EPSG:2445

JGD2000 / Japan Plane Rectangular CS III

Available transformations
to EPSG:6668
EPSG:6668 - JGD2024

Selected transformation

Name: JGD2000 to JGD2024 (1)

Method: NTv2

Grid Files: touhokutaiheiyouoki2011.gsb

Remarks: NTv2 grid derived by ESRI from that supplied by GSI in application patchjgd. On adoption of JGD2024 (vertical) with effect from 1st April 2025, the name of the target CRS was changed from JGD2011 to JGD2024; there is no change of definition or of coordinate values.

Information source: ESRI

Revision date: 2026-06-17

Attributes

Unit: metre

Geodetic CRS: JGD2000

Datum: Japanese Geodetic Datum 2000

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: Geographic Survey Institute; Japan. http://vldb.gsi.go.jp/sokuchi/datum/tokyodatum.html

Revision date: 2002-06-22

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

Remarks: Replaces Tokyo / Japan Plane Rectangular CS III (code 30163).

Area of use: Japan - onshore - Honshu west of approximately 133°15'E - Yamaguchi-ken; Shimane-ken; Hiroshima-ken.

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

MapTiler banner

Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        PROJCRS["JGD2000 / Japan Plane Rectangular CS III",
            BASEGEOGCRS["JGD2000",
                DATUM["Japanese Geodetic Datum 2000",
                    ELLIPSOID["GRS 1980",6378137,298.257222101,
                        LENGTHUNIT["metre",1]]],
                PRIMEM["Greenwich",0,
                    ANGLEUNIT["degree",0.0174532925199433]],
                ID["EPSG",4612]],
            CONVERSION["Japan Plane Rectangular CS zone III",
                METHOD["Transverse Mercator",
                    ID["EPSG",9807]],
                PARAMETER["Latitude of natural origin",36,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8801]],
                PARAMETER["Longitude of natural origin",132.166666666667,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8802]],
                PARAMETER["Scale factor at natural origin",0.9999,
                    SCALEUNIT["unity",1],
                    ID["EPSG",8805]],
                PARAMETER["False easting",0,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8806]],
                PARAMETER["False northing",0,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8807]]],
            CS[Cartesian,2],
                AXIS["northing (X)",north,
                    ORDER[1],
                    LENGTHUNIT["metre",1]],
                AXIS["easting (Y)",east,
                    ORDER[2],
                    LENGTHUNIT["metre",1]],
            USAGE[
                SCOPE["Cadastre, engineering survey, topographic mapping (large and medium scale)."],
                AREA["Japan - onshore - Honshu west of approximately 133°15'E - Yamaguchi-ken; Shimane-ken; Hiroshima-ken."],
                BBOX[33.72,130.81,36.38,133.49]],
            ID["EPSG",2445]]],
    TARGETCRS[
        GEOGCRS["JGD2024",
            DATUM["Japanese Geodetic Datum 2024",
                ELLIPSOID["GRS 1980",6378137,298.257222101,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,2],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
            USAGE[
                SCOPE["Horizontal component of 3D system."],
                AREA["Japan - onshore and offshore."],
                BBOX[17.09,122.38,46.05,157.65]],
            ID["EPSG",6668],
            REMARK["Replaces JGD2000 (CRS code 4612) with effect from 21st October 2011. On adoption of JGD2024 (vertical) with effect from 1st April 2025, the name of this geodetic CRS was changed from JGD2011 to JGD2024; there is no change of definition or of coordinate values."]]],
    ABRIDGEDTRANSFORMATION["JGD2000 to JGD2024 (1)",
        METHOD["NTv2",
            ID["EPSG",9615]],
        PARAMETERFILE["Latitude and longitude difference file","touhokutaiheiyouoki2011.gsb"],
        USAGE[
            SCOPE["Readjustment of coordinates to account for ground deformation caused by 2011 Tohoku earthquake."],
            AREA["Japan - northern Honshu prefectures affected by 2011 Tohoku earthquake: Aomori, Iwate, Miyagi, Akita, Yamaguta, Fukushima, Ibaraki, Tochigi, Gumma, Saitama, Chiba, Tokyo, Kanagawa, Niigata, Toyama, Ishikawa, Fukui, Yamanashi, Nagano, Gifu."],
            BBOX[34.84,135.42,41.58,142.14]],
        ID["EPSG",6713],
        REMARK["NTv2 grid derived by ESRI from that supplied by GSI in application patchjgd. On adoption of JGD2024 (vertical) with effect from 1st April 2025, the name of the target CRS was changed from JGD2011 to JGD2024; there is no change of definition or of coordinate values."]]]

Definition: PROJ.4

+proj=tmerc +lat_0=36 +lon_0=132.166666666667 +k=0.9999 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:2445","+proj=tmerc +lat_0=36 +lon_0=132.166666666667 +k=0.9999 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "ProjectedCRS",
        "name": "JGD2000 / Japan Plane Rectangular CS III",
        "base_crs": {
            "type": "GeographicCRS",
            "name": "JGD2000",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "Japanese Geodetic Datum 2000",
                "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                }
            },
            "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                    {
                        "name": "Geodetic latitude",
                        "abbreviation": "Lat",
                        "direction": "north",
                        "unit": "degree"
                    },
                    {
                        "name": "Geodetic longitude",
                        "abbreviation": "Lon",
                        "direction": "east",
                        "unit": "degree"
                    }
                ]
            },
            "id": {
                "authority": "EPSG",
                "code": 4612
            },
            "remarks": "Replaces Tokyo (CRS code 4301) from April 2002. From 21st October 2011 replaced by JGD2011 (CRS code 6668)."
        },
        "conversion": {
            "name": "Japan Plane Rectangular CS zone III",
            "method": {
                "name": "Transverse Mercator",
                "id": {
                    "authority": "EPSG",
                    "code": 9807
                }
            },
            "parameters": [
                {
                    "name": "Latitude of natural origin",
                    "value": 36,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8801
                    }
                },
                {
                    "name": "Longitude of natural origin",
                    "value": 132.166666666667,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8802
                    }
                },
                {
                    "name": "Scale factor at natural origin",
                    "value": 0.9999,
                    "unit": "unity",
                    "id": {
                        "authority": "EPSG",
                        "code": 8805
                    }
                },
                {
                    "name": "False easting",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8806
                    }
                },
                {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8807
                    }
                }
            ]
        },
        "coordinate_system": {
            "subtype": "Cartesian",
            "axis": [
                {
                    "name": "Northing",
                    "abbreviation": "X",
                    "direction": "north",
                    "unit": "metre"
                },
                {
                    "name": "Easting",
                    "abbreviation": "Y",
                    "direction": "east",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 2445
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "JGD2024",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Japanese Geodetic Datum 2024",
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 6668
        },
        "remarks": "Replaces JGD2000 (CRS code 4612) with effect from 21st October 2011. On adoption of JGD2024 (vertical) with effect from 1st April 2025, the name of this geodetic CRS was changed from JGD2011 to JGD2024; there is no change of definition or of coordinate values."
    },
    "transformation": {
        "name": "JGD2000 to JGD2024 (1)",
        "method": {
            "name": "NTv2",
            "id": {
                "authority": "EPSG",
                "code": 9615
            }
        },
        "parameters": [
            {
                "name": "Latitude and longitude difference file",
                "value": "touhokutaiheiyouoki2011.gsb",
                "id": {
                    "authority": "EPSG",
                    "code": 8656
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 6713
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=36"
	"lon_0=132.166666666667"
	"k=0.9999"
	"x_0=0"
	"y_0=0"
	"ellps=GRS80"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=36 +lon_0=132.166666666667 +k=0.9999 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=36 +lon_0=132.166666666667 +k=0.9999 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs">
	</Layer>
</Map>