Decimalisation
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In the management of currencies, decimalisation (or decimalization) is the process of converting from traditional denominations to a "decimal" system, usually with two units differing by a factor of one hundred.
The logical appeal of decimalisation in general has generally been much more popular in currency than in physical measurements, and few countries have coupled the two processes.
All countries that had non-decimal currencies have decimalised, at least in practice.
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[edit] Formal decimalisations
[edit] Russia
Russia was the first country to convert to a decimal currency. In 1710, Peter the Great set the ruble equal to 100 kopecks in a series of reforms to modernise Russia.
[edit] The United States
The United States introduced decimal currency with the dollar in 1792 (adopting only the currency aspects of a more comprehensive decimal system of measurement proposed by Thomas Jefferson).
[edit] France
In France, decimalisation of the coinage was accompanied by metrication of other measures, introducing the franc in 1803 to replace the Livre tournois, abolished during the Revolution.
France introduced decimalisation on a number of countries that it occupied during the Napoleonic period.
[edit] Canada
Decimalization in Canada was complicated by the different jurisdictions before Confederation. However, the first coin for Canada, in 1858, was a decimal one cent piece.
[edit] Sri Lanka
Sri Lanka (known in the West as Ceylon at that time) decimalised in 1869.
[edit] Cyprus
Cyprus decimalised the Cypriot pound in 1955 by dividing it into 1000 mils, later replaced by 100 cents.
[edit] India
India changed from the rupee, anna, pie system to decimal currency on 1 April 1957. Pakistan followed in 1961.
[edit] South Africa
South Africa decimalised in 1961, introducing the rand as the new unit of currency at half a South African pound (ten shillings).
[edit] Australia & New Zealand
Australia decimalised in 1966. The Australian dollar is equivalent to ten shillings or half an Australian pound in the previous currency. The Australian cent is five sixths of an Australian penny, although they were usually exchanged on a 1:1 basis when both were circulating. A similar strategy was followed in New Zealand in 1967, with the introduction of the New Zealand dollar.
[edit] UK and Ireland
On Decimal Day, 15 February 1971, the United Kingdom decimalised the pound sterling and the Republic of Ireland the Irish pound.
[edit] Malta
Malta decimalised its currency the Maltese Lira in 1972.
[edit] Non Currency Cases
In the special context of stating the prices of stocks, traded almost always in blocks of one hundred or more shares and usually in blocks of many thousands, stock exchanges in the U.S. used eighths or sixteenths of dollars, until converting to decimals between 2000 and 2001.
[edit] £sd conversion
In places where £sd was used, the decimalisation process either defines one new penny = Template:Frac pound, where the main unit (the pound) is not changed; or a new main unit (such as the dollar), is introduced as a half pound, and one cent = Template:Frac dollar.
The following table shows the conversion of common denominations of coins of the £sd system, where the main unit (the pound) is not changed.
| Common name | Amount | New £p | |
|---|---|---|---|
| Halfpenny | Template:Fracd. | Template:Fracp ≈ 0.208p | |
| Penny | 1d. | Template:Fracp ≈ 0.417p | |
| Threepence | 3d. | Template:Fracp | |
| Sixpence | 6d. | Template:Fracp | |
| Shilling | 1/- | 5p | |
| Florin | 2/- | 10p | |
| Half crown | 2/6 | Template:Fracp | |
| Crown | 5/- | 25p | |
| Half sovereign | 10/- | 50p | |
| Sovereign | £1 | £1 |
[edit] Rupee-anna-paisa-pie conversion
In India, Pakistan, and other places where a system of 1 rupee = 16 annas = 64 paise = 192 pies was used, the decimalisation process defines 1 new paisa = Template:Frac rupee. The following table shows the conversion of common denominations of coins issued in modern India and Pakistan. Bold denotes the actual denomination written on the coins
| Rupee | Anna | Paisa | Pie | New paisa |
|---|---|---|---|---|
| Template:Frac | Template:Frac | Template:Frac | 1 | Template:Frac ≈ 0.5208
|
| Template:Frac | Template:Frac | Template:Frac | Template:Frac | Template:Frac = 0.78125
|
| Template:Frac | Template:Frac | 1 | 3 | Template:Frac = 1.5625
|
| Template:Frac | Template:Frac | 2 | 6 | Template:Frac = 3.125
|
| Template:Frac | 1 | 4 | 12 | Template:Frac = 6.25
|
| Template:Frac | 2 | 8 | 24 | Template:Frac = 12.5
|
| Template:Frac | 4 | 16 | 48 | 25
|
| Template:Frac | 8 | 32 | 96 | 50
|
| 1 | 16 | 64 | 192 | 100
|
[edit] De facto decimalisation
Mauritania and Madagascar theoretically retain currencies with units whose values are in the ratio five to one: the Mauritanian ouguiya (MRO) is equivalent to five khoums, and the Malagasy ariary (MGA) to five iriambilanja.
In practice, however, the value of each of these four units is quite small: as of 2005, the MRO is traded against the euro at about 330 to one, and the MGA at about 2300 to one. In each of these countries, the smaller denomination has fallen out of use.
[edit] Decimalisation experience and introduction of the euro
Before the introduction of physical euro notes and coins on 1 January 2002, the plans and experiences of various decimalisations, particularly decimalisation in the United Kingdom in 1971, were studied by the European Central Bank because many of the lessons could be learnt and applied to the introduction of the euro. For example, on how to educate the public (particularly the elderly), how long the transition was likely to take, the likely speed of uptake of the new currency, the likely effects on inflation for those currencies where one cent was greater in value than the smallest coin in circulation before the transition and the likely criminal activities which might be attempted during the transition period.
[edit] See also
[edit] External links
- Plan for establishing uniformity in the Coinage, Weights, and Measures of the United States: text of a report to the U.S. House of Representatives by Thomas Jefferson.ca:Decimalització
