# SQRTPI function: Description, Usage, Syntax, Examples and Explanation

## What is SQRTPI function in Excel?

SQRTPI function is one of the Math and Trig functions in Microsoft Excel that returns the square root of (number * pi).

## Syntax of SQRTPI function

SQRTPI(number)

The SQRTPI function syntax has the following arguments:

**Number:**The number by which pi is multiplied.

## SQRTPI formula explanation

If number < 0, SQRTPI returns the #NUM! error value.

## Example of SQRTPI function

Steps to follow:

1. Open a new Excel worksheet.

2. Copy data in the following table below and paste it in cell A1

Note: For formulas to show results, select them, press F2 key on your keyboard and then press Enter.

You can adjust the column widths to see all the data, if need be.

Formula |
Description (Result) |
Result |

=SQRTPI(1) | Square root of pi. | 1.772454 |

=SQRTPI(2) | Square root of 2 * pi. | 2.506628 |