# @turf/square

# square

Takes a bounding box and calculates the minimum square bounding box that
would contain the input.

**Parameters**

-   `bbox` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)<[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** extent in [west, south, east, north] order

**Examples**

```javascript
var bbox = [-20,-20,-15,0];
var squared = turf.square(bbox);
var features = turf.featureCollection([
  turf.bboxPolygon(bbox),
  turf.bboxPolygon(squared)
]);

//addToMap
var addToMap = [features]
```

Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)<[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>** a square surrounding `bbox`

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---

This module is part of the [Turfjs project](http://turfjs.org/), an open source
module collection dedicated to geographic algorithms. It is maintained in the
[Turfjs/turf](https://github.com/Turfjs/turf) repository, where you can create
PRs and issues.

### Installation

Install this module individually:

```sh
$ npm install @turf/square
```

Or install the Turf module that includes it as a function:

```sh
$ npm install @turf/turf
```