EPSG systems

EPSG:3386 KKJ / Finland zone 0

Projected system (Transverse Mercator) in use: Finland - west of 19.5°E onshore. The full definition below, and conversion in one click.

System record
CodeEPSG:3386
NameKKJ / Finland zone 0
TypeProjected system — Transverse Mercator
Area of use Finland - west of 19.5°E onshore
Finland - onshore west of 19°30'E.
Bounds W 19,24° · S 60,08° · E 19,50° · N 60,34°
Countries Finland
DatumKartastokoordinaattijarjestelma (1966)
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Base geographic system EPSG:4123 — KKJ
Unit metre (X north, Y east)
Transformation to WGS 84 KKJ to WGS 84 (2) (EPSG:10099) — accuracy 1 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin18degree
Scale factor at natural origin1unity
False easting500000metre
False northing0metre

proj4 definition

+proj=tmerc +lat_0=0 +lon_0=18 +k=1 +x_0=500000 +y_0=0 +ellps=intl +units=m +towgs84=-96.062,-82.428,-121.753,4.801,0.345,-1.376,1.496 +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:3386.

WKT (ESRI format, the .prj content)

PROJCS["KKJ_Finland_Zone_0",GEOGCS["GCS_KKJ",DATUM["D_KKJ",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",18.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Finland

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