Home Excel Tips and Tricks Pi function (π) in Excel

Pi function (π) in Excel

In this Excel article you will teach yourself how to use Pi in Excel.

The π is a special value known since ancient times. The pi value represents a half-rotation in the radian angle system.

Let’s start from using pi in Excel. Syntax of PI function is very easy. There are no arguments of pi function. Excel PI formula is just =PI()

Excel Pi function returns pi value up to 15 digits.

π in Excel equals exactly 3.14159265358979

You can insert π symbol in Excel. To do that go to Insert tab and click Symbol button.

insert greek pi letter

Greek capital letter Pi you can find in Greek and Coptic subset.

You can use pi function to calculate area of the circle. Use this pi Excel formula

=PI()*A2^2

Template

You can download the Template here – Download

Further reading: 
Basic concepts 
Getting started with Excel
Cell References