How to Type Pi Symbol π
Keyboard shortcuts for Windows, Mac, Chromebook, iPhone & Android. Type or copy the pi symbol instantly.
Pi & Greek Math Symbols
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The pi symbol π represents the mathematical constant approximately equal to 3.14159. It's used extensively in mathematics, physics, engineering, and education for calculations involving circles, trigonometry, and many other areas.
This guide shows you how to type π on every platform: Windows, Mac, Chromebook, iPhone, Android, and Linux. We also include the uppercase Pi (Π), which is used for product notation in mathematics.
All Greek letter symbols on this page are standard Unicode characters — they work in any application, from math homework and scientific papers to social media posts and email.
Pi Symbol FAQ
The alt code for π is Alt+227. Hold Alt, type 227 on the numeric keypad, then release. Make sure Num Lock is enabled. This works in all Windows applications.
Press Option+P on Mac to type π directly. This keyboard shortcut works in every Mac application. No Character Viewer or special tools needed.
π (lowercase pi) represents the mathematical constant ~3.14159. Π (uppercase Pi) represents the product operator in mathematics (similar to how Σ represents summation). They're different uses of the same Greek letter.
For the value of pi, use the PI() function: =PI() returns 3.14159265358979. For the symbol π in a cell, use Alt+227 on Windows, or paste it from this page. In Google Sheets, =CHAR(960) also returns π.
Yes! π is a standard Unicode character that works on all social media platforms. It displays consistently across all devices. Math enthusiasts, students, and educators frequently use it in posts and bios.
On Mac, the Character Viewer (Control+Command+Space) has all Greek letters. On Windows, use Character Map or alt codes (α=Alt+224, β=Alt+225, δ=Alt+235). You can also copy any Greek letter from the symbols grid on this page.