EPSG systems

EPSG:5646 NAD83 / Vermont (ftUS)

Projected system (Transverse Mercator) in use: USA - Vermont. The full definition below, and conversion in one click.

System record
CodeEPSG:5646
NameNAD83 / Vermont (ftUS)
TypeProjected system — Transverse Mercator
Area of use USA - Vermont
United States (USA) - Vermont - counties of Addison; Bennington; Caledonia; Chittenden; Essex; Franklin; Grand Isle; Lamoille; Orange; Orleans; Rutland; Washington; Windham; Windsor.
Bounds W -73,44° · S 42,72° · E -71,50° · N 45,03°
Countries United States
DatumNorth 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
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin42.5degree
Longitude of natural origin-72.5degree
Scale factor at natural origin0.999964286unity
False easting1640416.6667US survey foot
False northing0US survey foot

proj4 definition

+proj=tmerc +lat_0=42.5 +lon_0=-72.5 +k=0.999964286 +x_0=500000.00001016 +y_0=0 +a=6378137 +rf=298.257222101 +units=us-ft +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:5646.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_StatePlane_Vermont_FIPS_4400_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",1640416.6667],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-72.5],PARAMETER["Scale_Factor",0.999964286],PARAMETER["Latitude_Of_Origin",42.5],UNIT["US survey foot",0.304800609601219]]

All systems — United States

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.