Pi Symbol π Copy & Paste
Copy the pi symbol π Π instantly. Includes Greek small and capital pi, double-struck pi, N-ary product, and pi variants. HTML entities (π) and Unicode for math and science.
All Variations
Symbol Details
| Symbol | Name | Unicode | HTML |
|---|---|---|---|
| π | Greek Small Letter Pi | U+03C0 | π |
| Π | Greek Capital Letter Pi | U+03A0 | Π |
| ℼ | Double-Struck Small Pi | U+213C | — |
| ∏ | N-Ary Product | U+220F | ∏ |
| ϖ | Greek Pi Symbol | U+03D6 | — |
Usage
The pi symbol is used in mathematics for the ratio of circumference to diameter (3.14159...), trigonometry, circle calculations, product notation (Π), science and engineering formulas, and Greek text.
How to Type
| Platform | Method / Code |
|---|---|
| Windows | Hold Alt and type 227 on the numeric keypad for π. In Word, type 03C0 then Alt+X. Or use the Symbol dialog (Insert > Symbol). |
| Mac / iOS | Press Option+P to type π instantly. For capital Π, use the Character Viewer (Control+Command+Space). |
| HTML Entity | Use π for π, Π for Π. For the product symbol ∏, use ∏ or ∏. |
| Unicode | U+03C0 (Small Pi π), U+03A0 (Capital Pi Π), U+220F (N-Ary Product ∏), U+213C (Double-Struck Pi ℼ). |
Platform Compatibility
This symbol renders correctly on all listed platforms.
Frequently Asked Questions
How do I type the pi symbol on my keyboard?
On Windows, hold Alt and type 227 on the numeric keypad for π. In Word, type 03C0 then Alt+X. On Mac, simply press Option+P. You can also copy π directly from this page.
What is the value of pi?
Pi (π) is approximately 3.14159265358979... It is an irrational number, meaning its decimal representation never ends and never repeats. Pi represents the ratio of a circle's circumference to its diameter.
What is the HTML code for the pi symbol?
Use π for lowercase π, Π for uppercase Π. For the product operator ∏, use ∏. Numeric entities: π for π, Π for Π.
What is the difference between π and ∏?
π (U+03C0) is the Greek small letter pi, commonly used for the mathematical constant 3.14159... ∏ (U+220F) is the N-ary product symbol used in mathematics to denote the product of a sequence. They look similar but serve different purposes.