How to Type the Pi Symbol (π)
Fastest method: Alt+227 on Windows (with Num Lock on), or Option+P on Mac. You can also copy the symbol directly below.
Greek Small Letter Pi
U+03C0
Windows (Alt code)
Alt+227
Word (anywhere)
03C0, Alt+X
Mac (Option key)
Option+P
Unicode code point
U+03C0
HTML entity
π
FAQ
How do I type the pi symbol (π) on Windows?
Turn on Num Lock, hold the Alt key, then type 227 on the numeric keypad. Release Alt and the π symbol appears.
How do I type the pi symbol (π) on Mac?
Press Option+P. This shortcut works in almost every macOS app.
How do I insert the pi symbol (π) in Word or Google Docs?
In Word, type 03C0 then immediately press Alt+X — the code turns into π. In Google Docs, use the Mac or Windows shortcut above, or go to Insert > Special characters.
Is π a Greek letter or a math symbol?
Both: π is the 16th letter of the Greek alphabet (lowercase pi), reused in mathematics to represent the constant ratio of a circle's circumference to its diameter (≈ 3.14159).