Convert coordinates from PSAD56 (EPSG:4248) to SIRGAS-Chile 2021 (EPSG:20041) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
The EPSG Geodetic Parameter Dataset defines 3 transformations between PSAD56 (EPSG:4248) and SIRGAS-Chile 2021 (EPSG:20041). Each applies to a specific area — pick the one whose area of use covers your data.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -302 | metre |
| Y-axis translation(ty) | 272 | metre |
| Z-axis translation(tz) | -360 | metre |
Also used as a transformation from PSAD56 to other realizations of SIRGAS-Chile and to WGS 84 - see code 6971.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -328 | metre |
| Y-axis translation(ty) | 340 | metre |
| Z-axis translation(tz) | -329 | metre |
Also used as a transformation from PSAD56 to other realizations of SIRGAS-Chile and to WGS 84 - see code 6972.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -352 | metre |
| Y-axis translation(ty) | 403 | metre |
| Z-axis translation(tz) | -287 | metre |
Also used as a transformation from PSAD56 to other realizations of SIRGAS-Chile and to WGS 84 - see code 6973.
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4248", "EPSG:20041", 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: South America - PSAD56 by country
+proj=longlat +ellps=intl +no_defs +type=crsMore about EPSG:4248 →
geographic system using latitude and longitude on an ellipsoid · Area of use: Chile
+proj=longlat +ellps=GRS80 +no_defs +type=crsMore about EPSG:20041 →