EPSG systems

EPSG:4314 DHDN

Geographic system in latitude and longitude, in use: Germany - West Germany all states. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4314
NameDHDN
TypeGeographic system
Area of use Germany - West Germany all states
Germany - states of former West Germany onshore - Baden-Wurtemberg, Bayern, Bremen, Hamburg, Hessen, Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Saarland, Schleswig-Holstein.
Bounds W 5,86° · S 47,27° · E 13,84° · N 55,09°
Countries Germany
DatumDeutsches Hauptdreiecksnetz
Ellipsoid Bessel 1841 a = 6377397.155 m · 1/f = 299.1528128
Unit degree (Lat north, Lon east)
Transformation to WGS 84 DHDN to WGS 84 (2) (EPSG:1777) — accuracy 3 m
ScopeGeodesy.

proj4 definition

+proj=longlat +ellps=bessel +towgs84=598.1,73.7,418.2,0.202,0.045,-2.455,6.7 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4314.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Deutsches_Hauptdreiecksnetz",DATUM["D_Deutsches_Hauptdreiecksnetz",SPHEROID["Bessel_1841",6377397.155,299.1528128]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Germany

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.