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JavaScript round() Method

Math Object Reference JavaScript Math Object

Example

Round a number to the nearest integer:

Math.round(2.5);

The result will be:

3

Try it yourself »

More "Try it Yourself" examples below.


Definition and Usage

The round() method rounds a number to the nearest integer.

Note: 2.49 will be rounded down, 2.5 will be rounded up.


Browser Support

Method
round() Yes Yes Yes Yes Yes


Syntax

Math.round(x)

Parameter Values

Parameter Description
x Required. The number to be rounded

Technical Details

Return Value: A Number, representing the nearest integer
JavaScript Version: 1.0


Examples

More Examples

Example

Round different numbers to the nearest integer:

var a = Math.round(2.60);
var b = Math.round(2.50);
var c = Math.round(2.49);
var d = Math.round(-2.60);
var e = Math.round(-2.50);
var f = Math.round(-2.49);

The result of a,b,c,d,e, and f will be:

3
3
2
-3
-2
-2

Try it yourself »


Math Object Reference JavaScript Math Object

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