√

Square Root Sign

U+221A

Quick Reference
Unicode
U+221A
HTML Entity
√
HTML Numeric
√
CSS
\221A
JavaScript
\u221A
How to Type √
OSLayoutShortcut
Windows(you)UsAltGr + V
WindowsUkAltGr + V
WindowsGermanAltGr + V
macOSUsOption + V
macOSUkOption + V
macOSGermanOption + V
About Square Root Sign

The radical sign denotes the square root of a number. For example, √9 = 3.

Usage

Used in mathematics, engineering, and science. Extended forms include cube root (∛) and fourth root (∜).

Related Symbols
πGreek Small Letter Pi∑N-Ary Summation±Plus-Minus Sign≠Not Equal To Sign
Analyze √ in Symbol Spotter