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U+211D · Letterlike Symbols

Double-Struck Capital R ℝ

Double-Struck Capital R is the Unicode character U+211D (official name “DOUBLE-STRUCK CAPITAL R”) 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+211D
HTMLℝ
ℝU+211D

Character codes

Unicode code pointU+211D
Decimal8477
HTML named entityℝ
HTML (hex)ℝ
HTML (decimal)ℝ
CSS\211D
JavaScript\u211D
Python\u211D
UTF-8 bytesE2 84 9D
UTF-16211D
URL-encoded%E2%84%9D

Character details

Official nameDOUBLE-STRUCK CAPITAL R
Unicode blockLetterlike Symbols
General categoryUppercase Letter (Lu)
SymbolHero categoryLetterlike Symbols
Decomposition<font> U+0052
EmojiNo

How to type ℝ

Windows

  • In Microsoft Word or Outlook: type 211D then press Alt + X.
  • Open Character Map (search “Character Map” in Start), tick “Advanced view”, search for “double-struck capital r”, then Select and Copy.

Mac

  • Press Control + Command + Space to open the Character Viewer, search “double-struck capital r”, and double-click the result.
  • With the Unicode Hex Input keyboard enabled (System Settings → Keyboard → Input Sources), hold Option and type 211D.

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 r” or enter U+211D.
  • HTML: &Ropf; or ℝ
  • Excel / Google Sheets: =UNICHAR(8477)

Similar letterlike symbols

Script Capital I
Black-Letter Capital I
Script Capital L
Script Small L
L B Bar Symbol
Double-Struck Capital N
Sound Recording Copyright
Script Capital P
Double-Struck Capital P
Double-Struck Capital Q
Script Capital R
Black-Letter Capital R
Prescription Take
Response
Telephone Sign
Versicle
Double-Struck Capital Z
Ounce Sign
Inverted Ohm Sign
Black-Letter Capital Z
Turned Greek Small Letter Iota
Kelvin Sign
Angstrom Sign
Script Capital B

See all 81 letterlike symbols →

Questions

What is the Unicode for ℝ?

It is U+211D (DOUBLE-STRUCK CAPITAL R), decimal 8477.

Is there a Windows Alt code for it?

No standard Alt code exists for this character. In Word type 211D 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 r”, or copy it from this page.

What is the HTML code?

Use the named entity &Ropf; or the numeric reference ℝ.