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Learn how to convert geographic coordinates among different formats, systems and datums. Find formulas, methods and examples for latitude, longitude, height and other parameters.
Open Location Code (OLC) is a way of encoding location into a form that is easier to use than showing coordinates in latitude and longitude. It is also known as plus code, and can be used like street addresses in places without formal systems.
Decimal degrees (DD) is a way of expressing latitude and longitude as decimal fractions of a degree, used in many geographic information systems and GPS devices. Learn how to convert DD to DMS notation, the precision of DD, and the examples of DD coordinates.
Learn how to measure and communicate positions on Earth using latitude and longitude, and how different geodetic datums affect the coordinates. Explore the history and standards of the geographic coordinate system and its applications in cartography and geodesy.
ISO 6709 is the international standard for representing latitude, longitude and altitude for geographic points. It defines the order, sign, units, display and encoding of coordinates, and the identification of coordinate reference systems.
Learn about the process of converting text-based descriptions of locations to geographic coordinates, and the history and applications of geocoding. Find out how geocoding relies on street networks, postal codes, and administrative boundaries.
Learn how to obtain and add geographic coordinates to Wikipedia articles from various sources, such as maps, online services, directories, databases and calculators. Find out the preferred geotagging templates and the licensing information for different tools.
Equirectangular projection is a map projection that maps meridians to vertical lines and circles of latitude to horizontal lines. It is also called equidistant cylindrical projection or plate carrée projection and has various applications in thematic mapping and panoramic photography.