EPSG systems

EPSG:9209 VN-2000 / TM-3 105-30

Projected system (Transverse Mercator) in use: Vietnam - 104°20'E to 106°40'E by province. The full definition below, and conversion in one click.

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System record
Code	EPSG:9209
Name	VN-2000 / TM-3 105-30
Type	Projected system — Transverse Mercator
Area of use	Vietnam - 104°20'E to 106°40'E by province Vietnam - Bac Ninh, Ha Giang, Ha Tinh, Hai Duong, Hung Yen, Nam Dinh, Soc Trang, Tay Ninh, Thai Binh, Tra Vinh and Vinh Long provinces.
Bounds	W 104,33° · S 9,19° · E 106,69° · N 23,40°
Countries	Vietnam
Datum	Vietnam 2000
Ellipsoid	WGS 84 a = 6378137 m · 1/f = 298.257223563
Base geographic system	EPSG:4756 — VN-2000
Unit	metre (E east, N north)
Transformation to WGS 84	VN-2000 to WGS 84 (2) (EPSG:6960) — accuracy 1 m
Scope	Cadastre, engineering survey, topographic mapping (large scale).

Projection parameters

Parameter	Value	Unit
Latitude of natural origin	0	degree
Longitude of natural origin	105.5	degree
Scale factor at natural origin	0.9999	unity
False easting	500000	metre
False northing	0	metre

proj4 definition

+proj=tmerc +lat_0=0 +lon_0=105.5 +k=0.9999 +x_0=500000 +y_0=0 +ellps=WGS84 +units=m +towgs84=-191.904414,-39.303183,-111.450328,0.009288,-0.019755,0.004274,0.252906 +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:9209.

WKT (ESRI format, the .prj content)

PROJCS["VN-2000_TM-3_105-30",GEOGCS["GCS_VN_2000",DATUM["D_Vietnam_2000",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",105.5],PARAMETER["Scale_Factor",0.9999],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Vietnam

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 — Vietnam