EPSG:26912 NAD83 / UTM zone 12N
Projected system (Transverse Mercator) in use: North America - 114°W to 108°W and NAD83 by country. The full definition below, and conversion in one click.
| Code | EPSG:26912 |
|---|---|
| Name | NAD83 / UTM zone 12N |
| Type | Projected system — Transverse Mercator |
| Area of use |
North America - 114°W to 108°W and NAD83 by country North America - between 114°W and 108°W - onshore and offshore. Canada - Alberta; Northwest Territories; Nunavut; Saskatchewan. United States (USA) - Arizona; Colorado; Idaho; Montana; New Mexico; Utah; Wyoming. |
| Bounds | W -114,00° · S 31,33° · E -108,00° · N 84,00° |
| Countries | Canada, United States, Mexico |
| Datum | North American Datum 1983 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4269 — NAD83 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | NAD83 to WGS 84 (1) (EPSG:1188) — accuracy 4 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | -111 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
proj4 definition
+proj=utm +zone=12 +a=6378137 +rf=298.257222101 +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:26912.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_UTM_Zone_12N",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",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",-111.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Other systems — Canada
- EPSG:26897NAD83(CSRS) / MTM zone 17
- EPSG:26898NAD83(CSRS) / MTM zone 1
- EPSG:26899NAD83(CSRS) / MTM zone 2
- EPSG:26907NAD83 / UTM zone 7N
- EPSG:26908NAD83 / UTM zone 8N
- EPSG:26909NAD83 / UTM zone 9N
- EPSG:26910NAD83 / UTM zone 10N
- EPSG:26911NAD83 / UTM zone 11N
- EPSG:26913NAD83 / UTM zone 13N
- EPSG:26914NAD83 / UTM zone 14N
- EPSG:26915NAD83 / UTM zone 15N
- EPSG:26916NAD83 / UTM zone 16N
- EPSG:26917NAD83 / UTM zone 17N
- EPSG:26918NAD83 / UTM zone 18N
- EPSG:26919NAD83 / UTM zone 19N
- EPSG:26921NAD83 / UTM zone 21N
- EPSG:26922NAD83 / UTM zone 22N
- EPSG:26923NAD83 / UTM zone 23N
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.