Unicode Character "∮" (U+222E)

The character (Contour Integral) is represented by the Unicode codepoint U+222E. It is encoded in the Mathematical Operators block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as ∮.

Main Unicode Properties

Name Contour Integral
Unicode Codepoint U+222E
Unicode Version 1.1 (June, 1993)
Block Mathematical Operators
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Other Neutral (ON)
Is mirrored? Yes

Other Unicode Data

Category Math Symbol
Script Code for undetermined script
Combining Class Not Reordered

U+222E Conversion

HTML (decimal) ∮
HTML (hex) ∮
HTML (named) ∮
URL Escape Code %E2%88%AE
CSS \00222E
JavaScript, JSON \u222E
C, C++, Java \u222E
Python \u222E
Rust \u{222E}
Ruby \u222E

How to type "∮"

  • Windows ?: Hold Alt, then type 2 2 2 E. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 2 2 2 E. Release Alt.


  • Times, Times New Roman, serif
  • Helvetica, Arial, sans-serif
  • Courier, Courier New, monospace

UTF Encodings

UTF-8 (hex) 0xE2 0x88 0xAE
UTF-16 (hex) 0x222E
UTF-32 (hex) 0x0000222E

Characters based on "∮" (U+222E)