Mu Symbol (μ)
Copy the Mu 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?
Mu is the SI prefix micro (10⁻⁶, as in µm or µs), the coefficient of friction in mechanics, the population mean in statistics, magnetic permeability, reduced mass, and the muon particle. μ is the lowercase form of Mu, letter 12 of 24 in the Greek alphabet (pronounced MEW). Its capital counterpart is Μ. In science and maths it is used for: Micro prefix (10⁻⁶), coefficient of friction, mean.
Codes and properties
| Character | μ |
|---|---|
| Unicode name | GREEK SMALL LETTER MU |
| Code point | U+03BC |
| Decimal | 956 |
| Unicode block | Greek and Coptic |
| HTML entity | μ · μ · μ |
| CSS | \03BC |
| JavaScript / JSON | \u03BC |
| Python | \u03BC or \N{GREEK SMALL LETTER MU} |
| UTF-8 bytes | CE BC |
| 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
03BCthen press Alt+X. In any app, Win+. opens the symbol panel. - Mac: switch to the Unicode Hex Input keyboard, hold Option and type
03BC; or press Ctrl+Cmd+Space and search “greek small letter mu”. - Linux (GTK/IBus): press Ctrl+Shift+U, type
03bc, then Space. - HTML:
μrenders as μ. - LaTeX:
\muin math mode (amssymb package for some symbols).
Frequently asked questions
Is µ (micro) the same as the Greek μ?
They are visually identical and both encoded; the ‘micro sign’ is preferred for units, but the Greek mu is widely used and understood.
What is the coefficient of friction μ?
A number describing how much friction exists between two surfaces; higher μ means more grip.
How do I type μ on Windows?
In Microsoft Word type 03BC and press Alt+X. In any app press Win+. to open the symbol panel, or copy μ from this page.
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.