From 1910 to 1966, Australia used a monetary system system identical to the old British system of Pounds, Shillings and Pence. 12 Pence to a Shilling, 20 Shillings to a Pound. Australia's currency is the Australian Dollar (AUD). There are 100 cents in the Australian Dollar. Australia adopted this currency on the 14th of February, 1966. <br /> Its value is heavily influenced by commodity prices with traditionally high interest rates a factor.