What is the result of distanceBetween result unites

Question

I'm using the function in Android Location class: http://developer.android.com/reference/android/location/Location.html#distanceBetween(double, double, double, double, float[])

To get the distance between two geographical points, but I don't know how the result in results[0] unit, is it in meters, miles or what?

Distance and bearing are defined using the WGS84 ellipsoid.

But I don't know what "WGS84 ellipsoid" means and how to convert that to meters or miles!

Answer 1

From the link that you provided

Computes the approximate distance in meters between two locations

and

The computed distance is stored in results[0]