EPSG systems

EPSG:26773 NAD27 / Indiana East

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

System record
CodeEPSG:26773
NameNAD27 / Indiana East
TypeProjected system — Transverse Mercator
Area of use USA - Indiana - SPCS - E
United States (USA) - Indiana - counties of Adams; Allen; Bartholomew; Blackford; Brown; Cass; Clark; De Kalb; Dearborn; Decatur; Delaware; Elkhart; Fayette; Floyd; Franklin; Fulton; Grant; Hamilton; Hancock; Harrison; Henry; Howard; Huntington; Jackson; Jay; Jefferson; Jennings; Johnson; Kosciusko; Lagrange; Madison; Marion; Marshall; Miami; Noble; Ohio; Randolph; Ripley; Rush; Scott; Shelby; St Joseph; Steuben; Switzerland; Tipton; Union; Wabash; Washington; Wayne; Wells; Whitley.
Bounds W -86,59° · S 37,95° · E -84,78° · N 41,77°
Countries United States
DatumNorth American Datum 1927
Ellipsoid Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214
Base geographic system EPSG:4267 — NAD27
Unit US survey foot (X east, Y north)
Transformation to WGS 84 NAD27 to WGS 84 (4) (EPSG:1173) — accuracy 10 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin37.5degree
Longitude of natural origin-85.66666666666667degree
Scale factor at natural origin0.999966667unity
False easting500000US survey foot
False northing0US survey foot

proj4 definition

+proj=tmerc +lat_0=37.5 +lon_0=-85.6666666666667 +k=0.999966667 +x_0=152400.30480061 +y_0=0 +a=6378206.4000000004 +rf=294.9786982139 +units=us-ft +towgs84=-8,160,176 +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:26773.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1927_StatePlane_Indiana_East_FIPS_1301",GEOGCS["GCS_North_American_1927",DATUM["D_North_American_1927",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-85.6666666666667],PARAMETER["Scale_Factor",0.999966667],PARAMETER["Latitude_Of_Origin",37.5],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.