Pi symbol
Tap the box to copy π. Below: what it means and every way to type it.
U+03C0
Pi symbol and related symbols
Tap any symbol to copy it.
| Symbol | Name | Code | HTML | Windows | Mac | LaTeX |
|---|---|---|---|---|---|---|
| Greek small letter pi | U+03C0 | π | Alt + 227 | Option + P | \pi | |
| Greek capital letter pi | U+03A0 | Π | \Pi | |||
| Greek pi symbol | U+03D6 | ϖ | ||||
| Mathematical italic small pi | U+1D70B | 𝜋 | ||||
| Mathematical bold italic small pi | U+1D745 | 𝝅 |
What π means
The Greek letter π is the ratio of a circle's circumference to its diameter, about 3.14159. Capital Π is used for products of many terms.
Common uses: geometry, Pi Day on 14 March, and anything with circles.
- Unicode name
- Greek Small Letter Pi
- Code point
- U+03C0
- Windows
- Alt + 227
- Mac
- Option + P
Keyboard shortcuts for π
Copy and paste
Click the big π at the top. It copies instantly.
Windows
Hold Alt and type 227 on the number pad, then let go of Alt. In Word, type 03C0 and press Alt + X. Outside Word, open the emoji and symbols panel with Windows key + period.
Mac
Press Option + P. The Character Viewer (Control + Command + Space) finds any symbol by name.
iPhone and Android
Copy it from this page, or set up a text replacement in your keyboard settings so a short code like ;sym turns into the symbol.
HTML
Use π or π.
LaTeX
Use \pi in math mode.
Questions people ask
How do I type π on a keyboard?
On Windows, hold Alt and type 227 on the number pad. On a Mac, press Option + P.
What is the HTML code for π?
π or π
What does π mean?
The Greek letter π is the ratio of a circle's circumference to its diameter, about 3.14159. Capital Π is used for products of many terms.
Where is π used?
Geometry, Pi Day on 14 March, and anything with circles.
More symbols
Updated November 13, 2026