Mathematical Sans-Serif Bold Capital R 𝗥
Visual Description: The glyph is a bold, sans-serif capital R. It has a clean, uniform stroke and no decorative serifs. The shape is compact, with a straight vertical stem and a rounded bowl. Its weight and flat terminals read clearly on screens, calculators, and compact UI labels.
Meaning & Usage: In typography, this sans-serif bold R is used to denote the set of real numbers in certain digital fonts. It signals emphasis or a distinct domain in formulas and diagrams. In software, it helps separate real values from other types like integers or complex numbers.
Historical Background: Designers expanded math fonts to include bold sans-serif faces so labels stay legible in modern displays. This trend mirrors a broader move to differentiate concepts with careful typography rather than space or color alone. The R variant appears alongside other stylized letters in digital math sets and guides.
Practical Use: In a calculator or form, label inputs with R to show the values come from real numbers. Use it in formulas like x ∈ R to denote a domain, and in comparisons between quantities. Provide quick UI controls to validate or switch between R and other domains, using clear typography to reduce error.
See our category page for related symbols.
Look‑alikes: R (U+52).
Need styled alternatives? Try the Fancy Text tool.
Confusables
Technical details
- Codepoint:
U+1D5E5 - General Category:
Lu - Age:
3.1 - Bidi Class:
L - Decomposition:
<font> 0052 - Block:
Mathematical Alphanumeric Symbols - Script:
Common - UTF-8:
F0 9D 97 A5 - UTF-16:
D835 DDE5 - UTF-32:
0001D5E5 - HTML dec:
𝗥 - HTML hex:
𝗥 - JS escape:
\u{1D5E5} - Python \N{}:
\N{MATHEMATICAL SANS-SERIF BOLD CAPITAL R} - Python \U:
\U0001D5E5 - URL-encoded:
%F0%9D%97%A5 - CSS escape:
\1D5E5
How to type / insert
Fast copy: click the Copy button near the top of this page.
By codepoint: in many editors and IDEs, you can insert via the Unicode code U+1D5E5 or a built‑in character picker.
HTML: use the numeric entity 헥 (hex) or 헥 (decimal) when an HTML entity is needed.
Compatibility & troubleshooting
Font support: if the symbol does not render, the current font likely lacks this codepoint. Choose a font with broad Unicode coverage or allow a fallback font.
Web pages: ensure your CSS font stack includes a general fallback; avoid relying on images for common symbols to preserve accessibility and copyability.