Square Root
√
Shortcodes
Copy useful codes for square root symbol √ to use in websites, apps, blogs, and docs.
Unicode
U+221A Alt Code
251 HTML Code
√ HEX Code
√ CSS Code
\221A JS/JSON
\u221A Unix/C/PHP/JAVA
0x221A URL-encode
%E2%88%9A Customize Square Root
Customize √, download it as SVG or PNG, or copy the generated HTML snippet.
√
How to use Square Root Symbol in HTML, CSS, and JS
Insert in HTML
1. Direct symbol:
<span>√</span> HTML Code:
<span>√</span> HEX Code:
<span>√</span>Add with CSS
.square-root::before {
content: '\\221A';
}Set it in JavaScript
document.querySelector('.square-root').textContent = '√';