For Surveyors, Engineers, Navigators and Students of Geodesy... Geodesy Earth Tools is the easiest way to make geographic calculations. * Coordinate conversion tool with error checking: Convert Degrees, Deg/Min, Deg/Min/Sec, UTM, MGRS, Maidenhead. * Draw any free-form closed shape on a map or point-plot a perimeter to get the enclosed area. Great if you just want to know the area of your neighbor's back yard or the area and perimeter of the continental U.S. Useful for construction pl