β
South West Double Arrow Symbol (β)
Copy the South West Double Arrow symbol β to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.
What does β mean?
The south west double arrow (β) is an arrow character from the Unicode Arrows block that points down and to the left. Double and triple arrows are used in logic for implication and equivalence, and in mathematics for strong or repeated relations.
Codes and properties
| Character | β |
|---|---|
| Unicode name | SOUTH WEST DOUBLE ARROW |
| Code point | U+21D9 |
| Decimal | 8665 |
| Unicode block | Arrows |
| HTML entity | ⇙ Β· ⇙ |
| CSS | \21D9 |
| JavaScript / JSON | \u21D9 |
| Python | \u21D9 or \N{SOUTH WEST DOUBLE ARROW} |
| UTF-8 bytes | E2 87 99 |
| LaTeX | paste β with unicode-math (XeLaTeX/LuaLaTeX) |
How to type β
- Copy & paste: press the Copy button above, then paste β anywhere β Word, Google Docs, email, chat or code.
- Windows (Word, WordPad, Outlook): type
21D9then press Alt+X. In any app, Win+. opens the symbol panel. - Mac: switch to the Unicode Hex Input keyboard, hold Option and type
21D9; or press Ctrl+Cmd+Space and search βsouth west double arrowβ. - Linux (GTK/IBus): press Ctrl+Shift+U, type
21d9, then Space. - HTML:
⇙renders as β. - LaTeX: standard LaTeX has no dedicated command; compile with XeLaTeX or LuaLaTeX and the unicode-math package, then paste β directly.
Frequently asked questions
How do I type β on Windows?
In Microsoft Word type 21D9 and press Alt+X. In any app press Win+. to open the symbol panel, or copy β from this page.
What is the HTML code for β?
Use ⇙ (hex) or ⇙ (decimal).
What is the LaTeX command for β?
There is no standard command; use XeLaTeX or LuaLaTeX with unicode-math and paste β directly.