POSGAR 98 to SIRGAS 1995 (1)
EPSG:1774±0 m- Method:
- Geocentric translations (geog2D domain)
- Area of use:
- Argentina
- Scope:
- Geodesy.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 0 | metre |
| Y-axis translation(ty) | 0 | metre |
| Z-axis translation(tz) | 0 | metre |
Convert POSGAR 98 to SIRGAS 1995
Convert coordinates from POSGAR 98 (EPSG:4190) to SIRGAS 1995 (EPSG:4170) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
Official EPSG transformation from POSGAR 98 to SIRGAS 1995
The EPSG Geodetic Parameter Dataset defines 1 transformation between POSGAR 98 (EPSG:4190) and SIRGAS 1995 (EPSG:4170). Its parameters, accuracy and area of use are listed below.
Convert EPSG:4190 to EPSG:4170 in code
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4190", "EPSG:4170", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)Source: EPSG:4190 — POSGAR 98
geographic system using latitude and longitude on an ellipsoid · Area of use: Argentina
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crsMore about EPSG:4190 →
Target: EPSG:4170 — SIRGAS 1995
geographic system using latitude and longitude on an ellipsoid · Area of use: South America - SIRGAS 1995 by country
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crsMore about EPSG:4170 →
Frequently asked questions
- How accurate is converting POSGAR 98 to SIRGAS 1995?
- The most accurate official EPSG transformation between these systems is accurate to about ±0 m within its stated area of use. Browser-based converters approximate datum shifts with Helmert parameters; for surveying-grade work apply the official transformation in a desktop GIS.
- Does my data leave the browser when I use this converter?
- No. All coordinate transformations are computed locally in your browser using proj4js. The coordinates you enter are never transmitted to any server.