) | ㎜ |
| HTML Entity (hex) | ㎜ |
| UTF-8 (hex) | 0xe38e9c / 0xe3 0x8e 0x9c (3 bytes) |
| UTF-8 (dec) | 227, 142, 156 (3 bytes) |
| UTF-16-BE (hex) | 0x339c / 0x33 0x9c (2 bytes) |
| UTF-16-BE (dec) | 51, 156 (2 bytes) |
| UTF-32-BE (hex) | 0x339c / 0x00 0x00 0x33 0x9c (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 51, 156 (4 bytes) |
| C/C++/Java source code | "\u339c" |
| Python source code | "\u339c" |