| Symbol Name | Square Hz |
| Unicode Version | 1.1 |
| Unicode | U+3390 |
| Unicode block | |
| General category | Other Symbol (So) |
| CSS Code | \3390 |
| Hex Code | 0x3390 |
| HTML Code | ㎐ |
| LaTeX | \text{HZ} |
| Symbol | ㎐ |
| URL encode (UTF-8 percent) | %E3%8E%90 |
| Spoken / screen reader name | Square Hz |
| UTF-8 | E3 8E 90 |
| UTF-16 | 3390 |
| UTF-32 | 00003390 |
1\documentclass{article}2\usepackage{pifont}3\text{HZ}4\end{document}You can type the square hz symbol on most modern devices with the help of following methods:
Alt + 13200 on Windows (numeric keypad with Num Lock), or insert via Character Map.
Edit → Emoji & Symbols, search "square hz", or use Unicode Hex Input with 3390.
Ctrl + Shift + U, type 3390, then Enter (layout-dependent).
Paste from this page, use text replacement, or pick from the symbol keyboard.
Paste from this page or use a keyboard with unit symbol support.
1span.square-hz::before { content: "\3390"; }1<span>㎐</span>Square Hz symbol's representation in different programming languages can be found in the table below:
| Language | Representation |
|---|---|
| JavaScript / TypeScript | '\u3390' or String.fromCodePoint(0x3390) |
| Python | '\N{SQUARE HZ}' or chr(13200) |
| Rust | '\u{3390}' |
| C / C++ | UTF-8 source or wchar_t with U+3390 |
| Go | string(rune(0x3390)) |
| Ruby | "\u3390" |