√
Square Root Symbol √
The radical sign for square roots.
How to type √
| Windows Alt code | Alt + 251Hold Alt and type the number on the numeric keypad. |
|---|---|
| Word (Windows) | 221A → Alt + XType the code, then press Alt + X. |
| Mac | Option + VU.S. keyboard layout. |
| iPhone / Android | Copy it from this page and paste. Most phone keyboards do not have it. |
√ Unicode and HTML codes
| Unicode name | SQUARE ROOT |
|---|---|
| Code point | U+221A |
| Unicode block | Mathematical Operators |
| HTML entity | √ |
| HTML numeric | √ |
| CSS | content: "\221A"; |
| JavaScript | "\u221A" |
| Python | "\u221A" · "\N{SQUARE ROOT}" |
| UTF-8 bytes | E2 88 9A |
Related symbols: Math
FAQ
How do I type √ on Windows?
Hold Alt and type 251 on the numeric keypad. In Word you can also type 221A and press Alt+X.
How do I type √ on a Mac?
Press Option + V on the U.S. keyboard layout.
What is the HTML code for √?
√ or √. In CSS use content: "\221A".
The exact look of a symbol depends on the font and device.