Download Coordinate Master APK


5( 30 )

4.0 and up

Last updated: 11-03-2020

1,000+ installs

Description of Coordinate Master

Coordinate Master [6.2] updated on 2020-03-11 created by BinaryEarth is the Tools Android App has 1,000+ downloads on Google play

This powerful geodesy app allows you to convert coordinates between many of the world’s coordinate systems, compute geoid offsets, and estimate the current or historic magnetic field for any location. It also includes a calculator tool as well as surveying tools to compute the point scale factor, grid convergence, traverse, inverse, and sun angle. You can also store multiple points and compute boundary length and area on them, or import/export them to CSV files.

Coordinate Master screenshots 2

The app uses the PROJ4 library and a lookup file containing projection and datum parameters to support over 1700 coordinate systems. Lat/lon, UTM, US coordinate syatems (including US State Plane), Australian coordinate systems (including GDA2020), UK coordinate systems (including Ordinance Survey) and many, many others are supported. You can also create your own coordinate systems if you know the parameters.The app also supports affine transformations to allow you to set up local grid systems. See for details.

The app either takes manual coordinate input or uses your current GPS location. The computed location can be displayed in Google Maps via your web browser with a single button press. It also supports MGRS grid references.

You can export any lat/lon, UTM or transverse Mercator coordinate systems to a HandyGPS datum (.hgd) file for use as a custom datum in HandyGPS.

Coordinate Master screenshots 3

The magnetic field calculator page computes the Earth’s current or historical magnetic field at a given location. The magnetic declination computed is useful for compass navigation since it represents the difference between true north and magnetic north. Field inclination and total intensity are also computed. This tool uses the International Geomagnetic Reference Field model (IGRF-12). See for full details. Years from 1900 through to 2020 are supported.

The app can also compute the geoid height offset for a given location, using the EGM96 model. Geoid offset can be subtracted from the height reported by GPS to give your actual height above sea level.

The app also includes a sun angle calculator which can be used to compute the location of the sun in the sky at any location for any date and time.

Coordinate Master screenshots 4

Online help for the app is available at

A version of this app which allows batch coordinate conversions is now available for Windows. See

Permissions required: (1) GPS – to determine your location, (2) SD card access – to read and write user projections file.
6.2 Bug fix.

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6.1: Added a sun angle calculator on main menu to compute the position of the sun in the sky.

6.0: Changed easting/northing and heights to have no decimal places by default. Removed obsolete menus on Magnetic field calculator and Preferences pages.

5.8: Fixed crash bug.

5.7: Updated to target API level 28 as required by Google.

5.6: Store altitude when point added to point list.

5.5: Use GPS altitude as well as lat/lon.

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App Information of Coordinate Master

Category: Apps, Tools


Package: binaryearth.coordsystool

Version: 6.2

Rating: 5 ( 30 )


Requirement: 4.0 and up

Updated: 11-03-2020

Installs: 1,000+

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