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Infinity symbol ∞ copy and paste

Copy the infinity sign ∞ and related math and logic symbols with one click, and learn the shortcuts to type ∞ on Windows, Mac, in Word and in HTML.

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What to do next

How to use it

  1. Click ∞ to copy it.
  2. Paste it into your text or equation.
  3. Or type it with the shortcut for your device.
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How to type the infinity symbol

WhereHow
Windows (U.S.)Hold Alt and type 236 on the numeric keypad
MacOption + 5
Microsoft WordType 221E, then Alt + X (or the Equation editor: \infty)
HTML∞ or ∞
LaTeX\infty
PhoneCopy from this page; some keyboards also offer it under symbols

Meaning and history

The lemniscate ∞ was introduced as the symbol for infinity by the English mathematician John Wallis in 1655. In math it describes something without bound: a limit as x → ∞, an infinite sum, or an interval like [0, ∞). Outside math it stands for eternity and endless love, and it's a popular tattoo and jewelry motif. The ♾️ emoji (U+267E, originally the "permanent paper" sign) is often used the same way in messages.

Related symbols

The page also includes infinity variants (⧜ ⧝ ⧞), aleph ℵ for infinite cardinal numbers, proportional to ∝ (which looks similar but means something different), the empty set ∅, and logic symbols: for all ∀, there exists ∃, not ¬, and ∧, or ∨, XOR ⊕, therefore ∴ and because ∵. For more, see math symbols.

How to copy and paste

Click a symbol on this page and it's copied to your clipboard right away. Then:

  • Windows: click where you want it and press Ctrl + V.
  • Mac: press Cmd + V.
  • iPhone and Android: tap and hold in the text field, then tap Paste.

The panel that opens after a click also lets you copy the HTML code instead, or add the symbol to the Your text box at the bottom so you can combine several symbols and words and copy them all at once. Symbols you've used recently appear at the top of the page, stored only in your browser.

Infinity in everyday use

Besides math, ∞ shows up in product names, logos and phrases like "friends ∞" or "love you to ∞ and beyond". In spreadsheets you can't calculate with ∞, but you can display it as text for "unlimited" plans or quantities. In programming, most languages have a special value for infinity (for example Infinity in JavaScript or float('inf') in Python) rather than the ∞ character.

Frequently asked questions

How do I type ∞ on Windows?

Hold Alt and type 236 on the numeric keypad. This works on U.S. English Windows.

How do I type ∞ on a Mac?

Press Option + 5.

What is the HTML code for infinity?

∞ or ∞.

Is ∝ the same as ∞?

No. ∝ means "proportional to"; ∞ means infinity.

Sources

Last updated: November 12, 2026

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