Letter Postage Cost Australia. The amount of postage you need for a letter is determined by the weight, size and destination of your item. Tracking within the uk, and a signature on delivery.
Tracking within the uk, and a signature on delivery. Format and max measurements max weight 1st class 2nd class; First class mail letters when purchased at the post office $0.49;
From january, posting a letter within australia will cost $1.10 instead.
From january, posting a letter within australia will cost $1.10 instead. 30 g, 50 g air mail: This includes an increase of the basic postage rate for ordinary small letters delivered at the regular timetable from $1.00 to $1.10. For postage rates on items from other countries, check the postal website of the originating country.