β
Rightwards Arrow over Leftwards Arrow Symbol (β)
Copy the Rightwards Arrow over Leftwards 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 rightwards arrow over leftwards arrow shows a two-way process or exchange, and is sometimes used for reversible reactions. Its official Unicode name is RIGHTWARDS ARROW OVER LEFTWARDS ARROW.
Codes and properties
| Character | β |
|---|---|
| Unicode name | RIGHTWARDS ARROW OVER LEFTWARDS ARROW |
| Code point | U+21C4 |
| Decimal | 8644 |
| Unicode block | Arrows |
| HTML entity | ⇄ Β· ⇄ |
| CSS | \21C4 |
| JavaScript / JSON | \u21C4 |
| Python | \u21C4 or \N{RIGHTWARDS ARROW OVER LEFTWARDS ARROW} |
| UTF-8 bytes | E2 87 84 |
| LaTeX | \rightleftarrows |
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
21C4then press Alt+X. In any app, Win+. opens the symbol panel. - Mac: switch to the Unicode Hex Input keyboard, hold Option and type
21C4; or press Ctrl+Cmd+Space and search βrightwards arrow over leftwards arrowβ. - Linux (GTK/IBus): press Ctrl+Shift+U, type
21c4, then Space. - HTML:
⇄renders as β. - LaTeX:
\rightleftarrowsin math mode (amssymb package for some symbols).
Frequently asked questions
How do I type β on Windows?
In Microsoft Word type 21C4 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?
Use \rightleftarrows in math mode.