Character
∞
Unicode
U+221EHTML named
∞HTML decimal
∞LaTeX
\inftyInfinity Symbol (∞) — Copy & Paste
Limits, extended real line, and “unbounded” notation.
Technical reference
Tap the icon beside any value to place it on your clipboard.
Common uses
Limits & calculus
Common in limit statements such as x → ∞.
Unbounded quantities
Marks “no finite bound” in math, physics, and informal notes.
More math symbols
Looking for Greek letters? See the greek symbol table or the alphabet chart.