Geographic coordinate system - Wikipedia
Latitude Longitude Calculator » The Spreadsheet Page
MGRS/UTM/Latitude-Longitude Converter
Distance Calculators
How to convert coordinates latitude and longitude with Excel
arcgis desktop - Meter Coordinates to decimal Coordinates - Geographic Information Systems Stack Exchange
Distance calculation
How Big is a Degree? – State Cartographer's Office – UW–Madison
How much difference is there between 1 degree of latitude and 1 degree of longitude? - Quora
How many meters make up a degree of longitude/latitude on Earth? - Quora
Converting and Displaying Coordinates in ArcGIS 10
How Big is a Degree? – State Cartographer's Office – UW–Madison
how to convert lat/lon/elevation (wgs84) to cartesian coordinates?
How to convert coordinates latitude and longitude with Excel
OpenDEM
Help: Convert UTM Coordinates (Bulk) as Latitude Longitude
How to Calculate Distance in Excel Latitude and Longitude
How to Calculate Distance in Excel Latitude and Longitude
arcgis desktop - Decimal Degrees to Meters - Geographic Information Systems Stack Exchange
Deciding how many decimal places to include when reporting latitude and longitude – Behind the Map
UTM to Latitude and Longitude Converter
Free Software: UTM to Latitude Longitude Conversion
