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Micro sign
U+00B5 · Latin-1 Supplement
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Meaning and uses
The micro sign, the SI prefix for one millionth. It appears in units such as µm (micrometre, a millionth of a metre), µg (microgram), µs (microsecond), µL (microlitre) and µF (microfarad), and on vitamin and medicine labels. It looks like the Greek small letter mu, μ, and Unicode lists the micro sign as a compatibility form of that letter, so some software converts one into the other. The micro sign is the one the Mac Option key and the Windows Alt code type.
Unicode details
| Unicode name | MICRO SIGN |
|---|---|
| Code point | U+00B5 |
| Block | Latin-1 Supplement |
| Added | Unicode 1.1 (1993) |
| Category | Lowercase letter (Ll) |
| Emoji | No |
| UTF-8 bytes | C2 B5 |
| UTF-16 | 00B5 |
| HTML | µ |
Tap a code to copy it:
How to type µ
- Mac: Option+M (U.S. layout; all Option key symbols).
- Windows: Alt+0181 on the numeric keypad (all Alt codes).
- Word: 00B5, then Alt+X.
- Excel and Google Sheets:
=UNICHAR(181). - Phone: copy it from this page.
- Linux (GNOME): Ctrl+Shift+U, then 00b5, then Space.
- HTML:
µ. CSScontent:"\00B5".