β
Infinity Symbol (β)
Copy the Infinity symbol β to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.
What does β mean?
The infinity symbol denotes an unbounded quantity β something without limit. It is used to describe limits that grow without bound (limΒ βΒ β), infinite intervals, and the bounds of improper integrals.
Codes and properties
| Character | β |
|---|---|
| Unicode name | INFINITY |
| Code point | U+221E |
| Decimal | 8734 |
| Unicode block | Mathematical Operators |
| HTML entity | ∞ Β· ∞ Β· ∞ |
| CSS | \221E |
| JavaScript / JSON | \u221E |
| Python | \u221E or \N{INFINITY} |
| UTF-8 bytes | E2 88 9E |
| LaTeX | \infty |
How to type β
- Copy & paste: press the Copy button above, then paste β anywhere β Word, Google Docs, email, chat or code.
- Windows (Word, WordPad, Outlook): type
221Ethen press Alt+X. In any app, Win+. opens the symbol panel. - Mac: switch to the Unicode Hex Input keyboard, hold Option and type
221E; or press Ctrl+Cmd+Space and search βinfinityβ. - Linux (GTK/IBus): press Ctrl+Shift+U, type
221e, then Space. - HTML:
∞renders as β. - LaTeX:
\inftyin math mode (amssymb package for some symbols).
Frequently asked questions
What does β mean in a limit?
That the quantity increases without bound rather than approaching a finite value.
Is infinity a number?
No β it is a concept of unboundedness, used carefully in calculus and set theory rather than as an ordinary number.
How do I type β on Windows?
In Microsoft Word type 221E and press Alt+X. In any app press Win+. to open the symbol panel, or copy β from this page.
What is the HTML code for β?
Use ∞ or ∞ (hex) or ∞ (decimal).
What is the LaTeX command for β?
Use \infty in math mode.