EPSG:3181 GR96 / UTM zone 21N
Projected system (Transverse Mercator) in use: Greenland - 60°W to 54°W. The full definition below, and conversion in one click.
| Code | EPSG:3181 |
|---|---|
| Name | GR96 / UTM zone 21N |
| Type | Projected system — Transverse Mercator |
| Area of use |
Greenland - 60°W to 54°W Greenland - between 60°W and 54°W, onshore and offshore south of 84°N. |
| Bounds | W -60,00° · S 58,91° · E -54,00° · N 84,00° |
| Countries | Greenland |
| Datum | Greenland 1996 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4747 — GR96 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | GR96 to WGS 84 (1) (EPSG:15879) — accuracy 1 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | -57 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
proj4 definition
+proj=utm +zone=21 +ellps=GRS80 +units=m +towgs84=0,0,0 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:3181.
WKT (ESRI format, the .prj content)
PROJCS["Greenland_1996_UTM_Zone_21N",GEOGCS["GCS_Greenland_1996",DATUM["D_Greenland_1996",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-57.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Other systems — Greenland
- EPSG:2299Qornoq 1927 / Greenland zone 2 west
- EPSG:2301Qornoq 1927 / Greenland zone 3 west
- EPSG:2303Qornoq 1927 / Greenland zone 4 west
- EPSG:2304Qornoq 1927 / Greenland zone 5 west
- EPSG:2305Qornoq 1927 / Greenland zone 6 west
- EPSG:2306Qornoq 1927 / Greenland zone 7 west
- EPSG:2307Qornoq 1927 / Greenland zone 8 east
- EPSG:3178GR96 / UTM zone 18N
- EPSG:3179GR96 / UTM zone 19N
- EPSG:3180GR96 / UTM zone 20N
- EPSG:3182GR96 / UTM zone 22N
- EPSG:3183GR96 / UTM zone 23N
- EPSG:3184GR96 / UTM zone 24N
- EPSG:3185GR96 / UTM zone 25N
- EPSG:3186GR96 / UTM zone 26N
- EPSG:3187GR96 / UTM zone 27N
- EPSG:3188GR96 / UTM zone 28N
- EPSG:3189GR96 / UTM zone 29N
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.