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title: ceil
collection: mulesoft
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---
---
product: DataWeave
version: 2.3
---

# ceil

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

## ceil(Number): Number

Rounds a number up to the nearest whole number.

### Parameters

<table><colgroup><col> <col></colgroup><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr><td><p><code>number</code></p></td><td><p>The number to round.</p></td></tr></tbody></table>

### Example

This example rounds numbers up to the nearest whole numbers. Notice that `2.1` rounds up to `3`.

#### Source

```DataWeave
%dw 2.0
output application/json
---

[ ceil(1.5), ceil(2.1), ceil(3) ]
```

#### Output

```JSON
[ 2, 3, 3 ]
```