Convert coordinates from Beijing 1954 (EPSG:4214) 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 6 transformations between Beijing 1954 (EPSG:4214) 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) | 12.646 | metre |
| Y-axis translation(ty) | -155.176 | metre |
| Z-axis translation(tz) | -80.863 | metre |
Provided by BGP to TOTAL in June 2006.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 15.8 | metre |
| Y-axis translation(ty) | -154.4 | metre |
| Z-axis translation(tz) | -82.3 | metre |
Provided by BGP to ELF in 1994.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 11.911 | metre |
| Y-axis translation(ty) | -154.833 | metre |
| Z-axis translation(tz) | -80.079 | metre |
Provided by Sinopec to TOTAL in January 2007.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 18 | metre |
| Y-axis translation(ty) | -136.8 | metre |
| Z-axis translation(tz) | -73.7 | metre |
| X-axis rotation(rx) | 0 | arc-second |
| Y-axis rotation(ry) | 0 | arc-second |
| Z-axis rotation(rz) | 0.814 | arc-second |
| Scale difference(ds) | -0.38 | parts per million |
Concatenated via WGS 72BE. Recomputation by Shelltech in 1981 of SSB 1980 observation.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 15.53 | metre |
| Y-axis translation(ty) | -113.82 | metre |
| Z-axis translation(tz) | -41.38 | metre |
| X-axis rotation(rx) | 0 | arc-second |
| Y-axis rotation(ry) | 0 | arc-second |
| Z-axis rotation(rz) | 0.814 | arc-second |
| Scale difference(ds) | -0.38 | parts per million |
Derived via WGS 72BE. Original transformation derived in 1979 at 4 stations on Yellow Sea coast.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 31.4 | metre |
| Y-axis translation(ty) | -144.3 | metre |
| Z-axis translation(tz) | -74.8 | metre |
| X-axis rotation(rx) | 0 | arc-second |
| Y-axis rotation(ry) | 0 | arc-second |
| Z-axis rotation(rz) | 0.814 | arc-second |
| Scale difference(ds) | -0.38 | parts per million |
Derived via WGS 72BE. Original transformation derived by GSI in 1980-81. The GSI memo incorrectly gave the parameters as from WGS 72 to Beijing 1954, but it has been determined by the OGP that the memo should have stated from Beijing 1954 to WGS 72BE.
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4214", "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: China
+proj=longlat +ellps=krass +no_defs +type=crsMore about EPSG:4214 →
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 →