const.id

html-entity

√

√

√

HTML named character reference √ maps to U+221A.

Mapping

Named reference
√
Code point(s)
U+221A
Decimal
8730
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+221A

Same character

Other entities

Entities that produce this code point

Source

Unicode
16.0.0
WHATWG
snapshot 2026-08-02