EPSG systems

EPSG:2172 Pulkovo 1942(58) / Poland zone II

Projected system (Oblique Stereographic) in use: Poland - zone II. The full definition below, and conversion in one click.

System record
CodeEPSG:2172
NamePulkovo 1942(58) / Poland zone II
TypeProjected system — Oblique Stereographic
Area of use Poland - zone II
Poland - northeast - onshore north of 51°20'N and east of 19°E.
Bounds W 19,00° · S 51,33° · E 23,95° · N 54,51°
Countries Poland
DatumPulkovo 1942(58)
Ellipsoid Krassowsky 1940 a = 6378245 m · 1/f = 298.3
Base geographic system EPSG:4179 — Pulkovo 1942(58)
Unit metre (X north, Y east)
Transformation to WGS 84 Pulkovo 1942(58) to WGS 84 (1) (EPSG:1645) — accuracy 1 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin53.00194444444445degree
Longitude of natural origin21.502777777777776degree
Scale factor at natural origin0.9998unity
False easting4603000metre
False northing5806000metre

proj4 definition

+proj=sterea +lat_0=53.0019444444444 +lon_0=21.5027777777778 +k=0.9998 +x_0=4603000 +y_0=5806000 +ellps=krass +units=m +towgs84=33.4,-146.6,-76.3,-0.359,-0.053,0.844,-0.84 +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:2172.

WKT (ESRI format, the .prj content)

PROJCS["Pulkovo_1942_Adj_1958_Poland_Zone_II",GEOGCS["GCS_Pulkovo_1942_Adj_1958",DATUM["D_Pulkovo_1942_Adj_1958",SPHEROID["Krasovsky_1940",6378245.0,298.3]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Double_Stereographic"],PARAMETER["False_Easting",4603000.0],PARAMETER["False_Northing",5806000.0],PARAMETER["Central_Meridian",21.5027777777778],PARAMETER["Scale_Factor",0.9998],PARAMETER["Latitude_Of_Origin",53.0019444444444],UNIT["Meter",1.0]]

All systems — Poland

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