EPSG systems

EPSG:26780 NAD27 / Kentucky South

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

System record
CodeEPSG:26780
NameNAD27 / Kentucky South
TypeProjected system — Lambert Conic Conformal (2SP)
Area of use USA - Kentucky - SPCS - S
United States (USA) - Kentucky - counties of Adair; Allen; Ballard; Barren; Bell; Boyle; Breathitt; Breckinridge; Butler; Caldwell; Calloway; Carlisle; Casey; Christian; Clay; Clinton; Crittenden; Cumberland; Daviess; Edmonson; Estill; Floyd; Fulton; Garrard; Graves; Grayson; Green; Hancock; Hardin; Harlan; Hart; Henderson; Hickman; Hopkins; Jackson; Johnson; Knott; Knox; Larue; Laurel; Lee; Leslie; Letcher; Lincoln; Livingston; Logan; Lyon; Madison; Magoffin; Marion; Marshall; Martin; McCracken; McCreary; McLean; Meade; Mercer; Metcalfe; Monroe; Muhlenberg; Nelson; Ohio; Owsley; Perry; Pike;
Bounds W -89,57° · S 36,49° · E -81,95° · N 38,17°
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 origin36.333333333333336degree
Longitude of false origin-85.75degree
Latitude of 1st standard parallel36.733333333333334degree
Latitude of 2nd standard parallel37.93333333333333degree
Easting at false origin2000000US survey foot
Northing at false origin0US survey foot

proj4 definition

+proj=lcc +lat_0=36.3333333333333 +lon_0=-85.75 +lat_1=36.7333333333333 +lat_2=37.9333333333333 +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:26780.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1927_StatePlane_Kentucky_South_FIPS_1602",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",-85.75],PARAMETER["Standard_Parallel_1",36.7333333333333],PARAMETER["Standard_Parallel_2",37.9333333333333],PARAMETER["Latitude_Of_Origin",36.3333333333333],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.