EPSG systems

EPSG:3851 NZGD2000 / NZCS2000

Projected system (Lambert Conic Conformal (2SP)) in use: New Zealand - offshore. The full definition below, and conversion in one click.

System record
CodeEPSG:3851
NameNZGD2000 / NZCS2000
TypeProjected system — Lambert Conic Conformal (2SP)
Area of use New Zealand - offshore
Bounds W 160,60° · S -55,95° · E -171,20° · N -25,88°
Countries New Zealand
DatumNew Zealand Geodetic Datum 2000
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4167 — NZGD2000
Unit metre (N north, E east)
Transformation to WGS 84 NZGD2000 to WGS 84 (1) (EPSG:1565) — accuracy 1 m
ScopeSpatial referencing.

Projection parameters

ParameterValueUnit
Latitude of false origin-41degree
Longitude of false origin173degree
Latitude of 1st standard parallel-37.5degree
Latitude of 2nd standard parallel-44.5degree
Easting at false origin3000000metre
Northing at false origin7000000metre

proj4 definition

+proj=lcc +lat_0=-41 +lon_0=173 +lat_1=-37.5 +lat_2=-44.5 +x_0=3000000 +y_0=7000000 +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:3851.

WKT (ESRI format, the .prj content)

PROJCS["NZGD_2000_NZ_Continental_Shelf_2000",GEOGCS["GCS_NZGD_2000",DATUM["D_NZGD_2000",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",3000000.0],PARAMETER["False_Northing",7000000.0],PARAMETER["Central_Meridian",173.0],PARAMETER["Standard_Parallel_1",-37.5],PARAMETER["Standard_Parallel_2",-44.5],PARAMETER["Latitude_Of_Origin",-41.0],UNIT["Meter",1.0]]

All systems — New Zealand

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