EPSG:3447 — ETRS89-BEL [BEREF2002] / Belgian Lambert 2005

Projected · Belgium - onshore

Export Formats

OGC WKT

PROJCS[
    "ETRS89 / Belgian Lambert 2005",
    GEOGCS[
        "ETRS89",
        DATUM[
            "European_Terrestrial_Reference_System_1989",
            SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6258"]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4258"]
    ],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["latitude_of_origin",50.797815],
    PARAMETER["central_meridian",4.35921583333333],
    PARAMETER["standard_parallel_1",49.8333333333333],
    PARAMETER["standard_parallel_2",51.1666666666667],
    PARAMETER["false_easting",150328],
    PARAMETER["false_northing",166262],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","3447"]
]

WKT2

PROJCRS[
    "ETRS89-BEL [BEREF2002] / Belgian Lambert 2005",
    BASEGEOGCRS[
        "ETRS89-BEL [BEREF2002]",
        DATUM[
            "Belgian Reference Frame 2002",
            ELLIPSOID[
                "GRS 1980",
                6378137,
                298.257222101,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7019]
            ],
            ANCHOREPOCH[2002.73],
            ID["EPSG",1432]
        ],
        ID["EPSG",11063]
    ],
    CONVERSION[
        "Belgian Lambert 2005",
        METHOD["Lambert Conic Conformal (2SP)",ID["EPSG",9802]],
        PARAMETER[
            "Latitude of false origin",
            50.7978150000003,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8821]
        ],
        PARAMETER[
            "Longitude of false origin",
            4.35921583333361,
            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",
            150328,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8826]
        ],
        PARAMETER[
            "Northing at false origin",
            166262,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8827]
        ],
        ID["EPSG",19862]
    ],
    CS[Cartesian,2,ID["EPSG",4499]],
    AXIS["Easting (X)",east],
    AXIS["Northing (Y)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",3447]
]

PROJ.4

+proj=lcc +lat_0=50.797815 +lon_0=4.35921583333333 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150328 +y_0=166262 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:3447", "+proj=lcc +lat_0=50.797815 +lon_0=4.35921583333333 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150328 +y_0=166262 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 3447,
  "name": "ETRS89-BEL [BEREF2002] / Belgian Lambert 2005",
  "kind": "projected",
  "area": "Belgium - onshore",
  "unit": "metre",
  "bbox": [
    49.5,
    2.5,
    51.51,
    6.4
  ],
  "proj4": "+proj=lcc +lat_0=50.797815 +lon_0=4.35921583333333 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150328 +y_0=166262 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +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 (3447, 'EPSG', 3447, '+proj=lcc +lat_0=50.797815 +lon_0=4.35921583333333 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150328 +y_0=166262 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["ETRS89 / Belgian Lambert 2005",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",50.797815],PARAMETER["central_meridian",4.35921583333333],PARAMETER["standard_parallel_1",49.8333333333333],PARAMETER["standard_parallel_2",51.1666666666667],PARAMETER["false_easting",150328],PARAMETER["false_northing",166262],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3447"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=lcc"
  "+lat_0=50.797815"
  "+lon_0=4.35921583333333"
  "+lat_1=49.8333333333333"
  "+lat_2=51.1666666666667"
  "+x_0=150328"
  "+y_0=166262"
  "+ellps=GRS80"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

3447=PROJCS["ETRS89 / Belgian Lambert 2005",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",50.797815],PARAMETER["central_meridian",4.35921583333333],PARAMETER["standard_parallel_1",49.8333333333333],PARAMETER["standard_parallel_2",51.1666666666667],PARAMETER["false_easting",150328],PARAMETER["false_northing",166262],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3447"]]

Related Coordinate Systems

Available Transformations (3)

Transformations inherited from base CRS: EPSG:11063 (ETRS89-BEL [BEREF2002])

Transformation	Source → Target	Accuracy (m)
BD72 to ETRS89-BEL [BEREF2002] (2)	4313 → 11063	0.2
BD72 to ETRS89-BEL [BEREF2002] (1)	4313 → 11063	1
ETRS89-BEL [BEREF2002] to WGS 84 (1)	11063 → 4326	1

Other CRS using Belgian Reference Frame 2002

Frequently Asked Questions

How do I add EPSG:3447 to GeoServer?

Add the following definition to your GeoServer configuration:

3447=PROJCS["ETRS89 / Belgian Lambert 2005",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",50.797815],PARAMETER["central_meridian",4.35921583333333],PARAMETER["standard_parallel_1",49.8333333333333],PARAMETER["standard_parallel_2",51.1666666666667],PARAMETER["false_easting",150328],PARAMETER["false_northing",166262],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3447"]]

Read the full GeoServer guide →

How do I add EPSG:3447 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (3447, 'EPSG', 3447, '+proj=lcc +lat_0=50.797815 +lon_0=4.35921583333333 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150328 +y_0=166262 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["ETRS89 / Belgian Lambert 2005",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",50.797815],PARAMETER["central_meridian",4.35921583333333],PARAMETER["standard_parallel_1",49.8333333333333],PARAMETER["standard_parallel_2",51.1666666666667],PARAMETER["false_easting",150328],PARAMETER["false_northing",166262],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3447"]]');

Read the full PostGIS guide →

How do I add EPSG:3447 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=lcc"
  "+lat_0=50.797815"
  "+lon_0=4.35921583333333"
  "+lat_1=49.8333333333333"
  "+lat_2=51.1666666666667"
  "+x_0=150328"
  "+y_0=166262"
  "+ellps=GRS80"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:3447 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:3447", "+proj=lcc +lat_0=50.797815 +lon_0=4.35921583333333 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150328 +y_0=166262 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

Read the full Proj4js guide →

Type

Projected

Unit

metre

Geodetic CRS

ETRS89-BEL [BEREF2002]

Datum

Belgian Reference Frame 2002

Ellipsoid

GRS 1980

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

156767.97 133694.78

Projected Bounds

247440.85 15655.60292004.73 23593.65

WGS84 Bounds

51.51 2.506.40 49.50

Data Source

EPSG

Information Source

IGN Brussels; www.ngi.be/

Revision Date

2025-10-17

Scope

Engineering survey, topographic mapping.

Remarks

Coordinates referenced to ETRS89-BEL [BEREF2002] / Lambert 2005 differ from coordinates referenced to BD72 / Lambert 1972 (CRS code 31370) by approximately 1km in easting and northing. Replaced in 2008 by ETRS89-BEL [BEREF2002] / Lambert 2008 (CRS code 3812).

EPSG

3447