Mathematical Sans-Serif Small R 𝗋

Visual Description: This character appears as a small, clean r drawn in a sans-serif style. It has simple curves and even line thickness, with no decorative serifs. The shape sits on the baseline and maintains generous open space around it to keep symbols legible in dense formulas. It blends with other math glyphs.

Meaning & Usage: In math notation, this sans-serif r is used as a variable, parameter, or label with clear, non-italic letterforms. It helps distinguish from italic variables in textbooks or code. In calculators and formula editors, it signals a stable symbol that stays consistent across styles, making automated parsing easier for software.

Historical Background: Across the history of mathematical typography, designers created separate families to separate text from mathematics. The sans-serif, mathematical variants emerged to improve legibility on screens and in print. They offered consistent widths, balanced shapes, and predictable spacing. This approach helped early software render formulas with fewer alignment issues and fewer misreads.

Practical Use: In practice, you may see this glyph in formula editors, technical documents, and educational tools. Quick UI controls can insert the character, switch to a sans-serif look, or apply it to a variable. Users perform operations & comparisons with calculators and widgets that keep symbols aligned and readable during edits.

See our category page for related symbols.

Look‑alikes: r (U+72).

Need styled alternatives? Try the Fancy Text tool.