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EPSG:4737 — KGD2002

Korea 2000 — South Korea's current geodetic datum, used by the cadastre and national mapping.

Code
EPSG:4737
Type
Geographic 2D
Area
South Korea

PROJ definition

+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs

Geographic bounds

W 122.71°   S 28.6°   E 134.28°   N 40.27°

Convert coordinates with EPSG:4737

Official EPSG transformations for KGD2002

Datum transformations involving EPSG:4737 published in the EPSG dataset, with parameters, accuracy and area of use:

About EPSG:4737

EPSG:4737 is the Korean Geodetic Datum 2002 (KGD2002, also called Korea 2000), aligned with ITRF2000 at epoch 2002.0 on the GRS 80 ellipsoid. It replaced the older Tokyo Datum-based Korean systems and aligns South Korean mapping with global GNSS-derived coordinates.

The matching projected CRSs include Korea 2000 / Unified CS (EPSG:5179, also called UTM-K), the Korea 2000 / West, Central, East, and East Sea Belts (EPSG:5181-5188) used by the cadastre, and Korea 2000 / Korea Central Belt (EPSG:5186). The National Geographic Information Institute (NGII) is the authoritative source for Korean spatial data.

Common use cases

  • South Korean national mapping (NGII)
  • Korean cadastre and Land Registry
  • Local-authority GIS
  • Korean GNSS reference station data

Common transformations from EPSG:4737

Frequently asked questions

Is Korea 2000 the same as WGS 84?
Very close but not identical. Both use the same ellipsoid family (GRS 80) and are ITRF-aligned, but each has its own realisation. For surveying-grade work apply the official Helmert parameters published by NGII.
What is the proj4 string for EPSG:4737?
The proj4 definition for EPSG:4737 is: +proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs
Where is EPSG:4737 used?
EPSG:4737 (KGD2002) is defined for the area: South Korea.