Humm ... and the Crown just
thought they were getting rid of all you trouble makers by shipping you down under ...
Maybe someday I'll find a better collection of conversions for cooking ingredients - but these may help with some Australian conversions:
This one has some weight and volume conversions between US - Canadian - Aussie (just scroll down to the metric conversions)
This one is on Wikipedia - and has some Aussie - UK - US measurements.
Of course, such things as an Australian Tablespoon being 20ml while it's 15ml everywhere else doesn't help.