EPSG systems

EPSG:3618 NAD83(NSRS2007) / New Mexico Central (ftUS)

Projected system (Transverse Mercator) in use: USA - New Mexico - SPCS83 - C. The full definition below, and conversion in one click.

System record
CodeEPSG:3618
NameNAD83(NSRS2007) / New Mexico Central (ftUS)
TypeProjected system — Transverse Mercator
Area of use USA - New Mexico - SPCS83 - C
United States (USA) - New Mexico - counties of Bernalillo; Dona Ana; Lincoln; Los Alamos; Otero; Rio Arriba; Sandoval; Santa Fe; Socorro; Taos; Torrance; Valencia.
Bounds W -107,73° · S 31,78° · E -104,84° · N 37,00°
Countries United States
DatumNAD83 (National Spatial Reference System 2007)
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4759 — NAD83(NSRS2007)
Unit US survey foot (X east, Y north)
Transformation to WGS 84 NAD83(NSRS2007) to WGS 84 (1) (EPSG:15931) — accuracy 2 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin31degree
Longitude of natural origin-106.25degree
Scale factor at natural origin0.9999unity
False easting1640416.667US survey foot
False northing0US survey foot

proj4 definition

+proj=tmerc +lat_0=31 +lon_0=-106.25 +k=0.9999 +x_0=500000.0001016 +y_0=0 +ellps=GRS80 +units=us-ft +towgs84=0,0,0 +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:3618.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_NSRS2007_StatePlane_New_Mexico_Central_FIPS_3002_Ft_US",GEOGCS["GCS_NAD_1983_NSRS2007",DATUM["D_NAD_1983_NSRS2007",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",1640416.667],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-106.25],PARAMETER["Scale_Factor",0.9999],PARAMETER["Latitude_Of_Origin",31.0],UNIT["US survey foot",0.304800609601219]]

All systems — United States

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