EPSG systems

EPSG:3004 Monte Mario / Italy zone 2

Projected system (Transverse Mercator) in use: Italy - east of 12°E. The full definition below, and conversion in one click.

System record
CodeEPSG:3004
NameMonte Mario / Italy zone 2
TypeProjected system — Transverse Mercator
Area of use Italy - east of 12°E
Italy - onshore and offshore - east of 12°E including San Marino and Vatican City State.
Bounds W 12,00° · S 34,76° · E 18,99° · N 47,10°
Countries Italy
DatumMonte Mario
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Base geographic system EPSG:4265 — Monte Mario
Unit metre (X east, Y north)
Transformation to WGS 84 Monte Mario to WGS 84 (4) (EPSG:1660) — accuracy 4 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin15degree
Scale factor at natural origin0.9996unity
False easting2520000metre
False northing0metre

proj4 definition

+proj=tmerc +lat_0=0 +lon_0=15 +k=0.9996 +x_0=2520000 +y_0=0 +ellps=intl +units=m +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:3004.

WKT (ESRI format, the .prj content)

PROJCS["Monte_Mario_Italy_2",GEOGCS["GCS_Monte_Mario",DATUM["D_Monte_Mario",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",2520000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",15.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Italy

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