Online coordinate converter from WGS 84 / Pseudo-Mercator (EPSG:3857) to NAD83(CSRS) / MTM zone 3 (EPSG:2945). 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:3857", "EPSG:2945", 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: World - 85°S to 85°N
+proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs +type=crsMore about EPSG:3857 →
projected system measured in linear units (typically metres) · Area of use: Canada - Quebec, Newfoundland and Labrador - MTM zone 3
+proj=tmerc +lat_0=0 +lon_0=-58.5 +k=0.9999 +x_0=304800 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crsMore about EPSG:2945 →