U+221C
Fourth Root
Fourth root is Unicode code point U+221C, written ∜. Copy it with the button below and paste it anywhere text goes; the code table further down covers HTML, CSS, JavaScript and, where one exists, a Windows alt code.
| Symbol | ∜ | |
|---|---|---|
| Unicode | U+221C | |
| Name | Fourth Root | |
| HTML (decimal) | ∜ | |
| HTML (hex) | ∜ | |
| CSS content | \221C | |
| JavaScript / JSON | \u221C | |
| UTF-8 bytes | 0xE2 0x88 0x9C | |
| UTF-16 units | 0x221C |
How to type the fourth root symbol
- Copy and paste: click the ∜ at the top of this page, then paste with Ctrl+V (Windows) or Cmd+V (Mac). This is the fastest route on any device.
- HTML: write
∜in your markup. - CSS: use
content: "\221C"in a::beforeor::afterrule. - JavaScript: the escape
\u221Cproduces this character in a string.
Frequently asked questions
How do I copy the fourth root symbol?
Click the ∜ above or the copy button and it is placed on your clipboard. Paste it anywhere with Ctrl+V or Cmd+V. It is a real text character, so it works in documents, chats and code.
What is the Unicode code point for fourth root?
The fourth root has the Unicode code point U+221C. In HTML you can write it as ∜ or ∜.
Can I use the fourth root symbol in HTML and CSS?
Yes. In HTML write ∜, and in CSS use content: "\221C" inside a ::before or ::after rule. The code table on this page has copy buttons for both.
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