Micro Symbol (µ)
Copy the Micro symbol µ to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.
What does µ mean?
The micro sign is the SI prefix micro (10⁻⁶), as in µm, µs and µg. Unicode treats it as equivalent to the Greek letter μ (U+03BC), which is preferred in new text. Its official Unicode name is MICRO SIGN.
Codes and properties
| Character | µ |
|---|---|
| Unicode name | MICRO SIGN |
| Code point | U+00B5 |
| Decimal | 181 |
| Unicode block | Latin-1 Supplement |
| HTML entity | µ · µ · µ |
| CSS | \00B5 |
| JavaScript / JSON | \u00B5 |
| Python | \u00B5 or \N{MICRO SIGN} |
| UTF-8 bytes | C2 B5 |
| LaTeX | \mu |
How to type µ
- Copy & paste: press the Copy button above, then paste µ anywhere — Word, Google Docs, email, chat or code.
- Windows (Word, WordPad, Outlook): type
00B5then press Alt+X. In any app, Win+. opens the symbol panel. - Windows Alt code: hold Alt and type
0181(or230) on the numeric keypad (Num Lock on), then release Alt. Works in Word, Notepad and most desktop apps. - Mac shortcut: press Option+M (US keyboard layout).
- Mac (any symbol): switch to the Unicode Hex Input keyboard, hold Option and type
00B5; or press Ctrl+Cmd+Space and search “micro sign”. - Linux (GTK/IBus): press Ctrl+Shift+U, type
00b5, then Space. - HTML:
µrenders as µ. - LaTeX:
\muin math mode (amssymb package for some symbols).
Frequently asked questions
How do I type µ on Windows?
In Microsoft Word type 00B5 and press Alt+X. In any app press Win+. to open the symbol panel, or copy µ from this page. You can also hold Alt and type 0181 on the numeric keypad.
How do I type µ on a Mac?
Press Option + M on a US keyboard layout, or open the Character Viewer with Ctrl+Cmd+Space and search for it.
What is the HTML code for µ?
Use µ or µ (hex) or µ (decimal).
What is the LaTeX command for µ?
Use \mu in math mode.
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Reference: Unicode code chart: Latin-1 Supplement (U+0080–U+00FF)