EPSG systems

EPSG:5179 KGD2002 / Unified CS

Projected system (Transverse Mercator) in use: Korea, Republic of (South Korea). The full definition below, and conversion in one click.

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System record
Code	EPSG:5179
Name	KGD2002 / Unified CS
Type	Projected system — Transverse Mercator
Area of use	Korea, Republic of (South Korea) Republic of Korea (South Korea) - onshore and offshore.
Bounds	W 122,71° · S 28,60° · E 134,28° · N 40,27°
Countries	South Korea
Datum	Korean 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
Scope	Topographic mapping (small scale).

Projection parameters

Parameter	Value	Unit
Latitude of natural origin	38	degree
Longitude of natural origin	127.5	degree
Scale factor at natural origin	0.9996	unity
False easting	1000000	metre
False northing	2000000	metre

proj4 definition

+proj=tmerc +lat_0=38 +lon_0=127.5 +k=0.9996 +x_0=1000000 +y_0=2000000 +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:5179.

WKT (ESRI format, the .prj content)

PROJCS["KGD2002_Unified_Coordinate_System",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",1000000.0],PARAMETER["False_Northing",2000000.0],PARAMETER["Central_Meridian",127.5],PARAMETER["Scale_Factor",0.9996],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.

Projection parameters

proj4 definition

WKT (ESRI format, the .prj content)

Other systems — South Korea