Exchange rates are dynamically changing. At the time of writing this travel information, the rates are:

    The United States Dollar (USD) is worth about 1.18 Australian Dollars (AUD)
    The Euro (EUR) is worth 1.62 Australian Dollars (AUD)
    Pound Sterling (GBP) is worth 2.40 Australian Dollars (AUD)
    The Singapore Dollar (SGD) is worth 0.78 Australian Dollars (AUD)
    The New Zealand Dollar (NZD) is worth 0.88 Australian Dollars (AUD)
    The Japanese Yen (JPY) is worth 0.01 Australian Dollars (AUD)
    The Canadian Dollar (CAD) is worth 1.13 Australian Dollars (AUD)

See http://www.xe.net for the latest exchange rates for all currencies.