∞ Infinity Symbol: Copy & Paste

Unicode information

NameInfinity

Unicode nameINFINITY

Code pointU+221E

HTML decimal∞

HTML hex∞

CSS\221e

JavaScript\u221E

CategoryMath

Unicode17.0

Meaning of ∞ Infinity

The ∞ symbol represents infinity: a quantity, extent or process with no finite limit. In mathematics it is used for unbounded growth, unbounded intervals and limits tending toward infinity.

Common uses

Limits and calculus notation.
Unbounded intervals and sets.
Scientific and technical notation.
Decorative use to suggest something endless or eternal.

How to type ∞ on Windows, Mac and mobile

Windows

The universal method is to use Copy on this page and paste ∞. On Windows 10/11 you can press Win + . and browse the Symbols section, or open Character Map (charmap) to locate characters supported by your fonts.

Mac

Press Control + Command + Space to open Character Viewer, search for Infinity, then double-click it to insert the character. On compatible Mac keyboard layouts you can also use Option + 5.

Microsoft Word

Type 221E without U+, then immediately press Alt + X. Word converts the code into ∞. You can also use Insert → Symbol.

Google Docs

Open Insert → Special characters and search by name, or paste ∞ directly. For emoji, you can also use your operating system emoji picker.

iPhone / iPad

iOS does not provide a direct Unicode-code entry method for every symbol. Copy ∞ from SymbolDex or check long-press variants on related keys. For frequent use, create a shortcut under Settings → General → Keyboard → Text Replacement.

Android

Availability varies by Android keyboard. In Gboard, browse the symbols panel and long-press related keys for variants. If it is not available, copy ∞ from SymbolDex and paste it where needed.

Linux

In many Linux apps using GTK/IBus, press Ctrl + Shift + U, type 221e, then confirm with Enter or Space. If your app does not support this method, copy and paste ∞.

Web and programming codes

Copy the representation you need for HTML, CSS, JavaScript or Python. For emoji sequences, SymbolDex includes every code point in the correct order.

HTML decimal∞

HTML hex∞

CSS content\221e

JavaScript\u221E

Python\u221E

Unicode text∞

Usage examples

x → ∞

[0, ∞)

Endless possibilities ∞