Australian pound became $1 and 1s became 10c. The conversion rate was problematic for the pre-decimal penny since the shilling was divided into twelve pence. An exchange rate of $2.40:£1 would have allowed for accurate conversion down to the penny, with one penny becoming one cent; however, the Government thought it more important that the new currency unit be more valuable than the United States dollar which it would not have been under a 2.4:1 ratio. Amounts less than a shilling were converted as follows: In 1855, gold full and half sovereigns (worth respectively one pound sterling and ten shillings) were first
Pound sterling Later, in 1966, the British government decided to include in the Queen's Speech a plan to convert the pound into a decimal currency. As a result of this, on 15 February 1971, the UK decimalised the pound sterling, replacing the shilling and penny with a single subdivision, the new penny. For example, a price tag of £1 12s 6d became . The word "new" was omitted from coins minted after 1981. With the breakdown of the Bretton Woods system, the pound floated from August 1971 onwards. At first it appreciated a little, rising to almost $2.65 in March 1972 from