const.id

html-entity

∞

∞

∞

HTML named character reference ∞ maps to U+221E.

Mapping

Named reference
∞
Code point(s)
U+221E
Decimal
8734
Characters
∞

Numeric character references

Named
Decimal
Hex

Usage

Prefer a named reference when the character must survive encoding mistakes or is awkward to type. Numeric references (∞) are always valid HTML for the mapped code point(s).

Related

Unicode

U+221E

Same character

Other entities

Entities that produce this code point

Source

Unicode
16.0.0
WHATWG
snapshot 2026-08-02