Convert coordinates from Chos Malal 1914 (EPSG:4160) to WGS 84 (EPSG:4326) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
The EPSG Geodetic Parameter Dataset defines 3 transformations between Chos Malal 1914 (EPSG:4160) and WGS 84 (EPSG:4326). Each applies to a specific area — pick the one whose area of use covers your data.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 8.88 | metre |
| Y-axis translation(ty) | 184.86 | metre |
| Z-axis translation(tz) | 106.69 | metre |
Derived through common coordinates at 13 stations.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 15.75 | metre |
| Y-axis translation(ty) | 164.93 | metre |
| Z-axis translation(tz) | 126.18 | metre |
Derived through common coordinates at 43 stations.
May be implemented using a single step geocentric translations of dx=+5.5m dY=+176.7m dZ=+141.4m.
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4160", "EPSG:4326", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)geographic system using latitude and longitude on an ellipsoid · Area of use: Argentina - Mendoza and Neuquen
+proj=longlat +ellps=intl +no_defs +type=crsMore about EPSG:4160 →
geographic system using latitude and longitude on an ellipsoid · Area of use: World (by country)
+proj=longlat +datum=WGS84 +no_defs +type=crsMore about EPSG:4326 →