EPSG systems

EPSG:2957 NAD83(CSRS) / UTM zone 13N

Projected system (Transverse Mercator) in use: Canada - 108°W to 102°W. The full definition below, and conversion in one click.

System record
CodeEPSG:2957
NameNAD83(CSRS) / UTM zone 13N
TypeProjected system — Transverse Mercator
Area of use Canada - 108°W to 102°W
Canada between 108°W and 102°W onshore and offshore - Northwest Territories, Nunavut, Saskatchewan.
Bounds W -108,00° · S 48,99° · E -102,00° · N 84,00°
Countries Canada
DatumNAD83 Canadian Spatial Reference System
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4617 — NAD83(CSRS)
Unit metre (E east, N north)
Transformation to WGS 84 NAD83(CSRS) to WGS 84 (2) (EPSG:1946) — accuracy 1 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin-105degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing0metre

proj4 definition

+proj=utm +zone=13 +ellps=GRS80 +units=m +towgs84=-0.991,1.9072,0.5129,0.02579,0.00965,0.01166,0 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:2957.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_CSRS_UTM_Zone_13N",GEOGCS["GCS_North_American_1983_CSRS",DATUM["D_North_American_1983_CSRS",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-105.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Canada

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.