FLOOR (Transact-SQL)

Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric

Returns the largest integer less than or equal to the specified numeric expression.

Transact-SQL syntax conventions

Syntax

FLOOR ( numeric_expression )  

Note

To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documentation.

Arguments

numeric_expression
Is an expression of the exact numeric or approximate numeric data type category.

Return Types

The return type depends on the input type of numeric_expression:

Input type Return type
float, real float
decimal(p, s) decimal(38, s)
int, smallint, tinyint int
bigint bigint
money, smallmoney money
bit float

If the result does not fit in the return type, an arithmetic overflow error occurs.

Examples

The following example shows positive numeric, negative numeric, and currency values with the FLOOR function.

SELECT FLOOR(123.45), FLOOR(-123.45), FLOOR($123.45);  

The result is the integer part of the calculated value in the same data type as numeric_expression.

---------      ---------     -----------  
123            -124          123.0000     

Examples: Azure Synapse Analytics and Analytics Platform System (PDW)

The following example shows positive numeric, negative numeric, and values with the FLOOR function.

SELECT FLOOR(123.45), FLOOR(-123.45), FLOOR($123.45);  

The result is the integer part of the calculated value in the same data type as numeric_expression.

-----   ---------    -----------  
 
123     -124         123

See Also

Mathematical Functions (Transact-SQL)