U+00B5
Micro signµ
Micro sign is a monochrome text character from the Unicode Latin-1 Supplement block, listed here under Units & Measurements. 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 "mu", "micron", "unit".
Quick facts
- Unicode
- U+00B5
- Decimal
- 181
- Hex
- 0x00B5
- Octal
- 0o265
Unicode identity
| Format | Value | Copy |
|---|---|---|
| Code pointOfficial Unicode notation | U+00B5 | |
| Official nameUnicodeData.txt, Unicode 18.0.0 | MICRO SIGN | |
| DecimalBase 10 | 181 | |
| HexadecimalBase 16 | 0x00B5 | |
| OctalBase 8 | 0o265 | |
| BinaryBase 2 | 0000000010110101 | |
| General categoryLetter, lowercase | Ll | |
| Unicode blockU+0080–U+00FF | Latin-1 Supplement | |
| Plane | Basic Multilingual Plane (BMP, Plane 0) |
HTML & CSS
| Format | Value | Copy |
|---|---|---|
| HTML entity (decimal) | µ | |
| HTML entity (hex) | µ | |
| HTML entity (named) | µ | |
| CSS content escapeUse inside content: "…" | \00B5 | |
| URL encodedPercent-encoded UTF-8 | %C2%B5 |
Programming languages
| Format | Value | Copy |
|---|---|---|
| JavaScript / TypeScript | \u00B5 | |
| JSONUTF-16 surrogate pairs | \u00B5 | |
| Python | \u00B5 | |
| Java / C# / Kotlin | \u00B5 |
Byte encodings
| Format | Value | Copy |
|---|---|---|
| UTF-82 bytes | C2 B5 | |
| UTF-16 (BE) | 00B5 | |
| UTF-32 (BE) | 000000B5 |
How to type Micro sign
Windows
Hold Alt and type +B5 with the hex numeric keypad option enabled, or type B5 then press Alt+X in Word and most Office apps.
macOS
Enable the Unicode Hex Input keyboard, hold Option, and type 00B5. Or open Character Viewer (Control+Command+Space) and search "Micro sign".
Linux
Press Ctrl+Shift+U, type b5, 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: µ in HTML, \00B5 in CSS, and \u00B5 in JavaScript.
Official Unicode reference
- Character name
- MICRO SIGN
- Block
- Latin-1 Supplement (U+0080–U+00FF)
- General category
- Ll — Letter, lowercase
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 Micro sign symbol?
Click the Copy button at the top of this page, or select µ 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 Micro sign?
Micro sign is U+00B5 (decimal 181, hexadecimal 0x00B5, octal 0o265). 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 Micro sign?
The Unicode Standard (version 18.0.0) names this character "MICRO SIGN". Its General_Category is Ll (Letter, lowercase).
What is the HTML code for Micro sign?
Use µ or µ, or the named entity µ. In CSS, use content: "\00B5".
How do I type Micro sign in code?
JavaScript: "\u00B5". Python: "\u00B5". JSON and Java: "\u00B5". The UTF-8 byte sequence is C2 B5.
Is Micro sign an emoji?
No. Micro 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.