package.README.md Maven / Gradle / Ivy
# @turf/area
## area
Takes one or more features and returns their area in square meters.
**Parameters**
- `geojson` **[GeoJSON][1]** input GeoJSON feature(s)
**Examples**
```javascript
var polygon = turf.polygon([[[125, -15], [113, -22], [154, -27], [144, -15], [125, -15]]]);
var area = turf.area(polygon);
//addToMap
var addToMap = [polygon]
polygon.properties.area = area
```
Returns **[number][2]** area in square meters
[1]: https://tools.ietf.org/html/rfc7946#section-3
[2]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number
---
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/area
```
Or install the Turf module that includes it as a function:
```sh
$ npm install @turf/turf
```