UnicodeCharactercom
𝜏
U+1D70F Β· MATHEMATICAL ITALIC SMALL TAU

Mathematical Italic Small Tau

  • CodepointU+1D70F
  • NameMATHEMATICAL ITALIC SMALL TAU
  • Decimal120591
  • BlockMathematical Alphanumeric Symbols (U+1D400–U+1D7FF)
  • Plane1 β€” Supplementary Multilingual Plane
  • ScriptCommon
  • CategoryLl β€” Lowercase Letter
  • Unicode version3.1 (2001)
  • Bidi classL β€” Left-to-Right
  • Combining class0
  • East Asian widthN β€” Neutral
  • MirroredNo

About this character

U+1D70F (𝜏) is MATHEMATICAL ITALIC SMALL TAU, a lowercase 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+03C4 Ο„ (compatibility decomposition <font>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+03C4 Ο„. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

How to type 𝜏

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Encodings & escapes

UTF-8 encoder β†’
UTF-8F0 9D 9C 8F4 bytes
UTF-16D835 DF0Fsurrogate pair
UTF-320001D70F4 bytes
HTML decimal&#120591;
HTML hex&#x1D70F;
CSS\1D70Fin content: "…"
JavaScript\u{1D70F}ES2015+
JavaScript\uD835\uDF0Fsurrogate pair
JSON\uD835\uDF0F
Python\U0001D70F
Python\N{MATHEMATICAL ITALIC SMALL TAU}by name
Java / C#\uD835\uDF0F
C / C++\U0001D70Funiversal character name
Rust / Swift / PHP\u{1D70F}
Go\U0001D70F
Ruby\u{1D70F}
Excel / Sheets=UNICHAR(120591)
URL-encoded%F0%9D%9C%8Fpercent-encoded UTF-8
Β§

Normalization forms

Normalizer β†’
NFCunchanged
NFDunchanged
NFKCU+03C4 Ο„
NFKDU+03C4 Ο„
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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+03C4Ο„Greek Small Letter Tau U+0442Ρ‚Cyrillic Small Letter Te U+1D6D5𝛕Mathematical Bold Small Tau U+1D749𝝉Mathematical Bold Italic Small Tau U+1D783πžƒMathematical Sans-Serif Bold Small Tau U+1D7BD𝞽Mathematical Sans-Serif Bold Italic Small Tau U+1D1Bα΄›Latin Letter Small Capital T U+AB72κ­²Cherokee Small Letter I
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Nearby in Mathematical Alphanumeric Symbols

All in block β†’
U+1D709πœ‰Mathematical Italic Small Xi U+1D70A𝜊Mathematical Italic Small Omicron U+1D70Bπœ‹Mathematical Italic Small Pi U+1D70C𝜌Mathematical Italic Small Rho U+1D70D𝜍Mathematical Italic Small Final Sigma U+1D70E𝜎Mathematical Italic Small Sigma U+1D710𝜐Mathematical Italic Small Upsilon U+1D711πœ‘Mathematical Italic Small Phi U+1D712πœ’Mathematical Italic Small Chi U+1D713πœ“Mathematical Italic Small Psi U+1D714πœ”Mathematical Italic Small Omega U+1D715πœ•Mathematical Italic Partial Differential