EPSG systems

EPSG:5018 Lisbon / Portuguese Grid New

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

Convert coordinates Open in Carte Download the .prj

System record
Code	EPSG:5018
Name	Lisbon / Portuguese Grid New
Type	Projected system — Transverse Mercator
Area of use	Portugal - mainland - onshore
Bounds	W -9,56° · S 36,95° · E -6,19° · N 42,16°
Countries	Portugal
Datum	Lisbon 1937
Ellipsoid	International 1924 a = 6378388 m · 1/f = 297
Base geographic system	EPSG:4207 — Lisbon
Unit	metre (X east, Y north)
Transformation to WGS 84	Lisbon to WGS 84 (4) (EPSG:1988) — accuracy 2 m
Scope	Engineering survey, topographic mapping.

Projection parameters

Parameter	Value	Unit
Latitude of natural origin	39.666666666666664	degree
Longitude of natural origin	-8.131906111111112	degree
Scale factor at natural origin	1	unity
False easting	0	metre
False northing	0	metre

proj4 definition

+proj=tmerc +lat_0=39.6666666666667 +lon_0=-8.13190611111111 +k=1 +x_0=0 +y_0=0 +ellps=intl +units=m +towgs84=-288.885,-91.744,126.244,-1.691,0.41,-0.211,-4.598 +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:5018.

WKT (ESRI format, the .prj content)

PROJCS["Lisbon_Portuguese_Grid_New",GEOGCS["GCS_Lisbon",DATUM["D_Lisbon",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-8.13190611111111],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",39.6666666666667],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.

Projection parameters

proj4 definition

WKT (ESRI format, the .prj content)

Other systems — Portugal