How to Type the Infinity Symbol (∞)
Fastest method: Alt+236 on Windows (with Num Lock on), or Option+5 on Mac. You can also copy the symbol directly below.
Infinity
U+221E
Windows (Alt code)
Alt+236
Word (anywhere)
221E, Alt+X
Mac (Option key)
Option+5
Unicode code point
U+221E
HTML entity
∞
FAQ
How do I type the infinity symbol (∞) on Windows?
Turn on Num Lock, hold the Alt key, then type 236 on the numeric keypad. Release Alt and the ∞ symbol appears.
How do I type the infinity symbol (∞) on Mac?
Press Option+5. This shortcut works in almost every macOS app.
How do I insert the infinity symbol (∞) in Word or Google Docs?
In Word, type 221E then immediately press Alt+X — the code turns into ∞. In Google Docs, use the Mac or Windows shortcut above, or go to Insert > Special characters.
What is the HTML code for the infinity symbol (∞)?
The HTML entity is ∞ (or the numeric code ∞) — use it directly in your source code.