ASIC have a consumer website called money smart with lots of helpful information on personal finances.  There are also a retirement calculator which can help estimate how much money you may have in retirement from super benefits and Centrelink age pension entitlements.  There are also other calculators on the website around superannuation, home loans, savings goals and budget planners.

The link to the website is below:
http://www.moneysmart.gov.au/