UnicodeCharactercom
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U+30FC · KATAKANA-HIRAGANA PROLONGED SOUND MARK

Katakana-Hiragana Prolonged Sound Mark

  • CodepointU+30FC
  • NameKATAKANA-HIRAGANA PROLONGED SOUND MARK
  • Decimal12540
  • BlockKatakana (U+30A0–U+30FF)
  • Plane0 — Basic Multilingual Plane
  • ScriptCommon
  • CategoryLm — Modifier Letter
  • Unicode version1.1 (1993)
  • Bidi classL — Left-to-Right
  • Combining class0
  • East Asian widthW — Wide
  • MirroredNo

About this character

U+30FC (ー) is KATAKANA-HIRAGANA PROLONGED SOUND MARK, a modifier letter in the Katakana block. Its script is Common: it is shared by many writing systems rather than belonging to one. It was added in Unicode 1.1 (1993).

Its East Asian Width is Wide, so terminals and monospaced layouts give it two columns.

How to type ー

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Encodings & escapes

UTF-8 encoder →
UTF-8E3 83 BC3 bytes
UTF-1630FC1 code unit
UTF-32000030FC4 bytes
HTML decimalー
HTML hexー
CSS\30FCin content: "…"
JavaScript\u30FC
JSON\u30FC
Python\u30FC
Python\N{KATAKANA-HIRAGANA PROLONGED SOUND MARK}by name
Java / C#\u30FC
C / C++\u30FCuniversal character name
Rust / Swift / PHP\u{30FC}
Go\u30FC
Ruby\u30FC
Excel / Sheets=UNICHAR(12540)
URL-encoded%E3%83%BCpercent-encoded UTF-8
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Looks similar

Characters that Unicode’s security data (UTS #39 confusables) lists as visually confusable with this one. Useful for spotting lookalike spoofing in URLs and usernames.

U+2014—Em Dash U+2015―Horizontal Bar U+2500─Box Drawings Light Horizontal U+2501━Box Drawings Heavy Horizontal U+3161ㅡHangul Letter Eu U+FF0D－Fullwidth Hyphen-Minus U+1173ᅳHangul Jungseong Eu U+2F00⼀Kangxi Radical One U+31D0㇐CJK Stroke H U+4E00一CJK Unified Ideograph-4e00 U+A7F7ꟷLatin Epigraphic Letter Sideways I
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Characters built on ー

U+3300㌀Square Apaato U+3303㌃Square Aaru U+3307㌇Square Esukuudo U+3308㌈Square Eekaa U+330A㌊Square Oomu U+330D㌍Square Karorii U+3311㌑Square Ginii U+3312㌒Square Kyurii U+3313㌓Square Girudaa U+3316㌖Square Kiromeetoru U+331B㌛Square Kuroone U+331C㌜Square Keesu U+331E㌞Square Koopo U+3320㌠Square Santiimu U+3324㌤Square Daasu U+332B㌫Square Paasento U+332C㌬Square Paatu U+332D㌭Square Baareru U+3333㌳Square Huiito U+3336㌶Square Hekutaaru U+333B㌻Square Peezi U+333C㌼Square Beeta U+3341㍁Square Hooru U+3342㍂Square Hoon
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Nearby in Katakana

All in block →
U+30F6ヶKatakana Letter Small Ke U+30F7ヷKatakana Letter Va U+30F8ヸKatakana Letter Vi U+30F9ヹKatakana Letter Ve U+30FAヺKatakana Letter Vo U+30FB・Katakana Middle Dot U+30FDヽKatakana Iteration Mark U+30FEヾKatakana Voiced Iteration Mark U+30FFヿKatakana Digraph Koto