EPSG systems

EPSG:28600 Qatar 1974 / Qatar National Grid

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

System record
CodeEPSG:28600
NameQatar 1974 / Qatar National Grid
TypeProjected system — Transverse Mercator
Area of use Qatar - onshore
Bounds W 50,69° · S 24,55° · E 51,68° · N 26,20°
Countries Qatar
DatumQatar 1974
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Base geographic system EPSG:4285 — Qatar 1974
Unit metre (E east, N north)
Transformation to WGS 84 Qatar 1974 to WGS 84 (3) (EPSG:1563) — accuracy 1 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin24.45degree
Longitude of natural origin51.21666666666667degree
Scale factor at natural origin0.99999unity
False easting200000metre
False northing300000metre

proj4 definition

+proj=tmerc +lat_0=24.45 +lon_0=51.2166666666667 +k=0.99999 +x_0=200000 +y_0=300000 +ellps=intl +units=m +towgs84=-128.033,-283.697,21.052 +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:28600.

WKT (ESRI format, the .prj content)

PROJCS["Qatar_National_Grid",GEOGCS["GCS_Qatar_1974",DATUM["D_Qatar",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",200000.0],PARAMETER["False_Northing",300000.0],PARAMETER["Central_Meridian",51.2166666666667],PARAMETER["Scale_Factor",0.99999],PARAMETER["Latitude_Of_Origin",24.45],UNIT["Meter",1.0]]

All systems — Qatar

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