Mathematical Bold Fraktur Capital R Symbol
𝕽 is a Unicode “Mathematical Bold Fraktur Capital R” character used for styled mathematical text.
U+1D57D
𝕽 (U+1D57D) is a Unicode character in the Mathematical “bold fraktur” style. It’s commonly used when you need a distinct, typographic R for math notation or design mockups. Copy it safely across platforms and use the provided escapes in code.
Mathematical Bold Fraktur Capital R Symbol Meaning
𝕽 is the Unicode character named “MATHEMATICAL BOLD FRAKTUR CAPITAL R” (code point U+1D57D). The “bold” and “fraktur” descriptors indicate a specific typographic style used for mathematical lettering. In practice, it’s used to represent a letter R with a particular visual emphasis or to distinguish different sets of variables, operators, or named objects within math-heavy layouts. Outside formal math, designers sometimes use it as a decorative capital R that matches a particular gothic/fraktur look while staying fully Unicode-compatible. If your document or app supports the glyph, it will render as 𝕽; otherwise you may see a fallback box or missing character.
Common uses
- •Labeling a variable or symbol named “R” in math-heavy documents with a bold fraktur style
- •Creating consistent styled headings or callouts in technical writing and design mockups
- •Differentiating mathematical sets, fields, or functions that use distinct letter styles
- •Using in LaTeX-like workflows or Unicode-based math typography (when supported by fonts)
- •Social or presentation graphics where a typographic “R” needs a distinct fraktur look
Examples
𝕽 Mathematical Bold Fraktur Capital R
- 𝕽Let 𝕽 be a set of real numbers.
- 𝕽Define the operator using 𝕽 in the formula.
- 𝕽Choose 𝕽 as the reference region.
- 𝕽The map f: 𝕽 → 𝕽 is continuous.
- 𝕽Use 𝕽 to denote a particular basis element.
Variations
Ready to copy
Technical codes
| Unicode | U+1D57D | |
| HTML Entity | 𝕽 | |
| HTML Code | 𝕽 | |
| CSS | \1D57D | |
| Decimal | 120189 |
How to type Mathematical Bold Fraktur Capital R Symbol (𝕽)
On Windows
In Word, type 1D57D then press Alt + X. Or open the emoji picker with Windows key + period.
On Mac
Press Control + Command + Space to open Character Viewer and search for the character.
On Linux
Press Control + Shift + U, type 1d57d, then press Enter or Space.
Anywhere
Copy 𝕽 with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Mathematical Bold Fraktur Capital R symbol mean?
𝕽 is the Unicode character named “MATHEMATICAL BOLD FRAKTUR CAPITAL R” (code point U+1D57D). The “bold” and “fraktur” descriptors indicate a specific typographic style used for mathematical lettering. In practice, it’s used to represent a letter R with a particular visual emphasis or to distinguish different sets of variables, operators, or named objects within math-heavy layouts. Outside formal math, designers sometimes use it as a decorative capital R that matches a particular gothic/fraktur look while staying fully Unicode-compatible. If your document or app supports the glyph, it will render as 𝕽; otherwise you may see a fallback box or missing character.
What Unicode character is 𝕽?
𝕽 is the Unicode character “MATHEMATICAL BOLD FRAKTUR CAPITAL R” with code point U+1D57D.
How do I copy 𝕽 into HTML?
You can use the HTML entity: 𝕽.
What’s the JavaScript escape for 𝕽?
Use: \\u{1D57D}.
Why does 𝕽 sometimes not display correctly?
It depends on font support and rendering in your app or browser. If the font lacks the glyph, you may see a fallback character.