Micro Sign
µ carries the Unicode name "Micro Sign" at code point U+00B5. Like every character in the math set on this page, it is plain text rather than an icon, so a single click below copies something that keeps its shape in equations, formulas and technical writing.
| Symbol | µ | |
|---|---|---|
| Unicode | U+00B5 | |
| Name | Micro Sign | |
| HTML (decimal) | µ | |
| HTML (hex) | µ | |
| CSS content | \00B5 | |
| JavaScript / JSON | \u00B5 | |
| UTF-8 bytes | 0xC2 0xB5 | |
| UTF-16 units | 0x00B5 | |
| Windows alt code | Alt 0181 or Alt 230 |
How to type the micro sign symbol
- Copy and paste: click the µ at the top of this page, then paste with Ctrl+V (Windows) or Cmd+V (Mac). This is the fastest route on any device.
- Windows alt code: hold Alt and type
0181on the numeric keypad, then release Alt. - HTML: write
µin your markup. - CSS: use
content: "\00B5"in a::beforeor::afterrule. - JavaScript: the escape
\u00B5produces this character in a string.
Frequently asked questions
How do I copy the micro sign symbol?
Click the µ above or the copy button and it is placed on your clipboard. Paste it anywhere with Ctrl+V or Cmd+V. It is a real text character, so it works in documents, chats and code.
What is the Unicode code point for micro sign?
The micro sign has the Unicode code point U+00B5. In HTML you can write it as µ or µ.
What is the alt code for the micro sign symbol?
On Windows, hold the Alt key and type Alt 0181 or Alt 230 on the numeric keypad, then release Alt. Copying the µ from this page is quicker and works on any device.
Is the micro sign an emoji or a text character?
It is a plain Unicode text character, not an image or an emoji sticker. That means the µ inherits the surrounding font, size and color wherever you paste it, and it works in places emoji often do not, such as usernames, file names and code.
Related symbols
Browse the full math symbols hub, or return to the searchable symbol grid.