Unicode Character "Ё" (U+0401)

The character Ё (Cyrillic Capital Letter Io) is represented by the Unicode codepoint U+0401. It is encoded in the Cyrillic block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as Ё.

Main Unicode Properties

Name Cyrillic Capital Letter Io
Unicode Codepoint U+0401
Unicode Version 1.1 (June, 1993)
Block Cyrillic
Plane Basic Multilingual Plane

Bidirectional Data

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

Character Case

Case Uppercase
Lowercase character ё (U+0451)

Other Unicode Data

Category Uppercase Letter
Script Cyrillic
Combining Class Not Reordered
Decomposition mapping

U+0401 Conversion

HTML (decimal) Ё
HTML (hex) Ё
HTML (named) Ё
URL Escape Code %D0%81
CSS \000401
JavaScript, JSON \u0401
C, C++, Java \u0401
Python \u0401
Rust \u{0401}
Ruby \u0401

How to type "Ё"

  • Windows ?: Hold Alt, then type 0 4 0 1. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 0 4 0 1. Release Alt.


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

UTF Encodings

UTF-8 (hex) 0xD0 0x81
UTF-16 (hex) 0x0401
UTF-32 (hex) 0x00000401