Online coordinate converter from Xian 1980 / Gauss-Kruger CM 111E (EPSG:2344) to WGS 84 / World Mercator (EPSG:3395). Enter your source coordinates and get the result instantly. All transformations happen in your browser — no data is sent to any server.
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:2344", "EPSG:3395", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)projected system measured in linear units (typically metres) · Area of use: China - 108°E to 114°E onshore
+proj=tmerc +lat_0=0 +lon_0=111 +k=1 +x_0=500000 +y_0=0 +ellps=IAU76 +units=m +no_defs +type=crsMore about EPSG:2344 →
projected system measured in linear units (typically metres) · Area of use: World - between 80°S and 84°N
+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs +type=crsMore about EPSG:3395 →