JavaScript ceil() Method

Math Object Reference JavaScript Math Object

Example

Round a number upward to it's nearest integer:

Math.ceil(1.4)

The result will be:

2

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More "Try it Yourself" examples below.


Definition and Usage

The ceil() method rounds a number UPWARDS to the nearest integer, and returns the result.

If the passed argument is an integer, the value will not be rounded.


Browser Support

Method
ceil() Yes Yes Yes Yes Yes

Syntax

Math.ceil(x)

Parameter Values

Parameter Description
x Required. The number you want to round

Technical Details

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

Examples

More Examples

Example

Use the ceil() method on different numbers:

var a = Math.ceil(0.60);
var b = Math.ceil(0.40);
var c = Math.ceil(5);
var d = Math.ceil(5.1);
var e = Math.ceil(-5.1);
var f = Math.ceil(-5.9);

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

1
1
5
6
-5
-5

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Math Object Reference JavaScript Math Object

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