Home » Excel-Built-In-Functions » Excel-Pi-Function

The Excel PI function simply returns the value of the mathematical constant π (pi), accurate to 15 digits (14 decimal places).

ie. the function returns the value 3.14159265358979

The Pi function takes no arguments and therefore has the simple format :

Examples

The spreadsheets below show an example of the Excel Pi function. The formula for the functions are shown in the spreadsheet on the left, and the results are shown in the spreadsheet on the right.

For an excellent overview of the mathematical constant, π, see the Wikipedia entry