Mathematical Bold Digit Nine Symbol
π is the mathematical bold form of the digit 9, used for styled numbers in formulas and design.
U+1D7D7
π is a Unicode symbol representing a bold digit nine. Itβs commonly used when you need numbers that visually match mathematical or typographic styling. You can copy it directly or use its code point in software and web pages.
Mathematical Bold Digit Nine Symbol Meaning
π (MATHEMATICAL BOLD DIGIT NINE, U+1D7D7) is a bold-styled version of the numeral 9. Itβs part of the βMathematical Boldβ set, designed to keep digits consistent with bold mathematical notation and typographic emphasis. In practice, it functions like a normal digit but with a distinct visual weight, making it useful for headings, numbered labels in math-themed designs, and formula-like text where numbers should appear bold. Use it when you specifically want the bold math look rather than a regular β9β. If your font doesnβt support it, the character may not render correctly.
Common uses
- β’Displaying bold numbers in math-themed graphics or posters
- β’Styling equation labels or variable-like numeric identifiers
- β’Creating consistent typographic numbering in design mockups
- β’Formatting social media posts that reference mathematical concepts
- β’Using in documentation or UI text where a bold 9 is desired
Examples
π Mathematical Bold Digit Nine
- πStep π: Review your results.
- πArea = πx + 2
- πVersion π.0 is now available.
- πChoose option π to continue.
- πThe answer is π.
Variations
Ready to copy
Technical codes
| Unicode | U+1D7D7 | |
| HTML Entity | 𝟗 | |
| HTML Code | 𝟗 | |
| CSS | \1D7D7 | |
| Decimal | 120791 |
How to type Mathematical Bold Digit Nine Symbol (π)
On Windows
In Word, type 1D7D7 then press Alt + X. Or open the emoji picker with Windows key + period.
On Mac
Press Control + Command + Space to open Character Viewer and search for the character.
On Linux
Press Control + Shift + U, type 1d7d7, then press Enter or Space.
Anywhere
Copy π with the button above and paste it wherever you need it β this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Mathematical Bold Digit Nine symbol mean?
π (MATHEMATICAL BOLD DIGIT NINE, U+1D7D7) is a bold-styled version of the numeral 9. Itβs part of the βMathematical Boldβ set, designed to keep digits consistent with bold mathematical notation and typographic emphasis. In practice, it functions like a normal digit but with a distinct visual weight, making it useful for headings, numbered labels in math-themed designs, and formula-like text where numbers should appear bold. Use it when you specifically want the bold math look rather than a regular β9β. If your font doesnβt support it, the character may not render correctly.
How do I copy π?
Select the character βπβ on this page and copy/paste it. You can also copy it using the HTML entity (𝟗) or the Unicode code point U+1D7D7.
What Unicode character is π?
π is MATHEMATICAL BOLD DIGIT NINE with Unicode code point U+1D7D7.
Will π work in all fonts and browsers?
It should work wherever the font supports the Unicode character U+1D7D7. If a font doesnβt include it, you may see a missing-glyph box or a fallback character.
Whatβs the difference between 9 and π?
β9β is a normal digit, while βπβ is the mathematical bold digit nine, giving it a bold typographic style thatβs useful for math-like text and design.