Pi Symbol π
Tap the button to copy the pi symbol, or grab a variant below. The table has its Alt code, HTML entity and Unicode details.
| Copy | Unicode name | Codepoint | HTML | Windows Alt code |
|---|---|---|---|---|
| Greek Small Letter Pi | U+03C0 | π | Alt+227 | |
| Greek Capital Letter Pi | U+03A0 | Π | none | |
| N-Ary Product | U+220F | ∏ | none |
- The pi symbol is Unicode U+03C0 (Greek Small Letter Pi).
- In HTML, type
πto get π. - On Windows, hold Alt and type 227 on the numeric keypad.
- On a Mac, press Option+P.
- It is a single character: it survives copy and paste into any text field and counts as one character against limits.
Lowercase pi is the ratio of a circle's circumference to its diameter, roughly 3.14159. Capital pi doubles as the product operator in math, where Unicode also has the dedicated n-ary product ∏. The Mac Option+P shortcut types the Greek lowercase letter.