UnicodeCharactercom
ℏ
U+210F · PLANCK CONSTANT OVER TWO PI

Planck Constant Over Two Pi

  • CodepointU+210F
  • NamePLANCK CONSTANT OVER TWO PI
  • Decimal8463
  • BlockLetterlike Symbols (U+2100–U+214F)
  • 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+210F (ℏ) is PLANCK CONSTANT OVER TWO PI, a lowercase letter in the Letterlike Symbols 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).

It is a font variant of U+0127 ħ (compatibility decomposition <font>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+0127 ħ. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

How to type ℏ

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Encodings & escapes

UTF-8 encoder →
UTF-8E2 84 8F3 bytes
UTF-16210F1 code unit
UTF-320000210F4 bytes
HTML named&hbar;named character reference
HTML named&hslash;named character reference
HTML named&planck;named character reference
HTML decimal&#8463;
HTML hex&#x210F;
CSS\210Fin content: "…"
JavaScript\u210F
JSON\u210F
Python\u210F
Python\N{PLANCK CONSTANT OVER TWO PI}by name
Java / C#\u210F
C / C++\u210Funiversal character name
Rust / Swift / PHP\u{210F}
Go\u210F
Ruby\u210F
Excel / Sheets=UNICHAR(8463)
URL-encoded%E2%84%8Fpercent-encoded UTF-8
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Normalization forms

Normalizer →
NFCunchanged
NFDunchanged
NFKCU+0127 ħ
NFKDU+0127 ħ
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Nearby in Letterlike Symbols

All in block →
U+2109℉Degree Fahrenheit U+210AℊScript Small G U+210BℋScript Capital H U+210CℌBlack-Letter Capital H U+210DℍDouble-Struck Capital H U+210EℎPlanck Constant U+2110ℐScript Capital I U+2111ℑBlack-Letter Capital I U+2112ℒScript Capital L U+2113ℓScript Small L U+2114℔L B Bar Symbol U+2115ℕDouble-Struck Capital N