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SQL Server SQRT() Function

❮ SQL Server Functions

Example

Return the square root of a number:

SELECT SQRT(64);
Try it Yourself »

Definition and Usage

The SQRT() function returns the square root of a number.

Syntax

SQRT(number)

Parameter Values

Parameter Description
number Required. A positive number to calculate the square root  of

Technical Details

Works in: SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse

More Examples

Example

Return the square root of a number:

SELECT SQRT(13);
Try it Yourself »

❮ SQL Server Functions