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Global Positioning System ( GPS can also refer to a 'GPS receiver'. For GPS coordinates (Latitude/Longitude), this website preferentially uses Decimal Degrees (DDD.DDDD). This format is easy to use with GPS units, Google Maps, and other applications. There are many other ways to define coordinates, including Degrees/Minutes/Seconds (DDD° MM' SS'), Decimal Minutes (DDD° MM.MMMM), and UTM (Universal Transverse Mercator). Coordinates in one format can easily be converted into another format, so see for a handy conversion tool.