Windows
2 options- In Word / Outlook: type 221A then press Alt + X.
- Anywhere: press Win + . to open the emoji & symbol picker, then search.
A symbol from the Math Symbols collection. Click the symbol or the button below to copy.
Download Square Root as a vector SVG or a raster PNG.
SVG uses the system font stack — open in any vector editor and convert to outlines if needed. PNGs have a transparent background.
22 of 58 in the math symbols collection
Representing the radical sign, the √ symbol is most commonly referred to as the square root. In spoken language, it is typically read as "the square root of" or "radical" when it precedes a number. It belongs to the Mathematical Operators block and is categorized as a common script character used globally to denote the operation of finding a number that, when multiplied by itself, equals the specified value.
In practical application, this symbol appears frequently in educational textbooks, scientific papers, and engineering documentation to express algebraic formulas and geometric calculations. Beyond formal mathematics, it is often repurposed in digital communications and social media as a stylized checkmark to indicate completion or correctness. Programmers may also use it in source code comments or documentation to represent roots when specific LaTeX formatting is unavailable.
Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.
Every form of this character — for HTML, CSS, JavaScript, URLs and more. Click any value to copy.
√ square root lives inside the Mathematical Operators Unicode block. Browse every indexed character in Mathematical Operators →
Other math symbols you can copy and paste — explore similar Unicode characters from the same family.
Browse other symbol families that pair well with math symbols.