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𝐀

Mathematical Bold Small K Symbol

𝐀 (mathematical bold small k) is a bold, small-letter k used in mathematical notation and typography.

U+1D424

The symbol 𝐀 is the mathematical bold small letter K. It’s commonly used wherever bold math symbols are needed in equations, labels, or styled text. Use it with the provided Unicode and escape codes to copy and paste reliably.

Mathematical Bold Small K Symbol Meaning

𝐀 is the Unicode character β€œMATHEMATICAL BOLD SMALL K” (U+1D424). It’s part of the Mathematical Alphanumeric Symbols set, where letters are rendered in a bold math style. The most common practical meaning is typographic: it represents a bold, small β€œk” used in mathematical expressions, variable labels, and formal text where a bold k distinguishes it from a regular k. Designers and developers also use it to match the look of bold math typesetting in UI text, annotations, or documentation that includes mathematical notation.

Common uses

  • β€’Writing bold math variables in equations (e.g., a parameter labeled k)
  • β€’Typography styling for mathematical labels and axes in charts
  • β€’Creating consistent notation in technical documents and study materials
  • β€’Designing UI text that includes math-like bold symbols
  • β€’Using in math-themed social posts or presentations to emphasize variables

Examples

𝐀 β€” Mathematical Bold Small K

  • 𝐀Let 𝐀 be the model parameter.
  • 𝐀Compute the value of 𝐀 from the data.
  • 𝐀The constant 𝐀 determines the scale.
  • 𝐀Solve for 𝐀 in the equation.
  • 𝐀In our formula, 𝐀 controls the growth rate.

Variations

Ready to copy

Technical codes

UnicodeU+1D424
HTML Entity𝐤
HTML Code𝐤
CSS\1D424

FAQ

What does the Mathematical Bold Small K symbol mean?

𝐀 is the Unicode character β€œMATHEMATICAL BOLD SMALL K” (U+1D424). It’s part of the Mathematical Alphanumeric Symbols set, where letters are rendered in a bold math style. The most common practical meaning is typographic: it represents a bold, small β€œk” used in mathematical expressions, variable labels, and formal text where a bold k distinguishes it from a regular k. Designers and developers also use it to match the look of bold math typesetting in UI text, annotations, or documentation that includes mathematical notation.

What Unicode character is 𝐀?

𝐀 is β€œMATHEMATICAL BOLD SMALL K” with codepoint U+1D424.

How do I copy 𝐀 reliably into HTML or web text?

You can paste the character directly, or use the HTML entity 𝐤.

What are the CSS and JavaScript escape codes for 𝐀?

CSS escape: \\1D424. JavaScript escape: \\u{1D424}.

Is 𝐀 the same as the regular letter k?

No. 𝐀 is a mathematical bold small k (a distinct Unicode character), while regular k is the standard Latin lowercase k.