Unicode Character "σ" (U+03C3)

The character σ (Greek Small Letter Sigma) is represented by the Unicode codepoint U+03C3. It is encoded in the Greek and Coptic block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as σ.

Main Unicode Properties

Name Greek Small Letter Sigma
Unicode Codepoint U+03C3
Unicode Version 1.1 (June, 1993)
Block Greek and Coptic
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Left To Right (L)
Is mirrored? No

Character Case

Case Lowercase
Uppercase character Σ (U+03A3)

Other Unicode Data

Category Lowercase Letter
Script Greek
Combining Class Not Reordered

U+03C3 Conversion

HTML (decimal) σ
HTML (hex) σ
HTML (named) σ
URL Escape Code %CF%83
CSS \0003C3
JavaScript, JSON \u03C3
C, C++, Java \u03C3
Python \u03C3
Rust \u{03C3}
Ruby \u03C3

How to type "σ"

  • Windows ?: Hold Alt, then type 0 3 C 3. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 0 3 C 3. Release Alt.


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

UTF Encodings

UTF-8 (hex) 0xCF 0x83
UTF-16 (hex) 0x03C3
UTF-32 (hex) 0x000003C3

Characters based on "σ" (U+03C3)