EPSG systems

EPSG:3113 GDA94 / BCSG02

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

System record
CodeEPSG:3113
NameGDA94 / BCSG02
TypeProjected system — Transverse Mercator
Area of use Australia - Brisbane
Australia - Brisbane and surrounding area. Also applicable in other local authorities in south-east Queensland (Gold Coast, Logan, Ipswich, Scenic Rim, Redland, Moreton Bay, Sunshine Coast, Noosa, eastern part of Gympie, eastern part of Fraser Coast) and north-east New South Wales (Tweed, Byron, Lismore, Kyogle, Ballina and Richmond Valley).
Bounds W 152,37° · S -29,36° · E 153,69° · N -24,64°
Countries Australia
DatumGeocentric Datum of Australia 1994
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4283 — GDA94
Unit metre (E east, N north)
Transformation to WGS 84 GDA94 to WGS 84 (1) (EPSG:1150) — accuracy 3 m
ScopeEngineering survey.

Projection parameters

ParameterValueUnit
Latitude of natural origin-28degree
Longitude of natural origin153degree
Scale factor at natural origin0.99999unity
False easting50000metre
False northing100000metre

proj4 definition

+proj=tmerc +lat_0=-28 +lon_0=153 +k=0.99999 +x_0=50000 +y_0=100000 +ellps=GRS80 +units=m +towgs84=0,0,0 +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:3113.

WKT (ESRI format, the .prj content)

PROJCS["GDA_1994_BCSG02",GEOGCS["GCS_GDA_1994",DATUM["D_GDA_1994",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",50000.0],PARAMETER["False_Northing",100000.0],PARAMETER["Central_Meridian",153.0],PARAMETER["Scale_Factor",0.99999],PARAMETER["Latitude_Of_Origin",-28.0],UNIT["Meter",1.0]]

All systems — Australia

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