EPSG systems

EPSG:7787 WGS 84 / West Bengal

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

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System record
Code	EPSG:7787
Name	WGS 84 / West Bengal
Type	Projected system — Transverse Mercator
Area of use	India - West Bengal
Bounds	W 85,82° · S 21,49° · E 89,88° · N 27,23°
Countries	India
Datum	World Geodetic System 1984
Ellipsoid	WGS 84 a = 6378137 m · 1/f = 298.257223563
Base geographic system	EPSG:4326 — WGS 84
Unit	metre (X east, Y north)
Transformation to WGS 84	None: this is WGS 84
Scope	NNRMS National Spatial Framework (NSF) state resource database of medium resolution earth observation imagery and mapping.

Projection parameters

Parameter	Value	Unit
Latitude of natural origin	24.375	degree
Longitude of natural origin	87.875	degree
Scale factor at natural origin	0.9998584	unity
False easting	1000000	metre
False northing	1000000	metre

proj4 definition

+proj=tmerc +lat_0=24.375 +lon_0=87.875 +k=0.9998584 +x_0=1000000 +y_0=1000000 +datum=WGS84 +units=m +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:7787.

WKT (ESRI format, the .prj content)

PROJCS["WGS_1984_West_Bengal",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",1000000.0],PARAMETER["False_Northing",1000000.0],PARAMETER["Central_Meridian",87.875],PARAMETER["Scale_Factor",0.9998584],PARAMETER["Latitude_Of_Origin",24.375],UNIT["Meter",1.0]]

All systems — India

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

Projection parameters

proj4 definition

WKT (ESRI format, the .prj content)

Other systems — India