Oracle / PLSQL: ROUND Function (with numbers)

This Oracle tutorial explains how to use the Oracle/PLSQL ROUND function (as it applies to numeric values) with syntax and examples.

Description

The Oracle/PLSQL ROUND function returns a number rounded to a certain number of decimal places.

Syntax (with numbers)

The syntax for the ROUND function in Oracle/PLSQL is:

ROUND( number [, decimal_places] )

Parameters or Arguments

number

The number to round.

decimal_places

Optional. The number of decimal places rounded to. This value must be an integer. If this parameter is omitted, the ROUND function will round the number to 0 decimal places.

Returns

The ROUND function (as it applies to numbers) returns a numeric value.

Applies To

The ROUND function can be used in the following versions of Oracle/PLSQL:

• Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i, Oracle 8i

Example - with numbers

Let's look at some Oracle ROUND function examples and explore how to use the ROUND function in Oracle/PLSQL.

For example:

ROUND(125.315)
Output: 125

ROUND(125.315, 0)
Output: 125

ROUND(125.315, 1)
Output: 125.3

ROUND(125.315, 2)
Output: 125.32

ROUND(125.315, 3)
Output: 125.315

ROUND(-125.315, 2)
Output: -125.32