Coordinate transformations to NZGD2000

The EPSG Geodetic Parameter Dataset defines official transformations from 2 coordinate reference systems to NZGD2000 (EPSG:4167). Each page lists the published parameters, accuracy and area of use, with a free in-browser converter.

• Chatham Islands 1979 → NZGD2000±2 m
• NZGD49 → NZGD2000±0.2 m