Micro Sign, Mu Alt Code – How to Type µ

Alt Code for micro sign, mu: Alt + 230

The micro sign, mu symbol µ can be typed on a Windows computer using an Alt code or copied and pasted directly from this page.

How to Type Micro Sign, Mu using Alt Code

• Hold down the Alt key
• Type 230 on the numeric keypad
• Release the Alt key to insert the symbol

If your keyboard does not have a numeric keypad, try holding Fn + Alt while typing the number.