EPSG:CODE

EPSG:4806 — Monte Mario (Rome)

Geographic 2D · Italy - including San Marino and Vatican

Export Formats

WKT2
GEOGCRS[
    "Monte Mario (Rome)",
    DATUM[
        "Monte Mario (Rome)",
        ELLIPSOID[
            "International 1924",
            6378388,
            297,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7022]
        ],
        ID["EPSG",6806]
    ],
    PRIMEM[
        "Rome",
        12.452333333,
        ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
        ID["EPSG",8906]
    ],
    CS[ellipsoidal,2,ID["EPSG",6422]],
    AXIS["Geodetic latitude (Lat)",north],
    AXIS["Geodetic longitude (Lon)",east],
    ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
    ID["EPSG",4806]
]

Related Coordinate Systems

Available Transformations (2)

Transformation Source → Target Accuracy (m)
Monte Mario (Rome) to Monte Mario (1)
4806 → 4265 0
Monte Mario (Rome) to WGS 84 (1)
4806 → 4326 44

Frequently Asked Questions

How do I add EPSG:4806 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4806, 'EPSG', 4806, '+proj=longlat +ellps=intl +pm=rome +no_defs +type=crs', '');
Read the full PostGIS guide →

How do I add EPSG:4806 to MapServer?

Add the following definition to your MapServer configuration: 

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

How do I use EPSG:4806 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:4806", "+proj=longlat +ellps=intl +pm=rome +no_defs +type=crs");
Read the full Proj4js guide →