pi-transact-sql.md

title	PI (Transact-SQL) | Microsoft Docs
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ms.date	03/03/2017
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PI (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2008-all_md]

Returns the constant value of PI.

Transact-SQL Syntax Conventions

Syntax

-- Syntax for SQL Server, Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse  
  
PI ( )  

Return Types

float

Examples

The following example returns the value of PI.

SELECT PI();  
GO  

[!INCLUDEssResult]

------------------------  
3.14159265358979  
  
(1 row(s) affected)  

Examples: [!INCLUDEssSDWfull] and [!INCLUDEssPDW]

The following example returns the value of PI.

SELECT PI();  
GO  

[!INCLUDEssResult]

------------------------  
3.14159265358979  
  
(1 row(s) affected)  

See Also

Mathematical Functions (Transact-SQL)