EPSG systems

EPSG:3152 ST74

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

System record
CodeEPSG:3152
NameST74
TypeProjected system — Transverse Mercator
Area of use Sweden - Stockholm
Sweden - Stockholm commune.
Bounds W 17,75° · S 59,22° · E 18,20° · N 59,43°
Countries Sweden
DatumSWEREF99
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4619 — SWEREF99
Unit metre (x north, y east)
Transformation to WGS 84 SWEREF99 to WGS 84 (1) (EPSG:1879) — accuracy 1 m
ScopeCadastre, engineering survey, topographic mapping (large scale).

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin18.05779degree
Scale factor at natural origin0.99999425unity
False easting100178.1808metre
False northing-6500614.7836metre

proj4 definition

+proj=tmerc +lat_0=0 +lon_0=18.05779 +k=0.99999425 +x_0=100178.1808 +y_0=-6500614.7836 +ellps=GRS80 +units=m +towgs84=0,0,0 +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:3152.

WKT (ESRI format, the .prj content)

PROJCS["ST74",GEOGCS["GCS_SWEREF99",DATUM["D_SWEREF99",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",100178.1808],PARAMETER["False_Northing",-6500614.7836],PARAMETER["Central_Meridian",18.05779],PARAMETER["Scale_Factor",0.99999425],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Sweden

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