Square Root is the Unicode character √ at codepoint U+221A in the Mathematical Operators block of the Basic Multilingual Plane (BMP). Click the character above to copy it to your clipboard — or use one of the
encodings below to embed it in HTML, CSS, JavaScript, Python or plain text.
Technical Reference
| Unicode Codepoint | |
| Decimal | |
| UTF-8 (hex) | |
| UTF-16 (hex) | |
| HEX Entity | |
| HTML Entity | |
| CSS (\xxxx) | |
| JavaScript | |
| Python |
How to Use Square Root
To use the Square Root symbol (√) in HTML, insert the
entity √ directly into your markup. The decimal entity √ works in any HTML-serialised document.
In CSS pseudo-elements use content: '\221A';.
In JavaScript and TypeScript the escape '\u221A' evaluates to √. In Python source, write '\u221A'.
The character encodes to E2 88 9A as UTF-8 bytes and 221A as UTF-16 code units. Its decimal codepoint is 8730.
This is a text-based Unicode character. It will render in the current font on most platforms. If a font lacks this glyph, the browser may show a placeholder or fall back to a system font.