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𝐬

Mathematical Bold Small S Symbol

𝐬 is the Unicode β€œmathematical bold small s” character used for styled math text.

U+1D42C

The character 𝐬 is a Unicode math-style letter: a bold, lowercase β€œs”. It’s useful when you want a consistent typographic look in formulas or design mockups. This page helps you copy it and use the correct escapes in code.

Mathematical Bold Small S Symbol Meaning

𝐬 (Unicode name: MATHEMATICAL BOLD SMALL S, code point U+1D42C) is a typographic variant of the lowercase letter β€œs” designed for mathematical styling. In practice, it’s commonly used to represent variables, parameters, or symbols in contexts where bold math letters are preferred. Compared with a normal β€œs”, the bold math form can improve visual hierarchy in equations, especially alongside other bold mathematical characters. Because it’s a specific Unicode character, it will render as a distinct glyph when the font supports the Mathematical Bold block. You can copy it directly or use its HTML/CSS/JavaScript escapes.

Common uses

  • β€’Use as a bold lowercase variable in equations and math notes
  • β€’Match typographic styling in textbooks, slides, or academic documents
  • β€’Create consistent symbol branding in math-focused designs
  • β€’Label parameters (e.g., s) in diagrams and charts using styled text
  • β€’Post math content online where bold math lettering improves readability

Examples

𝐬 β€” Mathematical Bold Small S

  • 𝐬Let 𝐬 be the sample statistic.
  • 𝐬We compute 𝐬 for each data group.
  • 𝐬Define 𝐬 as the smoothing parameter.
  • 𝐬The value of 𝐬 increases with time.
  • 𝐬Use 𝐬 in the next iteration.

Variations

Ready to copy

Technical codes

UnicodeU+1D42C
HTML Entity𝐬
HTML Code𝐬
CSS\1D42C

FAQ

What does the Mathematical Bold Small S symbol mean?

𝐬 (Unicode name: MATHEMATICAL BOLD SMALL S, code point U+1D42C) is a typographic variant of the lowercase letter β€œs” designed for mathematical styling. In practice, it’s commonly used to represent variables, parameters, or symbols in contexts where bold math letters are preferred. Compared with a normal β€œs”, the bold math form can improve visual hierarchy in equations, especially alongside other bold mathematical characters. Because it’s a specific Unicode character, it will render as a distinct glyph when the font supports the Mathematical Bold block. You can copy it directly or use its HTML/CSS/JavaScript escapes.

How do I type 𝐬 on my keyboard?

Most keyboards don’t have it directly. Copy and paste 𝐬, or use the Unicode escapes shown on this page in your code/editor.

What is the Unicode code point for 𝐬?

𝐬 is U+1D42C (Unicode name: MATHEMATICAL BOLD SMALL S).

Can I use the HTML entity to insert 𝐬?

Yes. Use the provided HTML entity: 𝐬.

Will 𝐬 always look bold in every font?

It depends on font support. If the font supports the Mathematical Bold block, it should render as the intended bold math glyph.