Copy & encode
Character
∞Unicode codepoint
U+221EHTML named entity
∞HTML decimal entity
∞HTML hex entity
∞CSS escape
\221EJavaScript escape
\u221EMeaning and usage
It is used in math to describe limits and unbounded values, and informally to mean endless or unlimited, such as an infinity pool or an unlimited data plan icon.
Frequently Asked Questions
What is the HTML entity for the infinity symbol?
Use ∞ or ∞.
Who created the infinity symbol?
The sideways figure-eight was introduced by mathematician John Wallis in 1655 to represent an unbounded quantity.