EPSG systems

EPSG:4265 Monte Mario

Geographic system in latitude and longitude, in use: Italy - including San Marino and Vatican. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4265
NameMonte Mario
TypeGeographic system
Area of use Italy - including San Marino and Vatican
Italy - onshore and offshore; San Marino, Vatican City State.
Bounds W 5,93° · S 34,76° · E 18,99° · N 47,10°
Countries Italy
DatumMonte Mario
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Unit degree (Lat north, Lon east)
Transformation to WGS 84 Monte Mario to WGS 84 (4) (EPSG:1660) — accuracy 4 m
ScopeGeodesy, offshore minerals management.

proj4 definition

+proj=longlat +ellps=intl +towgs84=-104.1,-49.1,-9.9,0.971,-2.917,0.714,-11.68 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4265.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Monte_Mario",DATUM["D_Monte_Mario",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Italy

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.