Mathematical Sans-Serif Bold Small X 𝘅

Visual Description: The symbol is a small x rendered in a bold, geometric sans serif style. It has clean, uniform strokes and no serifs. The lines are straight with rounded corners, giving a compact look. It reads clearly at small sizes on screens and in print. The character often sits in formulas, labels, or operator-like roles in quick UI tools.

Meaning & Usage: This bold x is used as a variable or placeholder in math and science. It can mark a cross reference or indicate multiplication in compact interfaces. In calculators and dashboards, it signals a variable that can change. It helps distinguish bold emphasis from ordinary text in equations.

Historical Background: In digital typography, geometric sans fonts emerged to improve legibility on screens. The mathematical sans serif family includes bold variants to highlight important quantities. The small x form stayed simple so it would work across sizes and styles. Over time, designers used it to separate symbols from regular text without adding clutter.

Practical Use: Use bold small x in formulas to show a variable, a switch, or an input field. In calculators, it can be a toggle for a mode or a target for an operation. Quick UI controls may display the symbol next to +/- or × for comparisons and selections. Keep the surrounding typography consistent with other bold elements.

See our category page for related symbols.

Look‑alikes: x (U+78).

Need styled alternatives? Try the Fancy Text tool.