EPSG:2393

KKJ / Finland Uniform Coordinate System

Transform Get position on a map

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Method: Coordinate Frame rotation (geog2D domain)

Remarks: Parameter values from KKJ to ETRS89 (2) (code 10098). Assumes ETRS89 and WGS 84 can be considered the same to within the accuracy of the transformation. Replaces KKJ to WGS 84 (1) (code 1639).

Information source: National Land Survey of Finland; http://www.maanmittauslaitos.fi

Revision date: 2020-03-14

Attributes

Unit: metre

Geodetic CRS: KKJ

Datum: Kartastokoordinaattijarjestelma (1966)

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: National Land Survey of Finland; http://www.maanmittauslaitos.fi

Revision date: 2010-05-02

Scope: Engineering survey, topographic mapping (large scale).

Remarks: Known as Uniform Coordinate System (YKJ) when used over all country and also as Basic Coordinate System zone 3 at larger scales.

Area of use: Finland - onshore between 25°30'E and 28°30'E.

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

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SimpleMap

Center coordinates
3424897.23 7203607.25

Projected bounds:
3064277.44 6626471.36
3757806.74 7798047.82

WGS84 bounds:
19.24 59.75
31.59 70.09

Finland - onshore.
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Definition: OGC Well Known Text

PROJCS["KKJ / Finland Uniform Coordinate System",
    GEOGCS["KKJ",
        DATUM["Kartastokoordinaattijarjestelma_1966",
            SPHEROID["International 1924",6378388,297],
            TOWGS84[-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4123"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",27],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",3500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","2393"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["KKJ / Finland Uniform Coordinate System",
    BASEGEOGCRS["KKJ",
        DATUM["Kartastokoordinaattijarjestelma (1966)",
            ELLIPSOID["International 1924",6378388,297,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4123]],
    CONVERSION["Finland Uniform Coordinate System",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",27,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",1,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",3500000,
            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["Engineering survey, topographic mapping (large scale)."],
        AREA["Finland - onshore between 25°30'E and 28°30'E."],
        BBOX[60.18,25.5,70.09,28.51]],
    USAGE[
        SCOPE["Topographic mapping (small scale)."],
        AREA["Finland - onshore."],
        BBOX[59.75,19.24,70.09,31.59]],
    ID["EPSG",2393]]

Definition: ESRI Well Known Text

PROJCS["Finland_Zone_3",
    GEOGCS["GCS_KKJ",
        DATUM["D_KKJ",
            SPHEROID["International_1924",6378388.0,297.0]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",3500000.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",27.0],
    PARAMETER["Scale_Factor",1.0],
    PARAMETER["Latitude_Of_Origin",0.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=3500000 +y_0=0 +ellps=intl +towgs84=-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:2393","+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=3500000 +y_0=0 +ellps=intl +towgs84=-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "KKJ / Finland Uniform Coordinate System",
    "base_crs": {
        "name": "KKJ",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Kartastokoordinaattijarjestelma (1966)",
            "ellipsoid": {
                "name": "International 1924",
                "semi_major_axis": 6378388,
                "inverse_flattening": 297
            }
        },
        "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": 4123
        }
    },
    "conversion": {
        "name": "Finland Uniform Coordinate System",
        "method": {
            "name": "Transverse Mercator",
            "id": {
                "authority": "EPSG",
                "code": 9807
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 0,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": 27,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 1,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "False easting",
                "value": 3500000,
                "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"
            }
        ]
    },
    "usages": [
        {
            "scope": "Engineering survey, topographic mapping (large scale).",
            "area": "Finland - onshore between 25°30'E and 28°30'E.",
            "bbox": {
                "south_latitude": 60.18,
                "west_longitude": 25.5,
                "north_latitude": 70.09,
                "east_longitude": 28.51
            }
        },
        {
            "scope": "Topographic mapping (small scale).",
            "area": "Finland - onshore.",
            "bbox": {
                "south_latitude": 59.75,
                "west_longitude": 19.24,
                "north_latitude": 70.09,
                "east_longitude": 31.59
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 2393
    }
}

Definition: GeoServer

2393=PROJCS["KKJ / Finland Uniform Coordinate System",GEOGCS["KKJ",DATUM["Kartastokoordinaattijarjestelma_1966",SPHEROID["International 1924",6378388,297],TOWGS84[-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4123"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",27],PARAMETER["scale_factor",1],PARAMETER["false_easting",3500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","2393"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=0"
	"lon_0=27"
	"k=1"
	"x_0=3500000"
	"y_0=0"
	"ellps=intl"
	"towgs84=-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=3500000 +y_0=0 +ellps=intl +towgs84=-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496 +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=3500000 +y_0=0 +ellps=intl +towgs84=-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 2393, 'EPSG', 2393, '+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=3500000 +y_0=0 +ellps=intl +towgs84=-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496 +units=m +no_defs +type=crs', 'PROJCS["KKJ / Finland Uniform Coordinate System",GEOGCS["KKJ",DATUM["Kartastokoordinaattijarjestelma_1966",SPHEROID["International 1924",6378388,297],TOWGS84[-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4123"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",27],PARAMETER["scale_factor",1],PARAMETER["false_easting",3500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","2393"]]');