EPSG systems

EPSG:3043 ETRS89 / UTM zone 31N (N-E)

Projected system (Transverse Mercator) in use: Europe - 0°E to 6°E and ETRF by country. The full definition below, and conversion in one click.

System record
CodeEPSG:3043
NameETRS89 / UTM zone 31N (N-E)
TypeProjected system — Transverse Mercator
Area of use Europe - 0°E to 6°E and ETRF by country
Europe between 0°E and 6°E and approximately 37°N to 82°27'N: Andorra; Denmark - offshore; Germany - offshore; Jan Mayen - offshore; Norway including Svalbard - onshore and offshore; Spain - mainland and Balearic islands - onshore and offshore.
Bounds W 0,00° · S 37,00° · E 6,01° · N 82,45°
Also covers Andorra, Denmark, Germany, Svalbard & Jan Mayen, Norway, Spain
DatumEuropean Terrestrial Reference System 1989
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4258 — ETRS89
Unit metre (N north, E east)
Transformation to WGS 84 ETRS89 to WGS 84 (1) (EPSG:1149) — accuracy 1 m
ScopePan-European conformal mapping at scales larger than 1:500,000.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin3degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing0metre

proj4 definition

+proj=utm +zone=31 +ellps=GRS80 +units=m +towgs84=0,0,0 +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:3043.

WKT (ESRI format, the .prj content)

PROJCS["ETRS_1989_ETRS-TM31",GEOGCS["GCS_ETRS_1989",DATUM["D_ETRS_1989",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",3.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

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