Infinity Symbol codes and values
| Format | Value |
|---|---|
| Unicode | U+221E |
| HTML (decimal) | ∞ |
| HTML (hex) | ∞ |
| HTML entity | ∞ |
| CSS | \221E |
| JavaScript | \u221E |
| Windows Alt code | Alt+236 |
The official Unicode name is "Infinity".
How to type the infinity symbol
Windows
- Hold Alt and type
236on the numeric keypad, then release. (Num Lock must be on.) - In Microsoft Word, type
221Eand press Alt + X to turn the code into ∞. - Or press Win + . to open the emoji and symbol panel and search for it.
Mac
- Press Control + Command + Space to open the Character Viewer and search for "infinity".
- Or add the "Unicode Hex Input" keyboard in System Settings, hold Option and type
221E.
Linux
- In GTK apps press Ctrl + Shift + U, type
221eand press Enter.
Web pages
Write ∞ or ∞ in HTML, or paste the character directly into a UTF-8 page.
Encoding details
| Encoding | Value |
|---|---|
| Code point | U+221E (decimal 8734) |
| UTF-8 bytes | E2 88 9E |
| URL encoded | %E2%88%9E |
| Category | Sm |
What the infinity symbol means
The infinity symbol represents a concept of endlessness or boundlessness. Mathematicians use it to describe limits, unbounded sets, or values that grow without any finite stopping point.
Using the infinity symbol well
Type the HTML entity ∞ or use Unicode U+221E for digital text. Verify that your document font supports mathematical symbols to avoid rendering a blank box on older systems.
Characters next to it in Unicode
| Character | Code | Name |
|---|---|---|
| ∛ | U+221B | Cube Root |
| ∜ | U+221C | Fourth Root |
| ∝ | U+221D | Proportional To |
| ∟ | U+221F | Right Angle |
| ∠ | U+2220 | Angle |
| ∡ | U+2221 | Measured Angle |
FAQ
What is the Unicode for the infinity symbol?
The infinity symbol ∞ is U+221E (Infinity).
How do I type ∞ on a keyboard?
On Windows hold Alt and type 236 on the numeric keypad. On Mac use the Character Viewer (Control + Command + Space), and on Linux use Ctrl + Shift + U then 221e.
What is the HTML code for ∞?
Use ∞ or the named entity ∞. The hexadecimal form is ∞.
More symbols
- © Copyright Symbol: previous page
- ≤ Less Than or Equal to Sign: next page
- Symbols to copy and paste: the full list