EPSG:3577 · Australia

GDA94 / Australian Albers to KML & KMZ

GDA94 / Australian Albers (EPSG:3577) is a aea coordinate system on the GDA94 datum, with coordinates in metres. Its official area of use is: Australia - Australian Capital Territory; New South Wales; Northern Territory; Queensland; South Australia; Tasmania; Western Australia; Victoria.

  • Converter already set to EPSG:3577
  • Latitude and longitude on WGS 84, as Google Earth uses
  • Download the point as KML
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Good to know

  • Datum: Treated as WGS 84, no shift (the datums agree to about a metre or better).

Convert a whole spreadsheet

  1. Open the web app or the Windows app, and paste your rows from Excel or open a CSV file.
  2. Under Coordinate system, search for “3577” and pick GDA94 / Australian Albers.
  3. Check one point you know on the map, then press Save KML or Save KMZ and open it in Google Earth.

Check points for EPSG:3577

Five points inside the area of use of GDA94 / Australian Albers, with their latitude and longitude on WGS 84 and their easting and northing in this grid (metres). Enter an easting and northing in the converter above: you should get the latitude and longitude shown, to a few centimetres.

PointLatitudeLongitudeEastingNorthing
Middle of the area of use26.78000° S133.27000° E124,755.68-2,902,763.20
Towards the north-west16.62800° S121.01800° E-1,174,629.47-1,821,137.58
Towards the north-east16.62800° S145.52200° E1,445,387.16-1,847,183.61
Towards the south-west36.93200° S121.01800° E-980,092.22-4,078,650.84
Towards the south-east36.93200° S145.52200° E1,206,008.14-4,100,383.23

Common mistakes with GDA94 / Australian Albers

  • Easting and northing swapped. In GDA94 / Australian Albers the middle of the grid is near easting 124,755.68 and northing -2,902,763.20. If your easting column holds numbers like -2,902,763.20, the columns are the wrong way round and every point lands far away: swap them before converting.
  • Feet entered as metres. GDA94 / Australian Albers is in metres. Coordinates copied from a drawing in feet must be converted first, or every point moves outwards from the grid's origin.
  • Forgetting the datum. GDA94 / Australian Albers is not on WGS 84: treated as WGS 84, no shift (the datums agree to about a metre or better). Picking a WGS 84 grid with the same projection instead leaves the points off by that amount.
  • Points outside the grid's area. GDA94 / Australian Albers is meant for Australia - Australian Capital Territory; New South Wales; Northern Territory; Queensland; South Australia; Tasmania; Western Australia; Victoria. Points well outside that area convert with growing error; the converter flags them so you can choose the right grid.
  • A local site grid. If every point is off by the same distance and direction, the drawing may be on a local site grid. Calibrate on three or more known control points instead.

New to this? Read how to convert easting and northing to latitude and longitude.