| Symbol Name | Kelvin Sign |
| Unicode Version | 1.1 |
| Unicode | U+212A |
| Unicode block | |
| General category | Uppercase Letter (Lu) |
| CSS Code | \212A |
| Hex Code | 0x212A |
| HTML Code | K |
| LaTeX | \mathrm{K} |
| Symbol | K |
| URL encode (UTF-8 percent) | %E2%84%AA |
| Spoken / screen reader name | Kelvin Sign |
| UTF-8 | E2 84 AA |
| UTF-16 | 212A |
| UTF-32 | 0000212A |
1\documentclass{article}2\usepackage{pifont}3\mathrm{K}4\end{document}You can type the kelvin sign symbol on most modern devices with the help of following methods:
Alt + 8490 on Windows (numeric keypad with Num Lock), or insert via Character Map.
Edit → Emoji & Symbols, search "kelvin sign", or use Unicode Hex Input with 212A.
Ctrl + Shift + U, type 212a, 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.kelvin-sign::before { content: "\212A"; }1<span>K</span>Kelvin Sign symbol's representation in different programming languages can be found in the table below:
| Language | Representation |
|---|---|
| JavaScript / TypeScript | '\u212A' or String.fromCodePoint(0x212A) |
| Python | '\N{KELVIN SIGN}' or chr(8490) |
| Rust | '\u{212A}' |
| C / C++ | UTF-8 source or wchar_t with U+212A |
| Go | string(rune(0x212A)) |
| Ruby | "\u212A" |