# @turf/square ## square Takes a bounding box and calculates the minimum square bounding box that would contain the input. **Parameters** - `bbox` **[BBox][1]** extent in [west, south, east, north] order **Examples** ```javascript var bbox = [-20, -20, -15, 0]; var squared = turf.square(bbox); //addToMap var addToMap = [turf.bboxPolygon(bbox), turf.bboxPolygon(squared)] ``` Returns **[BBox][1]** a square surrounding `bbox` [1]: https://tools.ietf.org/html/rfc7946#section-5 --- 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 ```