Convert coordinates from PSD93 (EPSG:4134) to WGS 72 (EPSG:4322) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
The EPSG Geodetic Parameter Dataset defines 1 transformation between PSD93 (EPSG:4134) and WGS 72 (EPSG:4322). Its parameters, accuracy and area of use are listed below.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -182.046 | metre |
| Y-axis translation(ty) | -225.604 | metre |
| Z-axis translation(tz) | 168.884 | metre |
| X-axis rotation(rx) | -0.616 | arc-second |
| Y-axis rotation(ry) | -1.655 | arc-second |
| Z-axis rotation(rz) | 7.824 | arc-second |
| Scale difference(ds) | 16.641 | parts per million |
Residuals 1.2m at 67% probability level.
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4134", "EPSG:4322", 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: Oman - onshore
+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006 +no_defs +type=crsMore about EPSG:4134 →
geographic system using latitude and longitude on an ellipsoid · Area of use: World
+proj=longlat +ellps=WGS72 +no_defs +type=crsMore about EPSG:4322 →