Conversion software

The following software does not provide support for GDA94 – GDA2020 transformations.

Please enquire with your software provider for GDA2020 support and /or review the ICSM GDA2020 transformation products website.

The following applications are provided free of charge by Spatial Services to support datum modernisation.

Whilst all effort is made to ensure the accuracy and currency of these applications, Spatial Services does not accept responsibility for any actions arising from their use.

GridCalc (GDA2020) for NSW (including Combined Scale Factor calculation)

The GridCalc (GDA2020) for NSW spreadsheet package includes CSF calculation for GDA2020 and is available from ICSM’s GitHub repository (GridCalc_GDA2020_NSW.xlsm will require Microsoft Excel 2007 or later).

GEOD - Transformation software

GEOD is a Windows compatible program that transforms individual points or files of point data (csv, ssv, acs27) between various coordinate systems in use across Australia.

View more detailed information or download GEOD.

DatumTran - Transformation software

DatumTran is a Windows compatible program that transforms common GIS data files of grid or geographic coordinates between Australian Geodetic Datums (AGD66 / AGD84) and GDA94.

DatumTran (v1.6) also transforms between GDA94 and ITRF (International Terrestrial Reference Frame).

DatumTran (v1.6) supports many ASCII data file formats and also ESRI binary 'shape' files.

View more detailed information or download DatumTran.