SQRTPI function

This article describes the formula syntax and usage of the SQRTPI  function in Microsoft Excel.


Returns the square root of (number * pi).



The SQRTPI function syntax has the following arguments:

  • Number    Required. The number by which pi is multiplied.


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


Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.


Description (Result)

R esult


Square root of pi.



Square root of 2 * pi.


Applies To: Excel 2016, Excel 2013, Excel 2010, Excel 2007, Excel 2016 for Mac, Excel for Mac 2011, Excel Online, Excel for iPad, Excel for iPhone, Excel for Android tablets, Excel Starter, Excel for Android phones

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