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𝑦

Mathematical Italic Small Y Symbol

𝑦 is the mathematical italic small letter y used to represent variables in math and technical writing.

U+1D466

The symbol 𝑦 is a styled, mathematical form of the lowercase letter y. It’s commonly used in formulas and technical text where italic variables are preferred. Below you’ll find practical ways to copy and use it in different contexts.

Mathematical Italic Small Y Symbol Meaning

𝑦 (MATHEMATICAL ITALIC SMALL Y, U+1D466) is a Unicode character in the β€œMath” category. It visually matches the italic lowercase y typically used for variables in mathematics, physics, and engineering-style notation. Because it is specifically the mathematical italic variant, it can help your text look consistent with surrounding variables and symbols. In plain writing, it’s often used as a variable name; in equation layouts, it may represent an unknown value, an output quantity, or a y-coordinate, depending on the context. Use this character when you want the typographic β€œmath italic” look rather than a regular italic or plain β€œy”.

Common uses

  • β€’Labeling variables in equations and math documents
  • β€’Writing coordinates like y in analytic geometry
  • β€’Denoting an output variable in formulas (context-dependent)
  • β€’Creating consistent math-style typography in technical writing
  • β€’Formatting text for worksheets, presentations, and tutorials

Examples

𝑦 | Mathematical Italic Small Y

  • 𝑦Let 𝑦 = mx + b.
  • 𝑦Solve for 𝑦 when x = 2.
  • 𝑦The point is (x, 𝑦).
  • 𝑦Given 𝑦(t), compute the derivative.
  • 𝑦Find the value of 𝑦 that satisfies the constraint.

Variations

Ready to copy

Technical codes

UnicodeU+1D466
HTML Entity𝑦
HTML Code𝑦
CSS\1D466

FAQ

What does the Mathematical Italic Small Y symbol mean?

𝑦 (MATHEMATICAL ITALIC SMALL Y, U+1D466) is a Unicode character in the β€œMath” category. It visually matches the italic lowercase y typically used for variables in mathematics, physics, and engineering-style notation. Because it is specifically the mathematical italic variant, it can help your text look consistent with surrounding variables and symbols. In plain writing, it’s often used as a variable name; in equation layouts, it may represent an unknown value, an output quantity, or a y-coordinate, depending on the context. Use this character when you want the typographic β€œmath italic” look rather than a regular italic or plain β€œy”.

Is 𝑦 the same as a normal italic y?

No. 𝑦 is the dedicated Unicode character MATHEMATICAL ITALIC SMALL Y (U+1D466), which provides the specific mathematical italic styling.

How can I copy 𝑦 for use in HTML?

You can copy the character directly (𝑦) or use the HTML entity: 𝑦.

What is the Unicode code point for 𝑦?

The Unicode code point is U+1D466.

Where is 𝑦 typically used?

It’s most commonly used as a variable letter in math and technical writing, especially where italic math typography is expected.