EPSG systems

EPSG:5180 KGD2002 / West Belt

Projected system (Transverse Mercator) in use: Korea, Republic of (South Korea) - 124°E to 126°E onshore. The full definition below, and conversion in one click.

System record
CodeEPSG:5180
NameKGD2002 / West Belt
TypeProjected system — Transverse Mercator
Area of use Korea, Republic of (South Korea) - 124°E to 126°E onshore
Republic of Korea (South Korea) - onshore between 124°E and 126°E.
Bounds W 124,53° · S 33,99° · E 126,00° · N 38,04°
Countries South Korea
DatumKorean Geodetic Datum 2002
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4737 — KGD2002
Unit metre (X north, Y east)
Transformation to WGS 84 KGD2002 to WGS 84 (1) (EPSG:15831) — accuracy 1 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin38degree
Longitude of natural origin125degree
Scale factor at natural origin1unity
False easting200000metre
False northing500000metre

proj4 definition

+proj=tmerc +lat_0=38 +lon_0=125 +k=1 +x_0=200000 +y_0=500000 +ellps=GRS80 +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:5180.

WKT (ESRI format, the .prj content)

PROJCS["KGD2002_West_Belt",GEOGCS["GCS_KGD2002",DATUM["D_Korea_Geodetic_Datum_2002",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",200000.0],PARAMETER["False_Northing",500000.0],PARAMETER["Central_Meridian",125.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",38.0],UNIT["Meter",1.0]]

All systems — South Korea

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