---
description: "Learn more about: SQRTPI"
title: "SQRTPI function (DAX) | Microsoft Docs"
---
# SQRTPI

[!INCLUDE[applies-to-measures-columns-tables-visual-calculations](includes/applies-to-measures-columns-tables-visual-calculations.md)]

Returns the square root of (number * pi).  
  
## Syntax  
  
```dax
SQRTPI(number)  
```
  
### Parameters  
  
|Term|Definition|  
|--------|--------------|  
|number|Required. The number by which pi is multiplied.|  
  
## Return value

Returns the square root of (number * pi).  

## Example  
  
|Formula|Description|Result|  
|-----------|---------------|----------|  
|= SQRTPI(1)|Square root of pi.|1.772454|  
|= SQRTPI(2)|Square root of 2 * pi.|2.506628|  
