U+00B9

Superscript one¹

Superscript one is a monochrome text character from the Unicode Latin-1 Supplement block, listed here under Numbers. Copy it with one click, or use the hex, octal, decimal and HTML entity codes below to embed it in web pages, code, and documents. It is often searched for as "number", "1", "power", "exponent".

Quick facts

Unicode
U+00B9
Decimal
185
Hex
0x00B9
Octal
0o271

Unicode identity

FormatValueCopy
Code pointOfficial Unicode notationU+00B9
Official nameUnicodeData.txt, Unicode 18.0.0SUPERSCRIPT ONE
Unicode 1.0 nameLegacy aliasSUPERSCRIPT DIGIT ONE
DecimalBase 10185
HexadecimalBase 160x00B9
OctalBase 80o271
BinaryBase 20000000010111001
General categoryNumber, otherNo
Unicode blockU+0080–U+00FFLatin-1 Supplement
PlaneBasic Multilingual Plane (BMP, Plane 0)

HTML & CSS

FormatValueCopy
HTML entity (decimal)¹
HTML entity (hex)¹
HTML entity (named)¹
CSS content escapeUse inside content: "…"\00B9
URL encodedPercent-encoded UTF-8%C2%B9

Programming languages

FormatValueCopy
JavaScript / TypeScript\u00B9
JSONUTF-16 surrogate pairs\u00B9
Python\u00B9
Java / C# / Kotlin\u00B9

Byte encodings

FormatValueCopy
UTF-82 bytesC2 B9
UTF-16 (BE)00B9
UTF-32 (BE)000000B9

How to type Superscript one

  • Windows

    Hold Alt and type +B9 with the hex numeric keypad option enabled, or type B9 then press Alt+X in Word and most Office apps.

  • macOS

    Enable the Unicode Hex Input keyboard, hold Option, and type 00B9. Or open Character Viewer (Control+Command+Space) and search "Superscript one".

  • Linux

    Press Ctrl+Shift+U, type b9, then press Space or Enter in GTK apps. IBus and most terminals support the same sequence.

  • HTML, CSS & code

    Paste the character directly, or use the escapes above: ¹ in HTML, \00B9 in CSS, and \u00B9 in JavaScript.

Official Unicode reference

Character name
SUPERSCRIPT ONE
Unicode 1.0 name
SUPERSCRIPT DIGIT ONE
Block
Latin-1 Supplement (U+0080–U+00FF)
General category
No — Number, other

Data from the Unicode Character Database, version 18.0.0. See the official code chart for the Latin-1 Supplement block: U0080.pdf (PDF, unicode.org).

Frequently asked questions

How do I copy the Superscript one symbol?

Click the Copy button at the top of this page, or select ¹ and press Ctrl+C (Cmd+C on Mac). It is plain Unicode text, so it pastes into documents, chats, code, and design tools.

What is the Unicode code point for Superscript one?

Superscript one is U+00B9 (decimal 185, hexadecimal 0x00B9, octal 0o271). It lives in the Latin-1 Supplement block (U+0080–U+00FF) of the Basic Multilingual Plane (BMP, Plane 0).

What is the official Unicode name of Superscript one?

The Unicode Standard (version 18.0.0) names this character "SUPERSCRIPT ONE"; its Unicode 1.0 name was "SUPERSCRIPT DIGIT ONE". Its General_Category is No (Number, other).

What is the HTML code for Superscript one?

Use ¹ or ¹, or the named entity ¹. In CSS, use content: "\00B9".

How do I type Superscript one in code?

JavaScript: "\u00B9". Python: "\u00B9". JSON and Java: "\u00B9". The UTF-8 byte sequence is C2 B9.

Is Superscript one an emoji?

No. Superscript one is a text symbol and renders as a monochrome glyph in the current font. Some platforms may offer an emoji variant when U+FE0F is appended.

Related symbols in Numbers

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