EPSG:31300 — BD72 / Belge Lambert 72

Projected · Belgium - onshore

Export Formats

OGC WKT

PROJCS[
    "BD72 / Belge Lambert 72",
    GEOGCS[
        "BD72",
        DATUM[
            "Reseau_National_Belge_1972",
            SPHEROID["International 1924",6378388,297],
            TOWGS84[-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4313"]
    ],
    PROJECTION["Lambert_Conformal_Conic_2SP_Belgium"],
    PARAMETER["latitude_of_origin",90],
    PARAMETER["central_meridian",4.35693972222222],
    PARAMETER["standard_parallel_1",49.8333333333333],
    PARAMETER["standard_parallel_2",51.1666666666667],
    PARAMETER["false_easting",150000.01256],
    PARAMETER["false_northing",5400088.4378],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","31300"]
]

WKT2

PROJCRS[
    "BD72 / Belge Lambert 72",
    BASEGEOGCRS[
        "BD72",
        DATUM[
            "Reseau National Belge 1972",
            ELLIPSOID[
                "International 1924",
                6378388,
                297,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7022]
            ],
            ID["EPSG",6313]
        ],
        ID["EPSG",4313]
    ],
    CONVERSION[
        "Belge Lambert 72",
        METHOD["Lambert Conic Conformal (2SP Belgium)",ID["EPSG",9803]],
        PARAMETER[
            "Latitude of false origin",
            90,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8821]
        ],
        PARAMETER[
            "Longitude of false origin",
            4.3569397222225,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8822]
        ],
        PARAMETER[
            "Latitude of 1st standard parallel",
            49.8333333333336,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8823]
        ],
        PARAMETER[
            "Latitude of 2nd standard parallel",
            51.1666666666669,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8824]
        ],
        PARAMETER[
            "Easting at false origin",
            150000.01256,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8826]
        ],
        PARAMETER[
            "Northing at false origin",
            5400088.4378,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8827]
        ],
        ID["EPSG",19902]
    ],
    CS[Cartesian,2,ID["EPSG",4499]],
    AXIS["Easting (X)",east],
    AXIS["Northing (Y)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",31300]
]

PROJ.4

+proj=lcc +lat_0=90 +lon_0=4.35693972222222 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000.01256 +y_0=5400088.4378 +ellps=intl +towgs84=-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:31300", "+proj=lcc +lat_0=90 +lon_0=4.35693972222222 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000.01256 +y_0=5400088.4378 +ellps=intl +towgs84=-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 31300,
  "name": "BD72 / Belge Lambert 72",
  "kind": "projected",
  "area": "Belgium - onshore",
  "unit": "metre",
  "bbox": [
    49.5,
    2.5,
    51.51,
    6.4
  ],
  "proj4": "+proj=lcc +lat_0=90 +lon_0=4.35693972222222 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000.01256 +y_0=5400088.4378 +ellps=intl +towgs84=-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747 +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 (31300, 'EPSG', 31300, '+proj=lcc +lat_0=90 +lon_0=4.35693972222222 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000.01256 +y_0=5400088.4378 +ellps=intl +towgs84=-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747 +units=m +no_defs +type=crs', 'PROJCS["BD72 / Belge Lambert 72",GEOGCS["BD72",DATUM["Reseau_National_Belge_1972",SPHEROID["International 1924",6378388,297],TOWGS84[-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4313"]],PROJECTION["Lambert_Conformal_Conic_2SP_Belgium"],PARAMETER["latitude_of_origin",90],PARAMETER["central_meridian",4.35693972222222],PARAMETER["standard_parallel_1",49.8333333333333],PARAMETER["standard_parallel_2",51.1666666666667],PARAMETER["false_easting",150000.01256],PARAMETER["false_northing",5400088.4378],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","31300"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=lcc"
  "+lat_0=90"
  "+lon_0=4.35693972222222"
  "+lat_1=49.8333333333333"
  "+lat_2=51.1666666666667"
  "+x_0=150000.01256"
  "+y_0=5400088.4378"
  "+ellps=intl"
  "+towgs84=-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

31300=PROJCS["BD72 / Belge Lambert 72",GEOGCS["BD72",DATUM["Reseau_National_Belge_1972",SPHEROID["International 1924",6378388,297],TOWGS84[-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4313"]],PROJECTION["Lambert_Conformal_Conic_2SP_Belgium"],PARAMETER["latitude_of_origin",90],PARAMETER["central_meridian",4.35693972222222],PARAMETER["standard_parallel_1",49.8333333333333],PARAMETER["standard_parallel_2",51.1666666666667],PARAMETER["false_easting",150000.01256],PARAMETER["false_northing",5400088.4378],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","31300"]]

Related Coordinate Systems

Available Transformations (5)

Transformation	Source → Target	Accuracy (m)
BD72 / Lambert 72 to ED50 / UTM zone 31N (1)	31300 → 23031	1
ED50 / UTM zone 31N to BD72 / Lambert 72 (1)	23031 → 31300	1
Belge 72 / Lambert to ED50 / UTM zone 31N (1) Deprecated	31300 → 23031	999
ED50 / UTM zone 31N to Belge 72 / Lambert (1) Deprecated	23031 → 31300	999
ED50 / UTM zone 31N to Belge 72 / Lambert (1) Deprecated	23031 → 31300	1

Other CRS using Reseau National Belge 1972

Frequently Asked Questions

How do I add EPSG:31300 to GeoServer?

Add the following definition to your GeoServer configuration:

31300=PROJCS["BD72 / Belge Lambert 72",GEOGCS["BD72",DATUM["Reseau_National_Belge_1972",SPHEROID["International 1924",6378388,297],TOWGS84[-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4313"]],PROJECTION["Lambert_Conformal_Conic_2SP_Belgium"],PARAMETER["latitude_of_origin",90],PARAMETER["central_meridian",4.35693972222222],PARAMETER["standard_parallel_1",49.8333333333333],PARAMETER["standard_parallel_2",51.1666666666667],PARAMETER["false_easting",150000.01256],PARAMETER["false_northing",5400088.4378],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","31300"]]

Read the full GeoServer guide →

How do I add EPSG:31300 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (31300, 'EPSG', 31300, '+proj=lcc +lat_0=90 +lon_0=4.35693972222222 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000.01256 +y_0=5400088.4378 +ellps=intl +towgs84=-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747 +units=m +no_defs +type=crs', 'PROJCS["BD72 / Belge Lambert 72",GEOGCS["BD72",DATUM["Reseau_National_Belge_1972",SPHEROID["International 1924",6378388,297],TOWGS84[-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4313"]],PROJECTION["Lambert_Conformal_Conic_2SP_Belgium"],PARAMETER["latitude_of_origin",90],PARAMETER["central_meridian",4.35693972222222],PARAMETER["standard_parallel_1",49.8333333333333],PARAMETER["standard_parallel_2",51.1666666666667],PARAMETER["false_easting",150000.01256],PARAMETER["false_northing",5400088.4378],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","31300"]]');

Read the full PostGIS guide →

How do I add EPSG:31300 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=lcc"
  "+lat_0=90"
  "+lon_0=4.35693972222222"
  "+lat_1=49.8333333333333"
  "+lat_2=51.1666666666667"
  "+x_0=150000.01256"
  "+y_0=5400088.4378"
  "+ellps=intl"
  "+towgs84=-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:31300 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:31300", "+proj=lcc +lat_0=90 +lon_0=4.35693972222222 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000.01256 +y_0=5400088.4378 +ellps=intl +towgs84=-106.8686,52.2978,-103.7239,-0.3366,0.457,-1.8422,-1.2747 +units=m +no_defs +type=crs");

Read the full Proj4js guide →

Type

Projected

Unit

metre

Geodetic CRS

BD72

Datum

Reseau National Belge 1972

Ellipsoid

International 1924

Prime Meridian

Greenwich

Area of Use

Belgium - onshore

Belgium - onshore.

Coordinate System

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

Center Coordinates

156570.39 132724.02

Projected Bounds

246476.23 15461.13291803.87 22616.59

WGS84 Bounds

51.51 2.506.40 49.50

Data Source

EPSG

Information Source

IGN Brussels; www.ngi.be/

Revision Date

2021-06-17

Scope

Engineering survey, topographic mapping.

Remarks

Replaces 21500 (BD50 / Belge Lambert 50). An alternative - BD72 / Belgian Lambert 72 (code 31370) - was introduced in 2000 to use the standard Lambert Conic Conformal (2SP) projection method (code 9802). EPSG recommends this alternative.

EPSG

31300