EPSG systems

EPSG:20137 Adindan / UTM zone 37N

Projected system (Transverse Mercator) in use: Africa - Eritrea, Ethiopia and Sudan - 36°E to 42°E. The full definition below, and conversion in one click.

System record
CodeEPSG:20137
NameAdindan / UTM zone 37N
TypeProjected system — Transverse Mercator
Area of use Africa - Eritrea, Ethiopia and Sudan - 36°E to 42°E
Eritrea. Ethiopia - between 36°E and 42°E. Sudan - east of 36°E.
Bounds W 36,00° · S 3,40° · E 42,00° · N 22,01°
Countries Eritrea, Ethiopia, Sudan
DatumAdindan
Ellipsoid Clarke 1880 (RGS) a = 6378249.145 m · 1/f = 293.465
Base geographic system EPSG:4201 — Adindan
Unit metre (E east, N north)
Transformation to WGS 84 Adindan to WGS 84 (1) (EPSG:1100) — accuracy 9 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin39degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing0metre

proj4 definition

+proj=utm +zone=37 +a=6378249.145 +rf=293.465 +units=m +towgs84=-166,-15,204 +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:20137.

WKT (ESRI format, the .prj content)

PROJCS["Adindan_UTM_Zone_37N",GEOGCS["GCS_Adindan",DATUM["D_Adindan",SPHEROID["Clarke_1880_RGS",6378249.145,293.465]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",39.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Eritrea

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