EPSG systems

EPSG:3846 SWEREF99 / RT90 5 gon V emulation

Projected system (Transverse Mercator) in use: Sweden - 5 gon W. The full definition below, and conversion in one click.

System record
CodeEPSG:3846
NameSWEREF99 / RT90 5 gon V emulation
TypeProjected system — Transverse Mercator
Area of use Sweden - 5 gon W
Sweden - communes between approximately 12°26'E and 14°40'E. See information source for map.
Bounds W 11,81° · S 55,28° · E 15,44° · N 64,39°
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
ScopeUser-defined CRS in GPS receiver.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin13.556266666666668degree
Scale factor at natural origin1.0000058unity
False easting1500044.695metre
False northing-667.13metre

proj4 definition

+proj=tmerc +lat_0=0 +lon_0=13.5562666666667 +k=1.0000058 +x_0=1500044.695 +y_0=-667.13 +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:3846.

WKT (ESRI format, the .prj content)

PROJCS["SWEREF99_RT90_5_gon_V_emulation",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",1500044.695],PARAMETER["False_Northing",-667.13],PARAMETER["Central_Meridian",13.5562666666667],PARAMETER["Scale_Factor",1.0000058],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.