UnicodeCharactercom
𝙸
U+1D678 Β· MATHEMATICAL MONOSPACE CAPITAL I

Mathematical Monospace Capital I

  • CodepointU+1D678
  • NameMATHEMATICAL MONOSPACE CAPITAL I
  • Decimal120440
  • BlockMathematical Alphanumeric Symbols (U+1D400–U+1D7FF)
  • Plane1 β€” Supplementary Multilingual Plane
  • ScriptCommon
  • CategoryLu β€” Uppercase Letter
  • Unicode version3.1 (2001)
  • Bidi classL β€” Left-to-Right
  • Combining class0
  • East Asian widthN β€” Neutral
  • MirroredNo

About this character

U+1D678 (𝙸) is MATHEMATICAL MONOSPACE CAPITAL I, an uppercase letter in the Mathematical Alphanumeric Symbols block. Its script is Common: it is shared by many writing systems rather than belonging to one. It was added in Unicode 3.1 (2001).

It is a font variant of U+0049 I (compatibility decomposition <font>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+0049 I. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

How to type 𝙸

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Encodings & escapes

UTF-8 encoder β†’
UTF-8F0 9D 99 B84 bytes
UTF-16D835 DE78surrogate pair
UTF-320001D6784 bytes
HTML decimal&#120440;
HTML hex&#x1D678;
CSS\1D678in content: "…"
JavaScript\u{1D678}ES2015+
JavaScript\uD835\uDE78surrogate pair
JSON\uD835\uDE78
Python\U0001D678
Python\N{MATHEMATICAL MONOSPACE CAPITAL I}by name
Java / C#\uD835\uDE78
C / C++\U0001D678universal character name
Rust / Swift / PHP\u{1D678}
Go\U0001D678
Ruby\u{1D678}
Excel / Sheets=UNICHAR(120440)
URL-encoded%F0%9D%99%B8percent-encoded UTF-8
Β§

Normalization forms

Normalizer β†’
NFCunchanged
NFDunchanged
NFKCU+0049 I
NFKDU+0049 I
Β§

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+00311Digit One U+0049ILatin Capital Letter I U+006ClLatin Small Letter L U+007C|Vertical Line U+0196Ζ–Latin Capital Letter Iota U+01C0Η€Latin Letter Dental Click U+0399Ξ™Greek Capital Letter Iota U+0406Π†Cyrillic Capital Letter Byelorussian-Ukrainian I U+04C0Σ€Cyrillic Letter Palochka U+05C0Χ€Hebrew Punctuation Paseq U+05D5Χ•Hebrew Letter Vav U+05DFןHebrew Letter Final Nun U+0627Ψ§Arabic Letter Alef U+0661Ω‘Arabic-Indic Digit One U+06F1Ϋ±Extended Arabic-Indic Digit One U+16C1ᛁRunic Letter Isaz Is Iss I
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Nearby in Mathematical Alphanumeric Symbols

All in block β†’
U+1D672𝙲Mathematical Monospace Capital C U+1D673𝙳Mathematical Monospace Capital D U+1D674𝙴Mathematical Monospace Capital E U+1D675𝙡Mathematical Monospace Capital F U+1D676𝙢Mathematical Monospace Capital G U+1D677𝙷Mathematical Monospace Capital H U+1D679𝙹Mathematical Monospace Capital J U+1D67A𝙺Mathematical Monospace Capital K U+1D67B𝙻Mathematical Monospace Capital L U+1D67C𝙼Mathematical Monospace Capital M U+1D67D𝙽Mathematical Monospace Capital N U+1D67E𝙾Mathematical Monospace Capital O