Infinity symbol
Copy ∞ with one tap or type it with Alt + 236.
U+221E
Infinity symbol and related symbols
4 symbols, each with its codes and shortcuts.
| Symbol | Name | Code | HTML | Windows | Mac | LaTeX |
|---|---|---|---|---|---|---|
| Infinity | U+221E | ∞ | Alt + 236 | Option + 5 | \infty | |
| Permanent paper sign | U+267E | ♾ | ||||
| Incomplete infinity | U+29DC | ⧜ | ||||
| Tie over infinity | U+29DD | ⧝ |
What ∞ means
The lemniscate ∞ stands for something without end. Mathematician John Wallis introduced it in 1655. ♾ is the emoji version.
Common uses: math, love notes, tattoos and logos.
- Unicode name
- Infinity
- Code point
- U+221E
- Windows
- Alt + 236
- Mac
- Option + 5
How to type ∞
Copy and paste
Use the box at the top of the page for ∞, or the table for its relatives.
Windows
Hold Alt and type 236 on the number pad, then let go of Alt. In Word, type 221E and press Alt + X. Anywhere else, press Windows key + . (period) and search the symbols tab.
Mac
Press Option + 5. The Character Viewer (Control + Command + Space) finds any symbol by name.
iPhone and Android
Copy it from this page, or set up a text replacement in your keyboard settings so a short code like ;sym turns into the symbol.
HTML
Use ∞ or ∞.
LaTeX
Use \infty in math mode.
Questions people ask
How do I type ∞ on a keyboard?
On Windows, hold Alt and type 236 on the number pad. On a Mac, press Option + 5.
What is the HTML code for ∞?
∞ or ∞
What does ∞ mean?
The lemniscate ∞ stands for something without end. Mathematician John Wallis introduced it in 1655. ♾ is the emoji version.
Where is ∞ used?
Math, love notes, tattoos and logos.
More symbols
Updated November 13, 2026