µ

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

Characterµ
Unicode nameMICRO SIGN
Code pointU+00B5
Decimal181
Unicode blockLatin-1 Supplement
HTML entityµ · µ · µ
CSS\00B5
JavaScript / JSON\u00B5
Python\u00B5 or \N{MICRO SIGN}
UTF-8 bytesC2 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 00B5 then press Alt+X. In any app, Win+. opens the symbol panel.
  • Windows Alt code: hold Alt and type 0181 (or 230) 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: µ renders as µ.
  • LaTeX: \mu in 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.

Related symbols

Reference: Unicode code chart: Latin-1 Supplement (U+0080–U+00FF)