PI Function in Excel

In this post, you will learn about the PI function in Excel and how to use it in your excel spreadsheets.

The function returns the constant value π or pi which is approximately equal to 3.14159265.

PI Function in Excel

Syntax

=PI()

This syntax has no arguments

How to use PI Function in Excel?

• This is an alternative in the use of the value pi. It is used instead of the approximate value 3.1415…
• This function is used in various Excel mathematical formulas and functions.

• The below example uses the constant pi to find the Circumference of the circle of radius 6.
• Note: Circumference of a circle – 2 x π x radius.

• The below example uses the pi value to find the Area of a circle of radius.
• Note: Area of a circle – π x (radius)²