EPSG:7131 NAD83(2011) / San Francisco CS13
Projected system (Transverse Mercator) in use: USA - California - San Francisco Bay Area. The full definition below, and conversion in one click.
| Code | EPSG:7131 |
|---|---|
| Name | NAD83(2011) / San Francisco CS13 |
| Type | Projected system — Transverse Mercator |
| Area of use |
USA - California - San Francisco Bay Area United States (USA) - California - San Francisco bay area - counties of Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Santa Cruz, Solano and Sonoma. |
| Bounds | W -123,56° · S 36,85° · E -121,20° · N 38,87° |
| 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 | Spatial referencing in and around city and county of San Francisco. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 37.75 | degree |
| Longitude of natural origin | -122.45 | degree |
| Scale factor at natural origin | 1.000007 | unity |
| False easting | 48000 | metre |
| False northing | 24000 | metre |
proj4 definition
+proj=tmerc +lat_0=37.75 +lon_0=-122.45 +k=1.000007 +x_0=48000 +y_0=24000 +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:7131.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_2011_San_Francisco_CS13_Meters",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["Transverse_Mercator"],PARAMETER["False_Easting",48000.0],PARAMETER["False_Northing",24000.0],PARAMETER["Central_Meridian",-122.45],PARAMETER["Scale_Factor",1.000007],PARAMETER["Latitude_Of_Origin",37.75],UNIT["Meter",1.0]]Other systems — United States
- EPSG:7112NAD83(2011) / RMTCRS Fort Belknap (m)
- EPSG:7113NAD83(2011) / RMTCRS Fort Peck Assiniboine (m)
- EPSG:7114NAD83(2011) / RMTCRS Fort Peck Sioux (m)
- EPSG:7115NAD83(2011) / RMTCRS Crow (m)
- EPSG:7116NAD83(2011) / RMTCRS Bobcat (m)
- EPSG:7117NAD83(2011) / RMTCRS Billings (m)
- EPSG:7118NAD83(2011) / RMTCRS Wind River (m)
- EPSG:7119NAD83(2011) / RMTCRS St Mary (ft)
- EPSG:7120NAD83(2011) / RMTCRS Blackfeet (ft)
- EPSG:7121NAD83(2011) / RMTCRS Milk River (ft)
- EPSG:7122NAD83(2011) / RMTCRS Fort Belknap (ft)
- EPSG:7123NAD83(2011) / RMTCRS Fort Peck Assiniboine (ft)
- EPSG:7124NAD83(2011) / RMTCRS Fort Peck Sioux (ft)
- EPSG:7125NAD83(2011) / RMTCRS Crow (ft)
- EPSG:7126NAD83(2011) / RMTCRS Bobcat (ft)
- EPSG:7127NAD83(2011) / RMTCRS Billings (ft)
- EPSG:7128NAD83(2011) / RMTCRS Wind River (ftUS)
- EPSG:7132NAD83(2011) / San Francisco CS13 (ftUS)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.