EPSG systems

EPSG:23029 ED50 / UTM zone 29N

Projected system (Transverse Mercator) in use: Europe - 12°W to 6°W and ED50 by country. The full definition below, and conversion in one click.

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System record
Code	EPSG:23029
Name	ED50 / UTM zone 29N
Type	Projected system — Transverse Mercator
Area of use	Europe - 12°W to 6°W and ED50 by country Europe - between 12°W and 6°W - Faroe Islands - onshore; Spain - mainland onshore; Ireland offshore.
Bounds	W -12,00° · S 36,13° · E -6,00° · N 62,41°
Countries	Spain, Ireland
Datum	European Datum 1950
Ellipsoid	International 1924 a = 6378388 m · 1/f = 297
Base geographic system	EPSG:4230 — ED50
Unit	metre (E east, N north)
Transformation to WGS 84	ED50 to WGS 84 (1) (EPSG:1133) — accuracy 10 m
Scope	Engineering survey, topographic mapping.

Projection parameters

Parameter	Value	Unit
Latitude of natural origin	0	degree
Longitude of natural origin	-9	degree
Scale factor at natural origin	0.9996	unity
False easting	500000	metre
False northing	0	metre

proj4 definition

+proj=utm +zone=29 +ellps=intl +units=m +towgs84=-87,-98,-121 +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:23029.

WKT (ESRI format, the .prj content)

PROJCS["ED_1950_UTM_Zone_29N",GEOGCS["GCS_European_1950",DATUM["D_European_1950",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-9.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Spain

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 — Spain