EPSG systems

EPSG:2056 CH1903+ / LV95

Projected system (Hotine Oblique Mercator (variant B)) in use: Europe - Liechtenstein and Switzerland. The full definition below, and conversion in one click.

System record
CodeEPSG:2056
NameCH1903+ / LV95
TypeProjected system — Hotine Oblique Mercator (variant B)
Area of use Europe - Liechtenstein and Switzerland
Liechtenstein; Switzerland.
Bounds W 5,96° · S 45,82° · E 10,49° · N 47,81°
Countries Liechtenstein, Switzerland
DatumCH1903+
Ellipsoid Bessel 1841 a = 6377397.155 m · 1/f = 299.1528128
Base geographic system EPSG:4150 — CH1903+
Unit metre (E east, N north)
Transformation to WGS 84 CH1903+ to WGS 84 (1) (EPSG:1676) — accuracy 1 m
ScopeCadastre, engineering survey, topographic mapping (large and medium scale).

Projection parameters

ParameterValueUnit
Latitude of projection centre46.95240555555556degree
Longitude of projection centre7.439583333333333degree
Azimuth at projection centre90degree
Angle from Rectified to Skew Grid90degree
Scale factor at projection centre1unity
Easting at projection centre2600000metre
Northing at projection centre1200000metre

proj4 definition

+proj=somerc +lat_0=46.9524055555556 +lon_0=7.43958333333333 +k_0=1 +x_0=2600000 +y_0=1200000 +ellps=bessel +units=m +towgs84=674.374,15.056,405.346 +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:2056.

WKT (ESRI format, the .prj content)

PROJCS["CH1903+_LV95",GEOGCS["GCS_CH1903+",DATUM["D_CH1903+",SPHEROID["Bessel_1841",6377397.155,299.1528128]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["False_Easting",2600000.0],PARAMETER["False_Northing",1200000.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Azimuth",90.0],PARAMETER["Longitude_Of_Center",7.43958333333333],PARAMETER["Latitude_Of_Center",46.9524055555556],UNIT["Meter",1.0]]

All systems — Liechtenstein

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