EPSG systems

EPSG:32023 NAD27 / Ohio South

Projected system (Lambert Conic Conformal (2SP)) in use: USA - Ohio - SPCS - S. The full definition below, and conversion in one click.

System record
CodeEPSG:32023
NameNAD27 / Ohio South
TypeProjected system — Lambert Conic Conformal (2SP)
Area of use USA - Ohio - SPCS - S
United States (USA) - Ohio - counties of Adams; Athens; Belmont; Brown; Butler; Champaign; Clark; Clermont; Clinton; Darke; Fairfield; Fayette; Franklin; Gallia; Greene; Guernsey; Hamilton; Highland; Hocking; Jackson; Lawrence; Licking; Madison; Meigs; Miami; Monroe; Montgomery; Morgan; Muskingum; Noble; Perry; Pickaway; Pike; Preble; Ross; Scioto; Vinton; Warren; Washington.
Bounds W -84,83° · S 38,40° · E -80,70° · N 40,36°
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 false origin38degree
Longitude of false origin-82.5degree
Latitude of 1st standard parallel38.733333333333334degree
Latitude of 2nd standard parallel40.03333333333333degree
Easting at false origin2000000US survey foot
Northing at false origin0US survey foot

proj4 definition

+proj=lcc +lat_0=38 +lon_0=-82.5 +lat_1=38.7333333333333 +lat_2=40.0333333333333 +x_0=609601.219202438 +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:32023.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1927_StatePlane_Ohio_South_FIPS_3402",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["Lambert_Conformal_Conic"],PARAMETER["False_Easting",2000000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-82.5],PARAMETER["Standard_Parallel_1",38.7333333333333],PARAMETER["Standard_Parallel_2",40.0333333333333],PARAMETER["Latitude_Of_Origin",38.0],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.