Convert coordinates from Hjorsey 1955 (EPSG:4658) 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 2 transformations between Hjorsey 1955 (EPSG:4658) 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) | -73 | metre |
| Y-axis translation(ty) | 46 | metre |
| Z-axis translation(tz) | -86 | metre |
Derived at 6 stations. Accuracy 3m, 3m and 5m in X, Y and Z axes. Replaced by Hjorsey 1955 to WGS 84 (2) (code 6909).
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -73 | metre |
| Y-axis translation(ty) | 47 | metre |
| Z-axis translation(tz) | -83 | metre |
Derived at 16 stations. Accuracy 3m, 3m and 6m in X, Y and Z axes. Replaces Hjorsey 1955 to WGS 84 (1) (code 1951).
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4658", "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: Iceland - mainland
+proj=longlat +ellps=intl +towgs84=-73,47,-83,0,0,0,0 +no_defs +type=crsMore about EPSG:4658 →
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 →