EPSG:9680 WGS 84 / TM 90 NE
Projected system (Transverse Mercator) in use: Bangladesh. The full definition below, and conversion in one click.
| Code | EPSG:9680 |
|---|---|
| Name | WGS 84 / TM 90 NE |
| Type | Projected system — Transverse Mercator |
| Area of use |
Bangladesh Bangladesh - onshore and offshore. |
| Bounds | W 88,01° · S 18,56° · E 92,67° · N 26,64° |
| Countries | Bangladesh |
| Datum | World Geodetic System 1984 |
| Ellipsoid | WGS 84 a = 6378137 m · 1/f = 298.257223563 |
| Base geographic system | EPSG:4326 — WGS 84 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | None: this is WGS 84 |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | 90 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
proj4 definition
+proj=tmerc +lat_0=0 +lon_0=90 +k=0.9996 +x_0=500000 +y_0=0 +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:9680.
WKT (ESRI format, the .prj content)
PROJCS["WGS_84_TM_90_NE",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",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",90.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]
Other systems — Bangladesh
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.