EPSG:4180 EST97
Geographic system in latitude and longitude, in use: Estonia. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4180 |
|---|---|
| Name | EST97 |
| Type | Geographic system |
| Area of use |
Estonia Estonia - onshore and offshore. |
| Bounds | W 20,37° · S 57,52° · E 28,20° · N 60,00° |
| Countries | Estonia |
| Datum | Estonia 1997 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | EST97 to WGS 84 (1) (EPSG:1649) — accuracy 1 m |
| Scope | Horizontal component of 3D system. |
proj4 definition
+proj=longlat +ellps=GRS80 +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:4180.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Estonia_1997",DATUM["D_Estonia_1997",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]
Other systems — Estonia
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.