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𝐫

Mathematical Bold Small R Symbol

𝐫 (U+1D42B) is the mathematical bold lowercase r used for styled variables and labels.

U+1D42B

This symbol, 𝐫, is a mathematical-style bold lowercase β€œr”. It’s commonly used when you want a variable or label to stand out from normal text. Below you’ll find copy options and practical ways to use it in documents and code.

Mathematical Bold Small R Symbol Meaning

𝐫 is the β€œMathematical Bold Small R” character (Unicode U+1D42B). As a math-styled glyph, it’s typically used in equations, notation, and typeset text to represent a bold, lowercase r variable or symbol. Designers may also use it to visually emphasize a parameter, rate, or term in a diagram or typography layout. Because it is a distinct Unicode character, it won’t always appear the same as a regular italic or bold β€œr” from your font set. When you need consistent rendering, copy the character or use the provided escapes.

Common uses

  • β€’Labeling a bold lowercase variable in math notes or educational worksheets
  • β€’Typing styled parameters in equation editors and scientific documents
  • β€’Using a bold β€œr” in diagrams for rates, radii, or indexed terms
  • β€’Creating consistent typography in design mockups and UI text
  • β€’Differentiating variables in technical writing where a normal β€œr” is already used

Examples

𝐫 β€” Mathematical Bold Small R

  • 𝐫Let 𝐫 be a parameter.
  • 𝐫Compute 𝐫 from the given values.
  • 𝐫The bold term 𝐫 appears in the equation.
  • 𝐫Set the radius to 𝐫.
  • 𝐫Use 𝐫 as the indexed variable.

Variations

Ready to copy

Technical codes

UnicodeU+1D42B
HTML Entity𝐫
HTML Code𝐫
CSS\1D42B

FAQ

What does the Mathematical Bold Small R symbol mean?

𝐫 is the β€œMathematical Bold Small R” character (Unicode U+1D42B). As a math-styled glyph, it’s typically used in equations, notation, and typeset text to represent a bold, lowercase r variable or symbol. Designers may also use it to visually emphasize a parameter, rate, or term in a diagram or typography layout. Because it is a distinct Unicode character, it won’t always appear the same as a regular italic or bold β€œr” from your font set. When you need consistent rendering, copy the character or use the provided escapes.

What Unicode character is 𝐫?

𝐫 is the Mathematical Bold Small R character with Unicode code point U+1D42B.

How can I copy 𝐫 into HTML?

You can use the HTML entity 𝐫 in your markup.

What is the CSS escape for 𝐫?

Use the CSS escape \\1D42B.

How do I use 𝐫 in JavaScript?

You can use the JavaScript escape \\u{1D42B}.