# Excel PI Function

This post will guide you how to use** Excel PI function** with syntax and examples in Microsoft excel.

Table of Contents

**Description**

The Excel PI function returns the value of mathematical constant PI. The returned value is 3.14159265358979 and ti will accurate to 15 digits.

The PI function is a build-in function in Microsoft Excel and it is categorized as a Math and Trigonometry Function.

The PI function is available in Excel 2016, Excel 2013, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000, Excel 2011 for Mac.

**Syntax**

The syntax of the PI function is as below:

=PI()

The PI function has no any arguments.

**Excel PI Function Examples**

The below examples will show you how to use Excel PI Function to return the value of PI.

**1#** get the value of PI, enter the following formula in Cell B1.

**=PI()**

**2#** get the value of PI divided by 2, enter the following formula in Cell B2.

**=PI()/2**

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