New Zealand Coordinate Conversions
Use this form to convert coordinates between datums, projections and height coordinate systems used in New Zealand.
If you are unsure you may find what you need in a list of commonly used conversions
If you want to convert heights between different vertical datums use the vertical datum conversion form.
This application can convert up to 10000 coordinates at a time. For bulk coordinate conversions it is recommended that you use the downloadable concord software or the online coordinate conversion API. The API can convert up to 200000 coordinates at a time. Many GIS and survey software also support these coordinate conversions.