EPSG Geodetic Parameter Dataset
Version: 9.8.6
EPSG Geodetic Parameter Registry
Version: 9.8.6
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OGP Default With Code

Projected CRS
Name DHDN / 3-degree Gauss-Kruger zone 4 VALID
Aliases Alias Naming System Remarks
DHDN / Gauss-Kruger zone 4 Germany alternative identifier
DE_DHDN / GK_3 EuroGeographics Identifier This EuroGeographics identifier is used for each of zones 2 to 5 inclusive. (Note: In this identifier, GK_3 indicates system zone width, not zone number).
DHDN / 3GK zone 4 EPSG abbreviation
Scope Large and medium scale topographic mapping and engineering survey, cadastral survey.
Remarks Zone width 3 degrees. Also used offshore by State Geological Surveys. Not used offshore in oil industry. See CRS code 5678 for variant with axes order reversed to easting before northing for use in GIS applications.
Area Description Germany - former West Germany onshore between 10°30'E and 13°30'E - states of Bayern, Berlin, Niedersachsen, Schleswig-Holstein.
Derived From Base CRS Name DHDN
Base CRS Type geographic 2D
Geodetic Datum Deutsches Hauptdreiecksnetz    —    Alias(es): [DHDN]
Prime Meridian Greenwich
Ellipsoid Bessel 1841
Semi-Major Axis (a) 6377397.155 metre
Inverse flattening 299.1528128 unity
Map Projection Name 3-degree Gauss-Kruger zone 4    —    Alias(es): [3-degree Gauss zone 4]
Operation Method Transverse Mercator    —    Alias(es): [Gauss-Kruger, TM, Gauss-Boaga]
Is the operation reversible? Yes
Conversion Parameters Parameter Name Parameter Value or Parameter File Unit of Measure Sign Reversal
Latitude of natural origin
degree No
Longitude of natural origin
degree No
Scale factor at natural origin 1 unity No
False easting 4500000 metre No
False northing 0 metre No
Coordinate Axes Order Axis Name Abbrev. Unit of Measure Orientation
1 Northing X metre north
2 Easting Y metre east