This information is already posted at Wikipedia as follows: http://en.wikipedia.org/wiki/Metrication_in_Australia
Miles.
miles
Meters
The same units that you use for length and distance. For example, the SI unit would be the meter.
If it's a big town, then miles.
I would use my legs, not a measurement! To measure the distance, I would use metres.
You can use a measuring tape or a laser measuring device to measure the distance to the door in metric units, such as meters or centimeters. Simply extend the measuring tool from your starting point to the door to determine the distance.
To measure the distance across a lake, you would typically use kilometers or miles, depending on the scale of the lake and the preference for metric or imperial units. For smaller lakes, meters may also be appropriate. Using these units allows for a clear understanding of the distance involved.
Any of those units could be used. 'Kilometers' would result in the most convenient number.
inches or centimeters, I would use inches.
No. You would use different units of measurement. You would measure the size (circumference) of your waist (for trousers) in centimetres. You would not measure the distance to the moon in centimetres!
The best unit to measure the distance from Fairbanks to Anchorage would be miles or kilometers. These units are commonly used to measure long distances between cities and are widely understood.