EPSG:25831 — ETRS89 / UTM zone 31N

Name: EPSG:25831 - ETRS89 / UTM zone 31N
Creator: IOGP
License: https://epsg.org/terms-of-use.html

Projected · Europe - 0°E to 6°E and ETRS89 by country

Export Formats

OGC WKT

PROJCS[
    "ETRS89 / UTM zone 31N",
    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["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",3],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","25831"]
]

WKT2

PROJCRS[
    "ETRS89 / UTM zone 31N",
    BASEGEOGCRS[
        "ETRS89",
        ENSEMBLE[
            "European Terrestrial Reference System 1989 ensemble",
            MEMBER["European Terrestrial Reference Frame 1989",ID["EPSG",1178]],
            MEMBER["European Terrestrial Reference Frame 1990",ID["EPSG",1179]],
            MEMBER["European Terrestrial Reference Frame 1991",ID["EPSG",1180]],
            MEMBER["European Terrestrial Reference Frame 1992",ID["EPSG",1181]],
            MEMBER["European Terrestrial Reference Frame 1993",ID["EPSG",1182]],
            MEMBER["European Terrestrial Reference Frame 1994",ID["EPSG",1183]],
            MEMBER["European Terrestrial Reference Frame 1996",ID["EPSG",1184]],
            MEMBER["European Terrestrial Reference Frame 1997",ID["EPSG",1185]],
            MEMBER["European Terrestrial Reference Frame 2000",ID["EPSG",1186]],
            MEMBER["European Terrestrial Reference Frame 2005",ID["EPSG",1204]],
            MEMBER["European Terrestrial Reference Frame 2014",ID["EPSG",1206]],
            MEMBER["European Terrestrial Reference Frame 2020",ID["EPSG",1382]],
            MEMBER["ETRS89-DNK",ID["EPSG",1412]],
            MEMBER["Estonia 1997",ID["EPSG",6180]],
            MEMBER["Albanian Geodetic Reference Frame 2010",ID["EPSG",1429]],
            MEMBER["ETRS89-ALB [CORS]",ID["EPSG",1430]],
            MEMBER["ETRS89-AUT [2002]",ID["EPSG",1431]],
            MEMBER["Belgian Reference Frame 2002",ID["EPSG",1432]],
            MEMBER["Belgian Reference Frame 2011",ID["EPSG",1447]],
            MEMBER["BH_ETRS89",ID["EPSG",1358]],
            MEMBER["Bulgaria Geodetic System 2005",ID["EPSG",1167]],
            MEMBER["Croatian Terrestrial Reference System 1996",ID["EPSG",6761]],
            MEMBER["AGRS2010 (ETRF2000)",ID["EPSG",1427]],
            MEMBER["CROPOS",ID["EPSG",1445]],
            MEMBER["ETRF2000 Poland",ID["EPSG",1305]],
            MEMBER["ETRS89/DREF91 Realization 2016",ID["EPSG",1353]],
            MEMBER["ETRS89/DREF91 Realization 2025",ID["EPSG",1446]],
            MEMBER["ETRS89-CZE [2007]",ID["EPSG",1433]],
            MEMBER["ETRS89-ESP [REGENTE]",ID["EPSG",1441]],
            MEMBER["ETRS89-ESP [ERGNSS]",ID["EPSG",1442]],
            MEMBER["ETRS89-FRO [2008]",ID["EPSG",1436]],
            MEMBER["ETRS89-GRC [HTRS07]",ID["EPSG",1437]],
            MEMBER["ETRS89-HUN [ETRF2000]",ID["EPSG",1444]],
            MEMBER["ETRS89-IRE [ETRF2000]",ID["EPSG",6173]],
            MEMBER["ETRS89-MKD [EUREF-MAK2010]",ID["EPSG",1438]],
            MEMBER["ETRS89-NOR [EUREF89]",ID["EPSG",1407]],
            MEMBER["ETRS89-PRT [1995]",ID["EPSG",1439]],
            MEMBER["ETRS89-ROU [ETRF2000]",ID["EPSG",1440]],
            MEMBER["ETRS89-SVK [SKTRF09]",ID["EPSG",1434]],
            MEMBER["ETRS89-SVK [SKTRF2022]",ID["EPSG",1435]],
            MEMBER["EUREF-FIN",ID["EPSG",1391]],
            MEMBER["Istituto Geografico Militaire 1995",ID["EPSG",6670]],
            MEMBER["Kosovo Reference System 2001",ID["EPSG",1251]],
            MEMBER["Latvian geodetic coordinate system 1992",ID["EPSG",6661]],
            MEMBER["Latvian coordinate system 2020",ID["EPSG",1356]],
            MEMBER["Lithuania 1994 (ETRS89)",ID["EPSG",6126]],
            MEMBER["MOLDREF99",ID["EPSG",1032]],
            MEMBER["OSNet v2009",ID["EPSG",1425]],
            MEMBER["Reseau Geodesique Francais 1993 v1",ID["EPSG",6171]],
            MEMBER["Reseau Geodesique Francais 1993 v2",ID["EPSG",1312]],
            MEMBER["Reseau Geodesique Francais 1993 v2b",ID["EPSG",1313]],
            MEMBER["Rete Dinamica Nazionale 2008",ID["EPSG",1132]],
            MEMBER["Serbian Reference Network 1998",ID["EPSG",1034]],
            MEMBER["Serbian Spatial Reference System 2000",ID["EPSG",1214]],
            MEMBER["Slovenia Geodetic Datum 1996",ID["EPSG",6765]],
            MEMBER["SWEREF 99",ID["EPSG",6619]],
            MEMBER["Swiss Terrestrial Reference Frame 1995",ID["EPSG",1449]],
            ELLIPSOID[
                "GRS 1980",
                6378137,
                298.257222101,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7019]
            ],
            ENSEMBLEACCURACY[0.1],
            ID["EPSG",6258]
        ],
        ID["EPSG",4258]
    ],
    CONVERSION[
        "UTM zone 31N",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            0,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            3,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.9996,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",16031]
    ],
    CS[Cartesian,2,ID["EPSG",4400]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",25831]
]

PROJ.4

+proj=utm +zone=31 +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:25831", "+proj=utm +zone=31 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 25831,
  "name": "ETRS89 / UTM zone 31N",
  "kind": "projected",
  "area": "Europe - 0°E to 6°E and ETRS89 by country",
  "unit": "metre",
  "bbox": [
    37,
    0,
    82.45,
    6.01
  ],
  "proj4": "+proj=utm +zone=31 +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 (25831, 'EPSG', 25831, '+proj=utm +zone=31 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["ETRS89 / UTM zone 31N",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["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",3],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","25831"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=utm"
  "+zone=31"
  "+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? →

25831=PROJCS["ETRS89 / UTM zone 31N",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["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",3],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","25831"]]

Related Coordinate Systems

Available Transformations (1)

Transformation	Source → Target	Accuracy (m)
ED50 / UTM zone 31N to ETRS89 / UTM zone 31N (1)	23031 → 25831	0.05

Other CRS using European Terrestrial Reference System 1989 ensemble (52)

Frequently Asked Questions

How do I add EPSG:25831 to GeoServer?

Add the following definition to your GeoServer configuration:

25831=PROJCS["ETRS89 / UTM zone 31N",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["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",3],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","25831"]]

Read the full GeoServer guide →

How do I add EPSG:25831 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (25831, 'EPSG', 25831, '+proj=utm +zone=31 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["ETRS89 / UTM zone 31N",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["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",3],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","25831"]]');

Read the full PostGIS guide →

How do I add EPSG:25831 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=utm"
  "+zone=31"
  "+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:25831 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:25831", "+proj=utm +zone=31 +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

Datum

European Terrestrial Reference System 1989 ensemble

Area of Use

Europe - 0°E to 6°E and ETRS89 by country

Europe between 0°E and 6°E: Andorra; Denmark - offshore; Germany - offshore; Jan Mayen - offshore; N…

Coordinate System

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

Center Coordinates

500281.20 6620785.72

Projected Bounds

9156211.36 233037.88544133.78 4099080.69

WGS84 Bounds

82.45 0.006.01 37.00

Data Source

EPSG

Information Source

IOGP

Revision Date

2024-06-17

Scope

Engineering survey, topographic mapping.

Remarks

See ETRS89 / UTM zone 31N (N-E) (CRS code 3043) for alternative CRS with north-east axis order.

EPSG

25831