free-symbols

Infinity Symbol

The ∞ symbol represents infinity, commonly used to suggest endlessness or continuity.

U+221E

The ∞ character is the Unicode infinity symbol, named INFINITY. It’s widely used in math-inspired design, writing, and interfaces. Below you’ll find copy-ready forms and common technical codes.

Infinity Symbol Meaning

∞ is the INFINITY symbol (Unicode code point U+221E). In everyday use, it often conveys “endless” ideas—such as infinite time, unlimited options, or ongoing support. In math and logic contexts, it can represent an unbounded quantity or the concept of infinity, though the symbol itself is typically read as “infinite” rather than a specific numeric value. Because it’s visually distinctive, many people also use ∞ as a stylistic marker for themes like longevity, perpetual motion, or continuous improvement. When typing or designing, it’s best to use the correct Unicode character so it renders consistently across platforms.

Common uses

  • Marking “unlimited” plans or features in marketing copy
  • Designing logos or icons to suggest endlessness or continuity
  • Using in captions or quotes to emphasize “forever” or ongoing support
  • Representing unbounded quantities in math notes and worksheets
  • Enhancing UI text for features like “infinite scroll” or “unlimited history”

Examples

∞ Infinity Symbol (U+221E)

  • Unlimited ideas ∞
  • Support that lasts ∞
  • This path goes on forever ∞
  • Unbounded growth: x → ∞
  • Infinite scroll is enabled ∞

Variations

Ready to copy

Technical codes

UnicodeU+221E
HTML Entity∞
HTML Code∞
CSS\221E

FAQ

What does the Infinity symbol mean?

∞ is the INFINITY symbol (Unicode code point U+221E). In everyday use, it often conveys “endless” ideas—such as infinite time, unlimited options, or ongoing support. In math and logic contexts, it can represent an unbounded quantity or the concept of infinity, though the symbol itself is typically read as “infinite” rather than a specific numeric value. Because it’s visually distinctive, many people also use ∞ as a stylistic marker for themes like longevity, perpetual motion, or continuous improvement. When typing or designing, it’s best to use the correct Unicode character so it renders consistently across platforms.

What is the Unicode name and code point for ∞?

The Unicode name is INFINITY, and the code point is U+221E.

How do I enter the infinity symbol in HTML?

Use the HTML entity: ∞

What CSS or JavaScript escape can I use for ∞?

CSS escape: \\221E. JavaScript escape: \\u{221E}.

Is ∞ the same as a sideways 8 or a lemniscate?

It’s commonly described as a sideways 8, but the character you should use for reliable rendering is the Unicode INFINITY symbol (∞, U+221E).