β
Square Root Symbol (β)
Copy the Square Root 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 radical sign β denotes the square root: β9 = 3. With an index it gives other roots. Its official Unicode name is SQUARE ROOT.
Codes and properties
| Character | β |
|---|---|
| Unicode name | SQUARE ROOT |
| Code point | U+221A |
| Decimal | 8730 |
| Unicode block | Mathematical Operators |
| HTML entity | √ Β· √ Β· √ |
| CSS | \221A |
| JavaScript / JSON | \u221A |
| Python | \u221A or \N{SQUARE ROOT} |
| UTF-8 bytes | E2 88 9A |
| LaTeX | \sqrt{x} |
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
221Athen press Alt+X. In any app, Win+. opens the symbol panel. - Mac: switch to the Unicode Hex Input keyboard, hold Option and type
221A; or press Ctrl+Cmd+Space and search βsquare rootβ. - Linux (GTK/IBus): press Ctrl+Shift+U, type
221a, then Space. - HTML:
√renders as β. - LaTeX:
\sqrt{x}in math mode (amssymb package for some symbols).
Frequently asked questions
How do I type β on Windows?
In Microsoft Word type 221A 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 √ or √ (hex) or √ (decimal).
What is the LaTeX command for β?
Use \sqrt{x} in math mode.