EPSG systems

EPSG:3763 ETRS89 / Portugal TM06

Projected system (Transverse Mercator) in use: Portugal - mainland - onshore. The full definition below, and conversion in one click.

System record
CodeEPSG:3763
NameETRS89 / Portugal TM06
TypeProjected system — Transverse Mercator
Area of use Portugal - mainland - onshore
Bounds W -9,56° · S 36,95° · E -6,19° · N 42,16°
Countries Portugal
DatumEuropean Terrestrial Reference System 1989
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4258 — ETRS89
Unit metre (X east, Y north)
Transformation to WGS 84 ETRS89 to WGS 84 (1) (EPSG:1149) — accuracy 1 m
ScopeTopographic mapping (medium scale).

Projection parameters

ParameterValueUnit
Latitude of natural origin39.668258333333334degree
Longitude of natural origin-8.133108333333334degree
Scale factor at natural origin1unity
False easting0metre
False northing0metre

proj4 definition

+proj=tmerc +lat_0=39.6682583333333 +lon_0=-8.13310833333333 +k=1 +x_0=0 +y_0=0 +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:3763.

WKT (ESRI format, the .prj content)

PROJCS["ETRS_1989_Portugal_TM06",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",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-8.13310833333333],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",39.6682583333333],UNIT["Meter",1.0]]

All systems — Portugal

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