KML Shapes - Polygon Area, Linestring Length, Placemark Point

Calculate the area of a Google Earth polygon, its perimeter, centroid, and bounding box.
Calculate the length of a path, its mid-point, and bounding box.
Show the coordinates of a kml placemark.

Instructions

1)	In Google Earth, right click a polygon, path, or placemark, or a folder containing these items.
2)	Select "Copy" from the pop-up menu.
3)	Switch back to this web page. "Paste" into the text box below.

4) Select the output options.

Coordinates:	Area:	Length:
Degrees Degrees Minutes Degrees Minutes Seconds Georef UTM MGRS	Acres Hectares Sq Miles Sq Yards Sq Feet Sq Kilometers Sq Meters Sq Nautical Miles	Miles Yards Feet Kilometers Meters Nautical Miles

5) Calculate the result.

For unrestricted access, please sign in to your account or purchase a subscription. You must have Google Earth installed to use this data.

Enhanced feature.  What is this?

Limitations:

1)	Polygons that cross the 180° latitude line will cause errors. This will be fixed. Note that Google Earth has problems as well, and draws such polygons incorrectly.
2)	Limited error checking. Please use only valid kml data.
3)	NetworkLinks are not analyzed. The data must be copied in manually.