Convert coordinates from Tokyo 1892 (EPSG:5132) to Korean 1985 (EPSG:4162) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
The EPSG Geodetic Parameter Dataset defines 1 transformation between Tokyo 1892 (EPSG:5132) and Korean 1985 (EPSG:4162). Its parameters, accuracy and area of use are listed below.
| Parameter | Value | Unit |
|---|---|---|
| Longitude offset | 10.405 | arc-second |
Caused by redetermination of longitude of Tokyo datum origin in 1918. Korean 1985 is based on the 1918 determination.
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:5132", "EPSG:4162", 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: Asia - Japan and Korea
+proj=longlat +ellps=bessel +towgs84=-146.414,507.337,680.507,0,0,0,0 +no_defs +type=crsMore about EPSG:5132 →
geographic system using latitude and longitude on an ellipsoid · Area of use: South Korea - onshore
+proj=longlat +ellps=bessel +no_defs +type=crsMore about EPSG:4162 →