S-JTSK (Ferro) to S-JTSK (1)
EPSG:1884±0 m- Method:
- Longitude rotation
- Area of use:
- Europe - Czechoslovakia
- Scope:
- Change of prime meridian.
| Parameter | Value | Unit |
|---|---|---|
| Longitude offset | -17.4 | sexagesimal DMS |
Convert S-JTSK (Ferro) to S-JTSK
Convert coordinates from S-JTSK (Ferro) (EPSG:4818) to S-JTSK (EPSG:4156) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
Official EPSG transformation from S-JTSK (Ferro) to S-JTSK
The EPSG Geodetic Parameter Dataset defines 1 transformation between S-JTSK (Ferro) (EPSG:4818) and S-JTSK (EPSG:4156). Its parameters, accuracy and area of use are listed below.
Convert EPSG:4818 to EPSG:4156 in code
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4818", "EPSG:4156", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)Source: EPSG:4818 — S-JTSK (Ferro)
geographic system using latitude and longitude on an ellipsoid · Area of use: Europe - Czechoslovakia
+proj=longlat +ellps=bessel +pm=ferro +towgs84=589,76,480,0,0,0,0 +no_defs +type=crsMore about EPSG:4818 →
Target: EPSG:4156 — S-JTSK
geographic system using latitude and longitude on an ellipsoid · Area of use: Europe - Czechoslovakia
+proj=longlat +ellps=bessel +towgs84=589,76,480,0,0,0,0 +no_defs +type=crsMore about EPSG:4156 →
Frequently asked questions
- How accurate is converting S-JTSK (Ferro) to S-JTSK?
- 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.