Copy and paste the real numbers symbol ℝ — click the button or any variant below
Real Numbers Symbol Copy and Paste
Click any symbol below to copy it to your clipboard instantly.
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Unicode Character
ℝ
Unicode Hex
U+211D
HTML Entity
ℝ
Decimal Code
8477
About the Real Numbers Symbol
Last reviewed on October 1, 2026
The double-struck capital R ℝ (blackboard bold R) denotes the set of real numbers. Its siblings ℕ, ℤ, ℚ and ℂ name the natural numbers, integers, rationals and complex numbers.
Where ℝ is used
Stating domains: f: ℝ → ℝ.
Vector spaces ℝn in linear algebra.
Number-system chains ℕ ⊂ ℤ ⊂ ℚ ⊂ ℝ ⊂ ℂ.
Related characters
Browse the full Mathematical Symbols list, or pick a sibling character from the grid below.
How to Type the Real Numbers Symbol
Windows: Type 211D then press Alt+X in Word to convert it into ℝ
Mac: Press Ctrl+Cmd+Space to open the Character Viewer and search for “double-struck R”
Microsoft Word: Type 211D then press Alt+X to convert it into ℝ
LaTeX:\mathbb{R} in math mode
HTML: Use the entity ℝ or the numeric code ℝ
Phone & tablet: Copying ℝ from this page is fastest — see our mobile typing guide for keyboard tricks
Real Numbers Symbol Code for HTML, CSS & JavaScript
HTML: ℝ
CSS: content: '\211D';
JavaScript: '\u211D'
Unicode: U+211D
Frequently Asked Questions
How do I type the real numbers symbol ℝ on Windows?
Type 211D then press Alt+X in Word to convert it into ℝ. You can also copy ℝ straight from this page — it pastes into any app.
How do I type ℝ on a Mac?
Press Ctrl+Cmd+Space to open the Character Viewer and search for “double-struck R”.
What is the Unicode and HTML code for the real numbers symbol?
The real numbers symbol is Unicode code point U+211D. In HTML, use ℝ or the numeric reference ℝ.
How do I write ℝ in LaTeX?
Use \mathbb{R} in math mode, for example $\mathbb{R}$.