EPSG:2243 NAD83 / Idaho West (ftUS)
Projected system (Transverse Mercator) in use: USA - Idaho - SPCS - W. The full definition below, and conversion in one click.
| Code | EPSG:2243 |
|---|---|
| Name | NAD83 / Idaho West (ftUS) |
| Type | Projected system — Transverse Mercator |
| Area of use |
USA - Idaho - SPCS - W United States (USA) - Idaho - counties of Ada; Adams; Benewah; Boise; Bonner; Boundary; Canyon; Clearwater; Elmore; Gem; Idaho; Kootenai; Latah; Lewis; Nez Perce; Owyhee; Payette; Shoshone; Valley; Washington. |
| Bounds | W -117,24° · S 41,99° · E -114,32° · N 49,01° |
| Countries | United States |
| Datum | North American Datum 1983 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4269 — NAD83 |
| Unit | US survey foot (X east, Y 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 | 41.666666666666664 | degree |
| Longitude of natural origin | -115.75 | degree |
| Scale factor at natural origin | 0.999933333 | unity |
| False easting | 2624666.667 | US survey foot |
| False northing | 0 | US survey foot |
proj4 definition
+proj=tmerc +lat_0=41.6666666666667 +lon_0=-115.75 +k=0.999933333 +x_0=800000.0001016 +y_0=0 +a=6378137 +rf=298.257222101 +units=us-ft +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:2243.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_StatePlane_Idaho_West_FIPS_1103_Feet",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",2624666.667],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-115.75],PARAMETER["Scale_Factor",0.999933333],PARAMETER["Latitude_Of_Origin",41.6666666666667],UNIT["US survey foot",0.304800609601219]]Other systems — United States
- EPSG:2233NAD83 / Colorado South (ftUS)
- EPSG:2234NAD83 / Connecticut (ftUS)
- EPSG:2235NAD83 / Delaware (ftUS)
- EPSG:2236NAD83 / Florida East (ftUS)
- EPSG:2237NAD83 / Florida West (ftUS)
- EPSG:2238NAD83 / Florida North (ftUS)
- EPSG:2239NAD83 / Georgia East (ftUS)
- EPSG:2240NAD83 / Georgia West (ftUS)
- EPSG:2241NAD83 / Idaho East (ftUS)
- EPSG:2242NAD83 / Idaho Central (ftUS)
- EPSG:2246NAD83 / Kentucky North (ftUS)
- EPSG:2247NAD83 / Kentucky South (ftUS)
- EPSG:2248NAD83 / Maryland (ftUS)
- EPSG:2249NAD83 / Massachusetts Mainland (ftUS)
- EPSG:2250NAD83 / Massachusetts Island (ftUS)
- EPSG:2251NAD83 / Michigan North (ft)
- EPSG:2252NAD83 / Michigan Central (ft)
- EPSG:2253NAD83 / Michigan South (ft)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.