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U+2300 · Miscellaneous Technical

Diameter Sign

Diameter Sign is the Unicode character U+2300 (official name “DIAMETER SIGN”) from the Miscellaneous Technical block. It belongs to SymbolHero’s technical & keyboard symbols collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.

UnicodeU+2300
HTML
U+2300

Character codes

Unicode code pointU+2300
Decimal8960
HTML (hex)
HTML (decimal)
CSS\2300
JavaScript\u2300
Python\u2300
UTF-8 bytesE2 8C 80
UTF-162300
URL-encoded%E2%8C%80

Character details

Official nameDIAMETER SIGN
Unicode blockMiscellaneous Technical
General categoryOther Symbol (So)
SymbolHero categoryTechnical & Keyboard Symbols
EmojiNo

How to type ⌀

Windows

  • In Microsoft Word or Outlook: type 2300 then press Alt + X.
  • Open Character Map (search “Character Map” in Start), tick “Advanced view”, search for “diameter sign”, then Select and Copy.

Mac

  • Press Control + Command + Space to open the Character Viewer, search “diameter sign”, and double-click the result.
  • With the Unicode Hex Input keyboard enabled (System Settings → Keyboard → Input Sources), hold Option and type 2300.

iPhone & Android

  • Tap Copy at the top of this page, then long-press where you want it and choose Paste.

Docs & web

  • Google Docs: Insert → Special characters, then search “diameter sign” or enter U+2300.
  • HTML:
  • Excel / Google Sheets: =UNICHAR(8960)

Questions

What is the Unicode for ⌀?

It is U+2300 (DIAMETER SIGN), decimal 8960.

Is there a Windows Alt code for it?

No standard Alt code exists for this character. In Word type 2300 then Alt+X, or copy it from this page.

How do I type it on a Mac?

There is no built-in Option shortcut. Use the Character Viewer (Control + Command + Space) and search “diameter sign”, or copy it from this page.

What is the HTML code?

Use the numeric reference ⌀ (or ⌀). There is no named entity.