![]() ![]() Note! - keep the first line in the text box untouched. Click "Convert!" to add latitude and longitude to the coordinates. Replace the coordinates below with a comma separated (CSV) list with one UTM point on every line. You can use the tool below to convert a list of many UTM coordinate points to their latitude and longitude values. However, for high-precision surveying work - be aware that the two systems deviates more than half a meter. Note that the World Geodetic System WGS84 and the European Reference System ETRS89 are virtually identical and that coordinate transformation between the two systems in practical navigation is unnecessary. The east coordinate is the distance from the central median. The UTM north coordinate is the projected distance from equator for all zones. ![]() The units for both east and north coordinates are meters. Each zone is based on a specifically defined secant Transverse Mercator projection. The UTM system is not a single map projection but instead series of sixty zones. In the UTM coordinate system a grid is used to specify locations on the surface of the Earth. Make a Shortcut to this Calculator on Your Home Screen?.*) Based on the WGS84 Datum - the calculator is valid for the northern hemisphere. The function convertProjectedToLatLon will return the latitude and longitude in the WGS84 coordinate system.Convert from UTM - Universal Transverse Mercator - coordinates to latitude and longitude coordinates. Just replace x, y, and sourceEpsg with your coordinates and EPSG code, respectively. import pyprojĭef convert_projected_to_latlon(x, y, source_epsg, dest_epsg=4326): You can change these codes according to your requirements. In this example, I am using the UTM Zone 32N (EPSG:32632) as the source coordinate system, and WGS84 (EPSG:4326) as the destination coordinate system. ![]() Make sure you know the EPSG (European Petroleum Survey Group) codes for both the source and destination coordinate systems. Next, you can use the following Python script to perform the conversion. First, you need to install the library if you haven’t done so already: pip install pyproj To convert projected coordinates to latitude and longitude using Python, you can use the pyproj library, which is a wrapper around the PROJ library. Want to stay ahead of the geospatial curve? Listen to our podcast! Converting projected coordinates to lat/lon using Python Libraries like pyproj in Python, sf in R, and proj4js in JavaScript are commonly used to perform these conversions. ![]() The conversion process requires knowledge of the source (projected) and destination (geographic) coordinate systems, and sometimes additional parameters, such as the datum or projection parameters. This conversion is essential when you need to perform tasks that involve geospatial data in different coordinate systems, such as overlaying data from various sources, calculating distances, or performing spatial analyses. When you convert projected coordinates to latitude and longitude, you are transforming coordinates from a flat, Cartesian grid to a curved coordinate system that takes into account the Earth’s shape. The most commonly used geographic coordinate system is the World Geodetic System 1984 (WGS84). In this system, latitude is the angle measured from the equator to a point on the Earth’s surface, while longitude is the angle measured from the Prime Meridian (which passes through Greenwich, England) to a point on the Earth’s surface. Latitude and longitude (lat/lon) are part of a geographic coordinate system that represents points on the Earth’s surface using angles. Examples of projected coordinate systems include Universal Transverse Mercator (UTM), State Plane Coordinate System (SPCS), and Lambert Conformal Conic. They are especially useful for regional or local mapping, where distortions introduced by the projection are minimal. Projected coordinate systems are used to represent the Earth’s curved surface on a flat plane. What is the difference between projected coordinates and latitude and longitudeĬonverting projected coordinates to latitude and longitude (lat/lon) means transforming coordinates from a two-dimensional, Cartesian coordinate system to a geographic coordinate system based on a sphere or ellipsoid (such as Earth). ![]()
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