pi-transact-sql.md

title	PI (Transact-SQL) | Microsoft Docs
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ms.date	03/03/2017
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ms.prod_service	database-engine, sql-database, sql-data-warehouse, pdw
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ms.component	t-sql|functions
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f1_keywords	PI_TSQL PI
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helpviewer_keywords	constant value of PI PI function
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PI (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2008-all-md]

Returns the constant value of PI.

Transact-SQL Syntax Conventions

Syntax

PI ( )  

Return Types

float

Examples

The following example returns the value of PI.

SELECT PI();  
GO  

[!INCLUDEssResult]

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

See Also

Mathematical Functions (Transact-SQL)