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∞ Infinity

∞

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Copy the same Unicode content as a raw character, U+ code point, HTML, JavaScript, CSS, Python or URL encoding.

Character∞
UnicodeU+221E
Decimal8734
Hex0x221E
HTML decimal∞
HTML hex∞
JavaScript\u221E
CSS\221E
Python\u221E
URL%E2%88%9E

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Unicode information

NameInfinity
Unicode nameINFINITY
Code pointU+221E
HTML decimal∞
HTML hex∞
CSS\221e
JavaScript\u221E
CategoryMath
Unicode18.0

Unicode context

BlockMathematical OperatorsExplore this group →ScriptCommonExplore this group →PlaneBasic Multilingual PlaneExplore this group →

Useful tools for this character

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Symbol comparatorCompare similar Unicode characters side by side: glyph, code point, official name, block, script, UTF-8, HTML and JavaScript.→Unicode character lookupIdentify characters, U+ code points, HTML and JavaScript escapes.→Unicode character inspectorInspect U+ code points, blocks, scripts, bytes and escapes.→

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 ∞

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