UnicodeCharactercom
Ё
U+0401 · CYRILLIC CAPITAL LETTER IO

Cyrillic Capital Letter Io

  • CodepointU+0401
  • NameCYRILLIC CAPITAL LETTER IO
  • Decimal1025
  • BlockCyrillic (U+0400–U+04FF)
  • Plane0 — Basic Multilingual Plane
  • ScriptCyrillic
  • CategoryLu — Uppercase Letter
  • Unicode version1.1 (1993)
  • Bidi classL — Left-to-Right
  • Combining class0
  • East Asian widthA — Ambiguous
  • MirroredNo

About this character

U+0401 (Ё) is CYRILLIC CAPITAL LETTER IO, an uppercase letter in the Cyrillic block. It belongs to the Cyrillic script. It was added in Unicode 1.1 (1993).

Its lowercase form is U+0451 ё.

It is precomposed. Under NFD it decomposes into U+0415 Е + U+0308 ◌̈, and NFC recombines that sequence into this single codepoint, so both spellings are canonically equivalent and should compare equal after normalization. See the normalization guide.

How to type Ё

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Encodings & escapes

UTF-8 encoder →
UTF-8D0 812 bytes
UTF-1604011 code unit
UTF-32000004014 bytes
HTML namedЁnamed character reference
HTML decimalЁ
HTML hexЁ
CSS\401in content: "…"
JavaScript\u0401
JSON\u0401
Python\u0401
Python\N{CYRILLIC CAPITAL LETTER IO}by name
Java / C#\u0401
C / C++\u0401universal character name
Rust / Swift / PHP\u{401}
Go\u0401
Ruby\u0401
Excel / Sheets=UNICHAR(1025)
URL-encoded%D0%81percent-encoded UTF-8
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Normalization forms

Normalizer →
NFCunchanged
NFDU+0415 Е + U+0308 ◌̈
NFKCunchanged
NFKDU+0415 Е + U+0308 ◌̈
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Nearby in Cyrillic

All in block →
U+0400ЀCyrillic Capital Letter Ie with Grave U+0402ЂCyrillic Capital Letter Dje U+0403ЃCyrillic Capital Letter Gje U+0404ЄCyrillic Capital Letter Ukrainian Ie U+0405ЅCyrillic Capital Letter Dze U+0406ІCyrillic Capital Letter Byelorussian-Ukrainian I U+0407ЇCyrillic Capital Letter Yi