SQL Server - ABS() Function

The SQL Server (Transact-SQL) ABS() function returns the absolute value of a given number.

Syntax

ABS(number)

Parameters

number Required. Specify the number to convert to an absolute value.

Return Value

Returns the absolute value of a given number.

Example 1:

The example below shows the usage of ABS() function.

SELECT ABS(15);
Result: 15

SELECT ABS(-15);
Result: 15

SELECT ABS(25.23);
Result: 25.23

SELECT ABS(-25.23);
Result: 25.23

SELECT ABS(0);
Result: 0

SELECT ABS(10 * -2);
Result: 20

Example 2:

Consider a database table called Sample with the following records:

Data	x
Data 1	-10
Data 2	-5
Data 3	0
Data 4	5
Data 5	10

The statement given below can be used to calculate the absolute value of column x.

SELECT *, ABS(x) AS ABS_Value FROM Sample;

This will produce the result as shown below:

Data	x	ABS_Value
Data 1	-10	10
Data 2	-5	5
Data 3	0	0
Data 4	5	5
Data 5	10	10

❮ SQL Server Functions