U+2300
Diameter sign⌀
Diameter sign is a monochrome text character from the Unicode Miscellaneous Technical block, listed here under Keyboard Keys. 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 "circle", "measure".
Quick facts
- Unicode
- U+2300
- Decimal
- 8960
- Hex
- 0x2300
- Octal
- 0o21400
Unicode identity
| Format | Value | Copy |
|---|---|---|
| Code pointOfficial Unicode notation | U+2300 | |
| Official nameUnicodeData.txt, Unicode 18.0.0 | DIAMETER SIGN | |
| DecimalBase 10 | 8960 | |
| HexadecimalBase 16 | 0x2300 | |
| OctalBase 8 | 0o21400 | |
| BinaryBase 2 | 0010001100000000 | |
| General categorySymbol, other | So | |
| Unicode blockU+2300–U+23FF | Miscellaneous Technical | |
| Plane | Basic Multilingual Plane (BMP, Plane 0) |
HTML & CSS
| Format | Value | Copy |
|---|---|---|
| HTML entity (decimal) | ⌀ | |
| HTML entity (hex) | ⌀ | |
| CSS content escapeUse inside content: "…" | \2300 | |
| URL encodedPercent-encoded UTF-8 | %E2%8C%80 |
Programming languages
| Format | Value | Copy |
|---|---|---|
| JavaScript / TypeScript | \u2300 | |
| JSONUTF-16 surrogate pairs | \u2300 | |
| Python | \u2300 | |
| Java / C# / Kotlin | \u2300 |
Byte encodings
| Format | Value | Copy |
|---|---|---|
| UTF-83 bytes | E2 8C 80 | |
| UTF-16 (BE) | 2300 | |
| UTF-32 (BE) | 00002300 |
How to type Diameter sign
Windows
Hold Alt and type +2300 with the hex numeric keypad option enabled, or type 2300 then press Alt+X in Word and most Office apps.
macOS
Enable the Unicode Hex Input keyboard, hold Option, and type 2300. Or open Character Viewer (Control+Command+Space) and search "Diameter sign".
Linux
Press Ctrl+Shift+U, type 2300, 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: ⌀ in HTML, \2300 in CSS, and \u2300 in JavaScript.
Official Unicode reference
- Character name
- DIAMETER SIGN
- Block
- Miscellaneous Technical (U+2300–U+23FF)
- General category
- So — Symbol, other
Data from the Unicode Character Database, version 18.0.0. See the official code chart for the Miscellaneous Technical block: U2300.pdf (PDF, unicode.org).
Frequently asked questions
How do I copy the Diameter sign symbol?
Click the Copy button at the top of this page, or select ⌀ 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 Diameter sign?
Diameter sign is U+2300 (decimal 8960, hexadecimal 0x2300, octal 0o21400). It lives in the Miscellaneous Technical block (U+2300–U+23FF) of the Basic Multilingual Plane (BMP, Plane 0).
What is the official Unicode name of Diameter sign?
The Unicode Standard (version 18.0.0) names this character "DIAMETER SIGN". Its General_Category is So (Symbol, other).
What is the HTML code for Diameter sign?
Use ⌀ or ⌀. In CSS, use content: "\2300".
How do I type Diameter sign in code?
JavaScript: "\u2300". Python: "\u2300". JSON and Java: "\u2300". The UTF-8 byte sequence is E2 8C 80.
Is Diameter sign an emoji?
No. Diameter sign 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.