EPSG:3561 Old Hawaiian / Hawaii zone 1
Projected system (Transverse Mercator) in use: USA - Hawaii - island of Hawaii - onshore. The full definition below, and conversion in one click.
| Code | EPSG:3561 |
|---|---|
| Name | Old Hawaiian / Hawaii zone 1 |
| Type | Projected system — Transverse Mercator |
| Area of use |
USA - Hawaii - island of Hawaii - onshore United States (USA) - Hawaii - island of Hawaii - onshore. |
| Bounds | W -156,10° · S 18,87° · E -154,74° · N 20,33° |
| Countries | United States |
| Datum | Old Hawaiian |
| Ellipsoid | Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214 |
| Base geographic system | EPSG:4135 — Old Hawaiian |
| Unit | US survey foot (X east, Y north) |
| Transformation to WGS 84 | Old Hawaiian to WGS 84 (3) (EPSG:15824) — accuracy 38 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 18.833333333333332 | degree |
| Longitude of natural origin | -155.5 | degree |
| Scale factor at natural origin | 0.999966667 | unity |
| False easting | 500000 | US survey foot |
| False northing | 0 | US survey foot |
proj4 definition
+proj=tmerc +lat_0=18.8333333333333 +lon_0=-155.5 +k=0.999966667 +x_0=152400.30480061 +y_0=0 +ellps=clrk66 +units=us-ft +towgs84=61,-285,-181 +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:3561.
WKT (ESRI format, the .prj content)
PROJCS["Old_Hawaiian_StatePlane_Hawaii_1_FIPS_5101",GEOGCS["GCS_Old_Hawaiian",DATUM["D_Old_Hawaiian",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-155.5],PARAMETER["Scale_Factor",0.999966667],PARAMETER["Latitude_Of_Origin",18.8333333333333],UNIT["US survey foot",0.304800609601219]]
Other systems — United States
- EPSG:3552NAD83(NSRS2007) / Louisiana South
- EPSG:3553NAD83(NSRS2007) / Louisiana South (ftUS)
- EPSG:3554NAD83(NSRS2007) / Maine CS2000 Central
- EPSG:3555NAD83(NSRS2007) / Maine CS2000 East
- EPSG:3556NAD83(NSRS2007) / Maine CS2000 West
- EPSG:3557NAD83(NSRS2007) / Maine East
- EPSG:3558NAD83(NSRS2007) / Maine West
- EPSG:3559NAD83(NSRS2007) / Maryland
- EPSG:3560NAD83 / Utah North (ftUS)
- EPSG:3562Old Hawaiian / Hawaii zone 2
- EPSG:3563Old Hawaiian / Hawaii zone 3
- EPSG:3564Old Hawaiian / Hawaii zone 4
- EPSG:3565Old Hawaiian / Hawaii zone 5
- EPSG:3566NAD83 / Utah Central (ftUS)
- EPSG:3567NAD83 / Utah South (ftUS)
- EPSG:3568NAD83(HARN) / Utah North (ftUS)
- EPSG:3569NAD83(HARN) / Utah Central (ftUS)
- EPSG:3570NAD83(HARN) / Utah South (ftUS)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.