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title: sqrt
collection: mulesoft
version: current
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canonical_url: https://docs.mulesoft.com/dataweave/2.3/dw-core-functions-sqrt
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---
---
product: DataWeave
version: 2.3
---

# sqrt

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

## sqrt(Number): Number

Returns the square root of a 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 evaluate.</p></td></tr></tbody></table>

### Example

This example returns the square root of a number.

#### Source

```DataWeave
%dw 2.0
output application/json
---
[ sqrt(4), sqrt(25), sqrt(100) ]
```

#### Output

```JSON
[ 2.0, 5.0, 10.0 ]
```