⌀ Diameter Sign Alt Code

Below is the Alt code keyboard shortcut for inserting the diameter sign. If you are new to ALT codes and need detailed instructions on how to use them, please read How to Use ALT Codes to Enter Special Characters. For the the complete list of the ASCII based Windows ALT Codes, refer to Windows ALT Codes for Special Characters & Symbols.

 

Symbol
Symbol Name Diameter sign
Windows Alt Code ALT 8960
Windows Alt X Code 2300 ALT X
Mac Option Key Shortcut n/a
HTML Entity
Named Character
Reference
n/a
HTML Entity
Numeric Character Reference (Hexadecimal)
&#x2300
HTML Entity
Numeric Character Reference (Decimal)
&#8960
Unicode Code Point U+2300

The diameter sign is not to be confused with the following similar-looking characters or symbols:

Ø Latin capital letter O with stroke, slashed O (ALT 0216)
ø Latin small letter o with stroke, slashed o (ALT 0248)
Empty set (ALT 8709)

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