EPSG:5174 — Korean 1985 / Modified Central Belt

Projected · South Korea - 126°E to 128°E mainland

Export Formats

OGC WKT

PROJCS[
    "Korean 1985 / Modified Central Belt",
    GEOGCS[
        "Korean 1985",
        DATUM[
            "Korean_Datum_1985",
            SPHEROID["Bessel 1841",6377397.155,299.1528128],
            TOWGS84[-145.907,505.034,685.756,-1.162,2.347,1.592,6.342]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4162"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",38],
    PARAMETER["central_meridian",127.002890277778],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",200000],
    PARAMETER["false_northing",500000],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","5174"]
]

WKT2

PROJCRS[
    "Korean 1985 / Modified Central Belt",
    BASEGEOGCRS[
        "Korean 1985",
        DATUM[
            "Korean Datum 1985",
            ELLIPSOID[
                "Bessel 1841",
                6377397.155,
                299.1528128,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7004]
            ],
            ID["EPSG",6162]
        ],
        ID["EPSG",4162]
    ],
    CONVERSION[
        "Korea Modified Central Belt",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            38,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            127.002890277778,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            1,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            200000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",5162]
    ],
    CS[Cartesian,2,ID["EPSG",4530]],
    AXIS["Northing (X)",north],
    AXIS["Easting (Y)",east],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",5174]
]

PROJ.4

+proj=tmerc +lat_0=38 +lon_0=127.002890277778 +k=1 +x_0=200000 +y_0=500000 +ellps=bessel +towgs84=-145.907,505.034,685.756,-1.162,2.347,1.592,6.342 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:5174", "+proj=tmerc +lat_0=38 +lon_0=127.002890277778 +k=1 +x_0=200000 +y_0=500000 +ellps=bessel +towgs84=-145.907,505.034,685.756,-1.162,2.347,1.592,6.342 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 5174,
  "name": "Korean 1985 / Modified Central Belt",
  "kind": "projected",
  "area": "South Korea - 126°E to 128°E mainland",
  "unit": "metre",
  "bbox": [
    33.96,
    126,
    38.33,
    128
  ],
  "proj4": "+proj=tmerc +lat_0=38 +lon_0=127.002890277778 +k=1 +x_0=200000 +y_0=500000 +ellps=bessel +towgs84=-145.907,505.034,685.756,-1.162,2.347,1.592,6.342 +units=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (5174, 'EPSG', 5174, '+proj=tmerc +lat_0=38 +lon_0=127.002890277778 +k=1 +x_0=200000 +y_0=500000 +ellps=bessel +towgs84=-145.907,505.034,685.756,-1.162,2.347,1.592,6.342 +units=m +no_defs +type=crs', 'PROJCS["Korean 1985 / Modified Central Belt",GEOGCS["Korean 1985",DATUM["Korean_Datum_1985",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[-145.907,505.034,685.756,-1.162,2.347,1.592,6.342]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4162"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",38],PARAMETER["central_meridian",127.002890277778],PARAMETER["scale_factor",1],PARAMETER["false_easting",200000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5174"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=38"
  "+lon_0=127.002890277778"
  "+k=1"
  "+x_0=200000"
  "+y_0=500000"
  "+ellps=bessel"
  "+towgs84=-145.907,505.034,685.756,-1.162,2.347,1.592,6.342"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

5174=PROJCS["Korean 1985 / Modified Central Belt",GEOGCS["Korean 1985",DATUM["Korean_Datum_1985",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[-145.907,505.034,685.756,-1.162,2.347,1.592,6.342]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4162"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",38],PARAMETER["central_meridian",127.002890277778],PARAMETER["scale_factor",1],PARAMETER["false_easting",200000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5174"]]

Related Coordinate Systems

Available Transformations (3)

Transformations inherited from base CRS: EPSG:4162 (Korean 1985)

Transformation	Source → Target	Accuracy (m)
Tokyo 1892 to Korean 1985 (1)	5132 → 4162	0
Korean 1985 to KGD2002 (1)	4162 → 4737	1
Korean 1985 to WGS 84 (1)	4162 → 4326	1

Other CRS using Korean Datum 1985

Frequently Asked Questions

How do I add EPSG:5174 to GeoServer?

Add the following definition to your GeoServer configuration:

5174=PROJCS["Korean 1985 / Modified Central Belt",GEOGCS["Korean 1985",DATUM["Korean_Datum_1985",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[-145.907,505.034,685.756,-1.162,2.347,1.592,6.342]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4162"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",38],PARAMETER["central_meridian",127.002890277778],PARAMETER["scale_factor",1],PARAMETER["false_easting",200000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5174"]]

Read the full GeoServer guide →

How do I add EPSG:5174 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (5174, 'EPSG', 5174, '+proj=tmerc +lat_0=38 +lon_0=127.002890277778 +k=1 +x_0=200000 +y_0=500000 +ellps=bessel +towgs84=-145.907,505.034,685.756,-1.162,2.347,1.592,6.342 +units=m +no_defs +type=crs', 'PROJCS["Korean 1985 / Modified Central Belt",GEOGCS["Korean 1985",DATUM["Korean_Datum_1985",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[-145.907,505.034,685.756,-1.162,2.347,1.592,6.342]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4162"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",38],PARAMETER["central_meridian",127.002890277778],PARAMETER["scale_factor",1],PARAMETER["false_easting",200000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5174"]]');

Read the full PostGIS guide →

How do I add EPSG:5174 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=38"
  "+lon_0=127.002890277778"
  "+k=1"
  "+x_0=200000"
  "+y_0=500000"
  "+ellps=bessel"
  "+towgs84=-145.907,505.034,685.756,-1.162,2.347,1.592,6.342"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:5174 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:5174", "+proj=tmerc +lat_0=38 +lon_0=127.002890277778 +k=1 +x_0=200000 +y_0=500000 +ellps=bessel +towgs84=-145.907,505.034,685.756,-1.162,2.347,1.592,6.342 +units=m +no_defs +type=crs");

Read the full Proj4js guide →

Type

Projected

Unit

metre

Geodetic CRS

Korean 1985

Datum

Korean Datum 1985

Ellipsoid

Bessel 1841

Prime Meridian

Greenwich

Area of Use

South Korea - 126°E to 128°E mainland

Republic of Korea (South Korea) - between 126°E and 128°E - mainland and nearshore.

Coordinate System

Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.

Center Coordinates

199934.19 293813.69

Projected Bounds

536782.34 107492.73287384.90 51857.89

WGS84 Bounds

38.33 126.00128.00 33.96

Data Source

EPSG

Information Source

Korean Association of Surveying and Mapping.

Revision Date

2023-07-17

Scope

Cadastre, engineering survey, topographic mapping (large and medium scale).

Remarks

Unofficial system replacing Korean 1985 / Central Belt (code 2097) to correct 10.405" longitude difference and make grid for most practical purposes coincident with Tokyo 1892 / Central Belt (code 5170). Replaced by KGD2002 / Central Belt (code 5181).

EPSG

5174

ESRI Equivalent

ESRI:102086