UnicodeCharactercom
Ω
U+03A9 · GREEK CAPITAL LETTER OMEGA

Greek Capital Letter Omega

  • CodepointU+03A9
  • NameGREEK CAPITAL LETTER OMEGA
  • Decimal937
  • BlockGreek and Coptic (U+0370–U+03FF)
  • Plane0 — Basic Multilingual Plane
  • ScriptGreek
  • CategoryLu — Uppercase Letter
  • Unicode version1.1 (1993)
  • Bidi classL — Left-to-Right
  • Combining class0
  • East Asian widthA — Ambiguous
  • MirroredNo

About this character

U+03A9 (Ω) is GREEK CAPITAL LETTER OMEGA, an uppercase letter in the Greek and Coptic block. It belongs to the Greek script. It was added in Unicode 1.1 (1993).

Its lowercase form is U+03C9 ω.

How to type Ω

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Encodings & escapes

UTF-8 encoder →
UTF-8CE A92 bytes
UTF-1603A91 code unit
UTF-32000003A94 bytes
HTML namedΩnamed character reference
HTML namedΩnamed character reference
HTML decimalΩ
HTML hexΩ
CSS\3A9in content: "…"
JavaScript\u03A9
JSON\u03A9
Python\u03A9
Python\N{GREEK CAPITAL LETTER OMEGA}by name
Java / C#\u03A9
C / C++\u03A9universal character name
Rust / Swift / PHP\u{3A9}
Go\u03A9
Ruby\u03A9
Excel / Sheets=UNICHAR(937)
URL-encoded%CE%A9percent-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+2126ΩOhm Sign U+1D6C0𝛀Mathematical Bold Capital Omega U+1D6FA𝛺Mathematical Italic Capital Omega U+1D734𝜴Mathematical Bold Italic Capital Omega U+1D76E𝝮Mathematical Sans-Serif Bold Capital Omega U+1D7A8𝞨Mathematical Sans-Serif Bold Italic Capital Omega U+162FᘯCanadian Syllabics Carrier Lho U+1635ᘵCanadian Syllabics Carrier Tlho U+102B6𐊶Carian Letter Tt2
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Characters built on Ω

U+038FΏGreek Capital Letter Omega with Tonos U+1F68ὨGreek Capital Letter Omega with Psili U+1F69ὩGreek Capital Letter Omega with Dasia U+1FFAῺGreek Capital Letter Omega with Varia U+1FFCῼGreek Capital Letter Omega with Prosgegrammeni U+2126ΩOhm Sign U+33C0㏀Square K Ohm U+33C1㏁Square M Ohm U+1D6C0𝛀Mathematical Bold Capital Omega U+1D6FA𝛺Mathematical Italic Capital Omega U+1D734𝜴Mathematical Bold Italic Capital Omega U+1D76E𝝮Mathematical Sans-Serif Bold Capital Omega U+1D7A8𝞨Mathematical Sans-Serif Bold Italic Capital Omega
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Nearby in Greek and Coptic

All in block →
U+03A3ΣGreek Capital Letter Sigma U+03A4ΤGreek Capital Letter Tau U+03A5ΥGreek Capital Letter Upsilon U+03A6ΦGreek Capital Letter Phi U+03A7ΧGreek Capital Letter Chi U+03A8ΨGreek Capital Letter Psi U+03AAΪGreek Capital Letter Iota with Dialytika U+03ABΫGreek Capital Letter Upsilon with Dialytika U+03ACάGreek Small Letter Alpha with Tonos U+03ADέGreek Small Letter Epsilon with Tonos U+03AEήGreek Small Letter Eta with Tonos U+03AFίGreek Small Letter Iota with Tonos