EPSG:CODE

EPSG:4937 — ETRS89

Geographic 3D · Europe - ETRF by country

Export Formats

WKT2
GEOGCRS[
    "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]
    ],
    CS[ellipsoidal,3,ID["EPSG",6423]],
    AXIS[
        "Geodetic latitude (Lat)",
        north,
        ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]
    ],
    AXIS[
        "Geodetic longitude (Lon)",
        east,
        ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]
    ],
    AXIS["Ellipsoidal height (h)",up,LENGTHUNIT["metre",1,ID["EPSG",9001]]],
    ID["EPSG",4937]
]

Related Coordinate Systems (44)

Available Transformations (56)

Transformation Source → Target Accuracy (m)
ETRS89 to St. Marys height (1)
4937 → 5749 0
ETRS89 to DVR90(2023) height (1)
4937 → 10485 0.01
ETRS89 to ETRS89 + DVR90(2023) height (1)
4937 → 10488 0.01
ETRS89 to BI height (2)
4937 → 9451 0.014
ETRS89 to ETRS89 + BI height (2)
4937 → 9452 0.014
ETRS89 to ODN (Offshore) height (1)
4937 → 7707 0.02
ETRS89 to ETRS89 + ODN (Offshore) height (1)
4937 → 9425 0.02
ETRS89 to BI height (1)
4937 → 9451 0.02
ETRS89 to ETRS89 + BI height (1)
4937 → 9452 0.02
ETRS89 to ODN height (1)
4937 → 5701 0.02

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

Frequently Asked Questions

How do I add EPSG:4937 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4937, 'EPSG', 4937, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', '');
Read the full PostGIS guide →

How do I add EPSG:4937 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+proj=longlat"
  "+ellps=GRS80"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:4937 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:4937", "+proj=longlat +ellps=GRS80 +no_defs +type=crs");
Read the full Proj4js guide →