EPSG systems

EPSG:5382 SIRGAS-ROU98 / UTM zone 21S

Projected system (Transverse Mercator) in use: Uruguay - west of 54°W. The full definition below, and conversion in one click.

System record
CodeEPSG:5382
NameSIRGAS-ROU98 / UTM zone 21S
TypeProjected system — Transverse Mercator
Area of use Uruguay - west of 54°W
Uruguay - west of 54°W, onshore and offshore.
Bounds W -58,49° · S -36,63° · E -54,00° · N -30,09°
Countries Uruguay
DatumSIRGAS-ROU98
Ellipsoid WGS 84 a = 6378137 m · 1/f = 298.257223563
Base geographic system EPSG:5381 — SIRGAS-ROU98
Unit metre (E east, N north)
Transformation to WGS 84 SIRGAS-ROU98 to WGS 84 (1) (EPSG:5384) — accuracy 1 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin-57degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing10000000metre

proj4 definition

+proj=utm +zone=21 +south +ellps=WGS84 +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:5382.

WKT (ESRI format, the .prj content)

PROJCS["SIRGAS-ROU98_UTM_Zone_21S",GEOGCS["GCS_SIRGAS-ROU98",DATUM["D_SIRGAS-ROU98",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",10000000.0],PARAMETER["Central_Meridian",-57.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Uruguay

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