Mathematical Double-struck Small K Symbol
π is the mathematical double-struck small letter K (U+1D55C).
U+1D55C
The symbol π is a specialized math character used for typeset notation. Itβs useful when you need a distinctive K style that matches double-struck typography. You can copy it directly or use the provided Unicode details in your tools and code.
Mathematical Double-struck Small K Symbol Meaning
π (MATHEMATICAL DOUBLE-STRUCK SMALL K, U+1D55C) is a Unicode character in the βMathβ category. βDouble-struckβ typically refers to the bold, letterform style often used in mathematical writing to distinguish sets, spaces, or specific named objects. In practice, π functions like a styled lowercase K in mathematical contexts, especially when your document or design requires consistent Unicode math typography. If youβre matching a particular font or notation scheme, using the exact Unicode character (rather than a visually similar Latin βkβ) helps prevent mismatches across platforms.
Common uses
- β’Mathematical notation where a distinct double-struck lowercase K is required
- β’Typing or proofreading equations in plain text that should preserve Unicode math styles
- β’Labeling variables (e.g., coefficients or constants) in technical documents
- β’Designing posters, slides, or infographics that use Unicode math symbols for consistency
- β’Creating accessible web content and developer documentation that references the exact character
Examples
π β Mathematical Double-Struck Small K
- ππ β β
- πLet π be a constant.
- πDefine π = kβ / 2.
- πThe set is indexed by π.
- πWe solve for π in the equation.
Variations
Ready to copy
Technical codes
| Unicode | U+1D55C | |
| HTML Entity | 𝕜 | |
| HTML Code | 𝕜 | |
| CSS | \1D55C |
FAQ
What does the Mathematical Double-struck Small K symbol mean?
π (MATHEMATICAL DOUBLE-STRUCK SMALL K, U+1D55C) is a Unicode character in the βMathβ category. βDouble-struckβ typically refers to the bold, letterform style often used in mathematical writing to distinguish sets, spaces, or specific named objects. In practice, π functions like a styled lowercase K in mathematical contexts, especially when your document or design requires consistent Unicode math typography. If youβre matching a particular font or notation scheme, using the exact Unicode character (rather than a visually similar Latin βkβ) helps prevent mismatches across platforms.
How do I copy π?
Select and copy the character shown on this page (π), then paste it into your document, design tool, or code editor.
What is the Unicode code point for π?
Its Unicode code point is U+1D55C (HTML entity: 𝕜).
Can I type π using CSS or JavaScript?
Yes. Use CSS escape \\1D55C and JavaScript escape \\u{1D55C} to insert the character.
Why isnβt a normal βkβ the same as π?
βkβ is a standard Latin letter, while π is a specific Unicode math character with a double-struck letterform. Using π preserves the intended mathematical styling.