EPSG systems

EPSG:9678 Gulshan 303 / Bangladesh Transverse Mercator

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

System record
CodeEPSG:9678
NameGulshan 303 / Bangladesh Transverse Mercator
TypeProjected system — Transverse Mercator
Area of use Bangladesh - onshore
Bounds W 88,01° · S 20,52° · E 92,67° · N 26,64°
Countries Bangladesh
DatumGulshan 303
Ellipsoid Everest 1830 (1937 Adjustment) a = 6377276.345 m · 1/f = 300.8017
Base geographic system EPSG:4682 — Gulshan 303
Unit metre (E east, N north)
Transformation to WGS 84 Gulshan 303 to WGS 84 (2) (EPSG:9679) — accuracy 1 m
ScopeSpatial referencing including water resource management.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin90degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing-2000000metre

proj4 definition

+proj=tmerc +lat_0=0 +lon_0=90 +k=0.9996 +x_0=500000 +y_0=-2000000 +ellps=evrst30 +units=m +towgs84=283.729,735.942,261.143 +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:9678.

WKT (ESRI format, the .prj content)

PROJCS["Gulshan_303_Bangladesh_Transverse_Mercator",GEOGCS["GCS_Gulshan_303",DATUM["D_Gulshan_303",SPHEROID["Everest_Adjustment_1937",6377276.345,300.8017]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",-2000000.0],PARAMETER["Central_Meridian",90.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Bangladesh

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