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U+2102 · Letterlike Symbols

Double-Struck Capital C ℂ

Double-Struck Capital C is the Unicode character U+2102 (official name “DOUBLE-STRUCK CAPITAL C”) from the Letterlike Symbols block. It belongs to SymbolHero’s letterlike symbols collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.

UnicodeU+2102
HTMLℂ
ℂU+2102

Character codes

Unicode code pointU+2102
Decimal8450
HTML named entityℂ
HTML (hex)ℂ
HTML (decimal)ℂ
CSS\2102
JavaScript\u2102
Python\u2102
UTF-8 bytesE2 84 82
UTF-162102
URL-encoded%E2%84%82

Character details

Official nameDOUBLE-STRUCK CAPITAL C
Unicode blockLetterlike Symbols
General categoryUppercase Letter (Lu)
SymbolHero categoryLetterlike Symbols
Decomposition<font> U+0043
EmojiNo

How to type ℂ

Windows

  • In Microsoft Word or Outlook: type 2102 then press Alt + X.
  • Open Character Map (search “Character Map” in Start), tick “Advanced view”, search for “double-struck capital c”, then Select and Copy.

Mac

  • Press Control + Command + Space to open the Character Viewer, search “double-struck capital c”, and double-click the result.
  • With the Unicode Hex Input keyboard enabled (System Settings → Keyboard → Input Sources), hold Option and type 2102.

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 “double-struck capital c” or enter U+2102.
  • HTML: &Copf; or ℂ
  • Excel / Google Sheets: =UNICHAR(8450)

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Questions

What is the Unicode for ℂ?

It is U+2102 (DOUBLE-STRUCK CAPITAL C), decimal 8450.

Is there a Windows Alt code for it?

No standard Alt code exists for this character. In Word type 2102 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 “double-struck capital c”, or copy it from this page.

What is the HTML code?

Use the named entity &Copf; or the numeric reference ℂ.