---
title: ceiling
slug: Web/XPath/Functions/ceiling
tags:
  - XSLT
  - XSLT_Reference
---
{{ XsltRef() }}

The `ceiling` function evaluates a decimal number and returns the smallest integer greater than or equal to the decimal number.

### Syntax

    ceiling(number )

### Arguments

- `number`
  - : The number to be evaluated.

### Returns

The nearest integer greater than or equal to `number`.

for example:

` ceiling (5.2)` = _6_

` ceiling (-5.2)` = _-5_

### Defined

[XPath 1.0 4.4](https://www.w3.org/TR/xpath#function-ceiling)

### Gecko support

Supported.
