Double-Struck Capital R
The double-struck capital r (ℝ) sits at code point U+211D in Unicode. It belongs to the math family and pastes as plain text, so it keeps working across documents, messages and web pages. Below you can copy it in one click and grab the exact HTML, CSS and JavaScript codes you need to reproduce it anywhere.
| Symbol | ℝ | |
|---|---|---|
| Unicode | U+211D | |
| Name | Double-Struck Capital R | |
| HTML (decimal) | ℝ | |
| HTML (hex) | ℝ | |
| CSS content | \211D | |
| JavaScript / JSON | \u211D | |
| UTF-8 bytes | 0xE2 0x84 0x9D | |
| UTF-16 units | 0x211D |
How to type the double-struck capital r symbol
- Copy and paste: click the ℝ at the top of this page, then paste with Ctrl+V (Windows) or Cmd+V (Mac). This is the fastest route on any device.
- HTML: write
ℝin your markup. - CSS: use
content: "\211D"in a::beforeor::afterrule. - JavaScript: the escape
\u211Dproduces this character in a string.
Frequently asked questions
How do I copy the double-struck capital r symbol?
Click the ℝ above or the copy button and it is placed on your clipboard. Paste it anywhere with Ctrl+V or Cmd+V. It is a real text character, so it works in documents, chats and code.
What is the Unicode code point for double-struck capital r?
The double-struck capital r has the Unicode code point U+211D. In HTML you can write it as ℝ or ℝ.
Does the double-struck capital r symbol work everywhere?
In almost every modern app and font, yes. If a font does not include this glyph you may see a placeholder box, but the underlying character U+211D is still correct and will render in a font that supports it.
Related symbols
Browse the full math symbols hub, or return to the searchable symbol grid.