∞

Infinity Symbol ∞

The infinity symbol, also called the lemniscate.

U+221E · INFINITY

How to type ∞

Windows Alt codeAlt + 236Hold Alt and type the number on the numeric keypad.
Word (Windows)221E → Alt + XType the code, then press Alt + X.
MacOption + 5U.S. keyboard layout.
iPhone / AndroidCopy it from this page and paste. Most phone keyboards do not have it.

∞ Unicode and HTML codes

Unicode nameINFINITY
Code pointU+221E
Unicode blockMathematical Operators
HTML entity∞
HTML numeric∞
CSScontent: "\221E";
JavaScript"\u221E"
Python"\u221E" · "\N{INFINITY}"
UTF-8 bytesE2 88 9E

Related symbols: Math

×Multiplication Sign
÷Division Sign
≠Not Equal To
≈Almost Equal To
≡Identical To
≤Less-Than or Equal To
≥Greater-Than or Equal To
±Plus-Minus Sign
√Square Root
∑Summation
∫Integral
∂Partial Differential
∆Increment (Delta)
∇Nabla
∈Element Of
∉Not an Element Of
⊂Subset Of
∪Union
∩Intersection
∧Logical And
∨Logical Or
¬Not Sign
∀For All
∃There Exists

FAQ

How do I type ∞ on Windows?

Hold Alt and type 236 on the numeric keypad. In Word you can also type 221E and press Alt+X.

How do I type ∞ on a Mac?

Press Option + 5 on the U.S. keyboard layout.

What is the HTML code for ∞?

∞ or ∞. In CSS use content: "\221E".

The exact look of a symbol depends on the font and device.