UnicodeCharactercom
µ
U+00B5 · MICRO SIGN

Micro Sign

  • CodepointU+00B5
  • NameMICRO SIGN
  • Decimal181
  • BlockLatin-1 Supplement (U+0080–U+00FF)
  • Plane0 — Basic Multilingual Plane
  • ScriptCommon
  • CategoryLl — Lowercase Letter
  • Unicode version1.1 (1993)
  • Bidi classL — Left-to-Right
  • Combining class0
  • East Asian widthN — Neutral
  • MirroredNo

About this character

U+00B5 (µ) is MICRO SIGN, a lowercase letter in the Latin-1 Supplement 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 uppercase form is U+039C Μ.

It is a compatibility variant of U+03BC μ (compatibility decomposition <compat>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+03BC μ. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

How to type µ

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Encodings & escapes

UTF-8 encoder →
UTF-8C2 B52 bytes
UTF-1600B51 code unit
UTF-32000000B54 bytes
HTML named&micro;named character reference
HTML decimal&#181;
HTML hex&#xB5;
CSS\B5in content: "…"
JavaScript\u00B5
JSON\u00B5
Python\u00B5
Python\N{MICRO SIGN}by name
Java / C#\u00B5
C / C++\u00B5universal character name
Rust / Swift / PHP\u{B5}
Go\u00B5
Ruby\u00B5
Excel / Sheets=UNICHAR(181)
URL-encoded%C2%B5percent-encoded UTF-8
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Normalization forms

Normalizer →
NFCunchanged
NFDunchanged
NFKCU+03BC μ
NFKDU+03BC μ
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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+03BCμGreek Small Letter Mu U+1D6CD𝛍Mathematical Bold Small Mu U+1D707𝜇Mathematical Italic Small Mu U+1D741𝝁Mathematical Bold Italic Small Mu U+1D77B𝝻Mathematical Sans-Serif Bold Small Mu U+1D7B5𝞵Mathematical Sans-Serif Bold Italic Small Mu
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Nearby in Latin-1 Supplement

All in block →
U+00AF¯Macron U+00B0°Degree Sign U+00B1±Plus-Minus Sign U+00B2²Superscript Two U+00B3³Superscript Three U+00B4´Acute Accent U+00B6Pilcrow Sign U+00B7·Middle Dot U+00B8¸Cedilla U+00B9¹Superscript One U+00BAºMasculine Ordinal Indicator U+00BB»Right-Pointing Double Angle Quotation Mark