EPSG:6433 NAD83(2011) / Connecticut
Projected system (Lambert Conic Conformal (2SP)) in use: USA - Connecticut. The full definition below, and conversion in one click.
| Code | EPSG:6433 |
|---|---|
| Name | NAD83(2011) / Connecticut |
| Type | Projected system — Lambert Conic Conformal (2SP) |
| Area of use |
USA - Connecticut United States (USA) - Connecticut - counties of Fairfield; Hartford; Litchfield; Middlesex; New Haven; New London; Tolland; Windham. |
| Bounds | W -73,73° · S 40,98° · E -71,78° · N 42,05° |
| Countries | United States |
| Datum | NAD83 (National Spatial Reference System 2011) |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:6318 — NAD83(2011) |
| Unit | metre (X east, Y north) |
| Transformation to WGS 84 | NAD83(2011) to WGS 84 (1) (EPSG:9774) — accuracy 2 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of false origin | 40.833333333333336 | degree |
| Longitude of false origin | -72.75 | degree |
| Latitude of 1st standard parallel | 41.86666666666667 | degree |
| Latitude of 2nd standard parallel | 41.2 | degree |
| Easting at false origin | 304800.6096 | metre |
| Northing at false origin | 152400.3048 | metre |
proj4 definition
+proj=lcc +lat_0=40.8333333333333 +lon_0=-72.75 +lat_1=41.8666666666667 +lat_2=41.2 +x_0=304800.6096 +y_0=152400.3048 +ellps=GRS80 +units=m +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:6433.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_2011_StatePlane_Connecticut_FIPS_0600",GEOGCS["GCS_NAD_1983_2011",DATUM["D_NAD_1983_2011",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",304800.6096],PARAMETER["False_Northing",152400.3048],PARAMETER["Central_Meridian",-72.75],PARAMETER["Standard_Parallel_1",41.8666666666667],PARAMETER["Standard_Parallel_2",41.2],PARAMETER["Latitude_Of_Origin",40.8333333333333],UNIT["Meter",1.0]]
Other systems — United States
- EPSG:6424NAD83(2011) / California zone 5 (ftUS)
- EPSG:6425NAD83(2011) / California zone 6
- EPSG:6426NAD83(2011) / California zone 6 (ftUS)
- EPSG:6427NAD83(2011) / Colorado Central
- EPSG:6428NAD83(2011) / Colorado Central (ftUS)
- EPSG:6429NAD83(2011) / Colorado North
- EPSG:6430NAD83(2011) / Colorado North (ftUS)
- EPSG:6431NAD83(2011) / Colorado South
- EPSG:6432NAD83(2011) / Colorado South (ftUS)
- EPSG:6434NAD83(2011) / Connecticut (ftUS)
- EPSG:6435NAD83(2011) / Delaware
- EPSG:6436NAD83(2011) / Delaware (ftUS)
- EPSG:6437NAD83(2011) / Florida East
- EPSG:6438NAD83(2011) / Florida East (ftUS)
- EPSG:6439NAD83(2011) / Florida GDL Albers
- EPSG:6440NAD83(2011) / Florida North
- EPSG:6441NAD83(2011) / Florida North (ftUS)
- EPSG:6442NAD83(2011) / Florida West
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.