EPSG:4150 — CH1903+
Geographic coordinate system · coordinates in degrees · Liechtenstein; Switzerland.
From
To (this page’s CRS)
EPSG:4150CH1903+
Coordinates in EPSG:4326 — one pair per line
Paste as many as you like: X,Y or X Y or X;Y (optional Z). Columns copied from Excel or a CSV work as-is.
0 coordinates detected
🔒 Runs entirely in your browser with GDAL WebAssembly — the same PROJ engine used by QGIS, PostGIS, and ArcGIS. Nothing is uploaded. Output units: degree.
Worked example — the centre of this system's area of use: 8.225, 46.815 (EPSG:4326 lon, lat) = 8.226, 46.816 (EPSG:4150).
EPSG:4150 details
TypeGeographic 2D CRS
DatumCH1903+
Unitsdegree
AxesGeodetic latitude (north) · Geodetic longitude (east)
ScopeGeodesy.
Area of use
Liechtenstein; Switzerland.
WGS84 bounds: 5.96° to 10.49° longitude, 45.82° to 47.81° latitude.
Well-known text (WKT2)
Show WKT2 definition for EPSG:4150
GEOGCRS["CH1903+",DATUM["CH1903+",ELLIPSOID["Bessel 1841",6377397.155,299.1528128,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],USAGE[SCOPE["Geodesy."],AREA["Liechtenstein; Switzerland."],BBOX[45.82,5.96,47.81,10.49]],ID["EPSG",4150]]
Related coordinate systems
Working with whole files instead?
- Reproject a vector file (Shapefile, GeoJSON, KML, GeoPackage…) to EPSG:4150
- Reproject a GeoTIFF to EPSG:4150
- Batch-convert a CSV of coordinates between coordinate systems
Registry facts from the official EPSG dataset (v11.022) as distributed with PROJ. Conversions run in your browser via GDAL/PROJ WebAssembly.