Mathematical Bold Script Small K 𝓴

Visual Description: The glyph is a small k styled in bold script. It has rounded strokes and looping tails. The lines are thick and smooth. It has a flowing, handwritten look. It sits compact on the baseline and carries a graceful, decorative shape. It reads as a stylized letter used in math notation.

Meaning & Usage: In math, this bold script k marks a special object. It often denotes a function, a vector, or a distinguished variable. The bold script helps separate it from ordinary letters, while the script style hints at a named object. It is used in formulas, notes, and UI labels to clarify meaning.

Historical Background: The presence of script and bold script alphabets comes from traditions of typesetting and modern digital fonts. Designers combine calligraphic shapes with weight to signal importance. In math, different alphabets help organize ideas without changing the underlying value. The history is general, emphasizing style and clarity rather than people or events.

Practical Use: In calculators and math editors you can type or insert the character and switch to bold script in the UI. Use this font style to compare objects or highlight a key variable in a formula. Quick controls, such as a style toggle or a keyboard shortcut, let you apply the script look or switch back to plain letters during steps.

See our category page for related symbols.

Look‑alikes: k (U+6B).

Need styled alternatives? Try the Fancy Text tool.