EPSG systems

EPSG:4393 Kertau 1968 / Selangor Grid

Projected system (Cassini-Soldner) in use: Malaysia - West Malaysia - Selangor. The full definition below, and conversion in one click.

System record
CodeEPSG:4393
NameKertau 1968 / Selangor Grid
TypeProjected system — Cassini-Soldner
Area of use Malaysia - West Malaysia - Selangor
Bounds W 100,76° · S 2,54° · E 101,97° · N 3,87°
Countries Malaysia
DatumKertau 1968
Ellipsoid Everest 1830 Modified a = 6377304.063 m · 1/f = 300.8017
Base geographic system EPSG:4245 — Kertau 1968
Unit metre (E east, N north)
Transformation to WGS 84 Kertau 1968 to WGS 84 (1) (EPSG:1158) — accuracy 15 m
ScopeCadastre.

Projection parameters

ParameterValueUnit
Latitude of natural origin3.680344444444444degree
Longitude of natural origin101.50824444444444degree
False easting-21759.438metre
False northing55960.906metre

proj4 definition

+proj=cass +lat_0=3.68034444444444 +lon_0=101.508244444444 +x_0=-21759.438 +y_0=55960.906 +ellps=evrst48 +units=m +towgs84=-11,851,5 +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:4393.

WKT (ESRI format, the .prj content)

PROJCS["Kertau_1968_Selangor_Grid",GEOGCS["GCS_Kertau",DATUM["D_Kertau",SPHEROID["Everest_1830_Modified",6377304.063,300.8017]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Cassini"],PARAMETER["False_Easting",-21759.438],PARAMETER["False_Northing",55960.906],PARAMETER["Central_Meridian",101.508244444444],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",3.68034444444444],UNIT["Meter",1.0]]

All systems — Malaysia

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