EPSG systems

EPSG:26974 NAD83 / Indiana West

Projected system (Transverse Mercator) in use: USA - Indiana - SPCS - W. The full definition below, and conversion in one click.

System record
CodeEPSG:26974
NameNAD83 / Indiana West
TypeProjected system — Transverse Mercator
Area of use USA - Indiana - SPCS - W
United States (USA) - Indiana - counties of Benton; Boone; Carroll; Clay; Clinton; Crawford; Daviess; Dubois; Fountain; Gibson; Greene; Hendricks; Jasper; Knox; La Porte; Lake; Lawrence; Martin; Monroe; Montgomery; Morgan; Newton; Orange; Owen; Parke; Perry; Pike; Porter; Posey; Pulaski; Putnam; Spencer; Starke; Sullivan; Tippecanoe; Vanderburgh; Vermillion; Vigo; Warren; Warrick; White.
Bounds W -88,10° · S 37,77° · E -86,24° · N 41,77°
Countries United States
DatumNorth American Datum 1983
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4269 — NAD83
Unit metre (X east, Y north)
Transformation to WGS 84 NAD83 to WGS 84 (1) (EPSG:1188) — accuracy 4 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin37.5degree
Longitude of natural origin-87.08333333333333degree
Scale factor at natural origin0.999966667unity
False easting900000metre
False northing250000metre

proj4 definition

+proj=tmerc +lat_0=37.5 +lon_0=-87.0833333333333 +k=0.999966667 +x_0=900000 +y_0=250000 +a=6378137 +rf=298.257222101 +units=m +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:26974.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_StatePlane_Indiana_West_FIPS_1302",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",900000.0],PARAMETER["False_Northing",250000.0],PARAMETER["Central_Meridian",-87.0833333333333],PARAMETER["Scale_Factor",0.999966667],PARAMETER["Latitude_Of_Origin",37.5],UNIT["Meter",1.0]]

All systems — United States

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