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Infinity symbol ∞ — HTML code and how to type it

The infinity symbol ∞ is ∞ in HTML and U+221E in Unicode. Copy any form below.

Updated

Character∞
HTML named entity∞
HTML decimal∞
HTML hex∞
UnicodeU+221E
CSS content"\221E"
JavaScript"\u221E"
URL encoded%E2%88%9E
UTF-8 bytesE2 88 9E

When to use it

Infinity in maths, and “unlimited” in plans and pricing tables.

In HTML, CSS and JavaScript

<p>&infin;</p>           <!-- or the character itself in a UTF-8 page -->

.note::before { content: "\221E"; }

const s = "\u221E";

In a page saved as UTF-8 (the default today) you can paste the character directly; the entity is only needed when it must survive a non-UTF-8 system. Encode or decode whole texts with the HTML Entity Encoder.

How to type infinity symbol

  • Windows: press Win + . to open the emoji and symbol panel and search for it, or type 221E then Alt + X in Word.
  • Mac: Option + 5 (US keyboard layout).
  • Linux: Ctrl + Shift + U, then 221E and Enter.
HTML Entity EncoderEscape < > & " so text is safe to show in HTML, convert accents and symbols to named or numeric entities, or decode entity-filled HTML back to plain text.
Open the tool

Frequently asked questions

What is the HTML code for the infinity symbol?
&infin; (named), &#8734; (decimal) or &#x221E; (hex). All three produce the same character.
What is the Unicode for the infinity symbol?
U+221E. In CSS write "\221E" and in JavaScript "\u221E".
How do I type the infinity symbol on a keyboard?
On Windows open the symbol panel with Win + . and search for it. On a Mac press Option + 5.