∞

Infinity Symbol

U+221E

Quick Reference
Unicode
U+221E
HTML Entity
∞
HTML Numeric
∞
CSS
\221E
JavaScript
\u221E
How to Type ∞
OSLayoutShortcut
Windows(you)UsAltGr + 8
WindowsUkAltGr + 5
WindowsGermanAltGr + 5
macOSUsOption + 5
macOSUkOption + 5
macOSGermanOption + 5
Insert Infinity Symbol in Word, Excel & Google Docs
ApplicationHow to insert Infinity Symbol
Microsoft WordType 221E, then press Alt+X
Excel / Google SheetsUse the formula =UNICHAR(8734)
Google DocsInsert → Special characters, then search "infinity symbol"
HTML∞ or ∞
CSS (content property)content: "\221E"
JavaScript"\u221E"
About Infinity Symbol

The infinity symbol represents an unbounded quantity greater than any real number. It was introduced by mathematician John Wallis in 1655.

Usage

Used in mathematics for limits, set theory, and calculus. Also used colloquially and in design to represent endlessness or eternity.

Related Symbols
πGreek Small Letter Pi∑N-Ary Summation∫Integral Sign≠Not Equal To Sign
Analyze ∞ in Symbol Spotter