Mathematical Sans-Serif Bold Capital U 𝗨
Visual Description: The glyph is a bold, sans-serif uppercase U. It has even strokes and a clean, geometric feel. There are no serifs, and the shape reads clearly at small sizes. It stands out in formulas, labels, and on screens used for math input.
Meaning & Usage: It acts as a variable or label in math, science, and coding. The bold sans-serif style helps distinguish it from regular text. In notation, it can mark a unit, a matrix dimension, or an identifier in equations. UI tools often treat such symbols as quick inputs.
Historical Background: This style belongs to the broader family of mathematical alphanumeric symbols. It was created to provide typed, recognizable variants for formulas and calculations. Over time, digital typesetting and software support expanded its use. The history is general and focuses on clarity, consistency, and digital readability.
Practical Use: In calculators and math editors, the bold U helps indicate a variable or special object. It is handy in quick UI controls for operations or comparisons, such as switching between bold and regular display or inserting the symbol into a formula. Use case examples include labeling units or objects in dashboards.
See our category page for related symbols.
Look‑alikes: U (U+55).
Need styled alternatives? Try the Fancy Text tool.
Confusables
Technical details
- Codepoint:
U+1D5E8 - General Category:
Lu - Age:
3.1 - Bidi Class:
L - Decomposition:
<font> 0055 - Block:
Mathematical Alphanumeric Symbols - Script:
Common - UTF-8:
F0 9D 97 A8 - UTF-16:
D835 DDE8 - UTF-32:
0001D5E8 - HTML dec:
𝗨 - HTML hex:
𝗨 - JS escape:
\u{1D5E8} - Python \N{}:
\N{MATHEMATICAL SANS-SERIF BOLD CAPITAL U} - Python \U:
\U0001D5E8 - URL-encoded:
%F0%9D%97%A8 - CSS escape:
\1D5E8
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+1D5E8 or a built‑in character picker.
HTML: use the numeric entity 헨 (hex) or 헨 (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.