∞ (INFINITY) utf-8 characterINFINITY is one of the 256 characters in the Mathematical Operators Unicode subset.
CSS: \221E ?
INFINITY in other fonts
The image below shows how the INFINITY symbol looks like in some of the most complete UTF-8 fonts: Code2000, Sun-ExtA, WenQuanYi Zen Hei and GNU Unifont. If the font in which this web site is displayed does not contain the INFINITY symbol, you can use the image below to get an idea of what it should look like.