EPSG systems

EPSG:31257 MGI / Austria GK M28

Projected system (Transverse Mercator) in use: Austria - west of 11°50'E. The full definition below, and conversion in one click.

Convert coordinates Open in Carte Download the .prj

System record
Code	EPSG:31257
Name	MGI / Austria GK M28
Type	Projected system — Transverse Mercator
Area of use	Austria - west of 11°50'E Austria west of 11°50'E of Greenwich (29°30'E of Ferro).
Bounds	W 9,53° · S 46,77° · E 11,84° · N 47,61°
Countries	Austria
Datum	Militar-Geographische Institut
Ellipsoid	Bessel 1841 a = 6377397.155 m · 1/f = 299.1528128
Base geographic system	EPSG:4312 — MGI
Unit	metre (X north, Y east)
Transformation to WGS 84	MGI to WGS 84 (3) (EPSG:1618) — accuracy 1.5 m
Scope	Engineering survey, topographic mapping.

Projection parameters

Parameter	Value	Unit
Latitude of natural origin	0	degree
Longitude of natural origin	10.333333333333334	degree
Scale factor at natural origin	1	unity
False easting	150000	metre
False northing	-5000000	metre

proj4 definition

+proj=tmerc +lat_0=0 +lon_0=10.3333333333333 +k=1 +x_0=150000 +y_0=-5000000 +ellps=bessel +units=m +towgs84=577.326,90.129,463.919,5.137,1.474,5.297,2.4232 +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:31257.

WKT (ESRI format, the .prj content)

PROJCS["MGI_Austria_GK_M28",GEOGCS["GCS_MGI",DATUM["D_MGI",SPHEROID["Bessel_1841",6377397.155,299.1528128]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",150000.0],PARAMETER["False_Northing",-5000000.0],PARAMETER["Central_Meridian",10.3333333333333],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Austria

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 — Austria