
Decimalisation is a significant change in the UK's currency system, introduced in 1971, to replace the old pound, shilling, and pence system with a simpler decimal system.
The main goal of decimalisation was to make financial transactions easier and more efficient, as the old system was found to be confusing and prone to errors.
The UK's new currency system features a 100p coin, divided into 10p, 5p, 2p, and 1p coins, as well as £1, £2, and £5 notes.
The decimalisation process took several years to complete, with the old system being phased out gradually.
Understanding Decimalisation
Decimalisation is a process that simplifies complex calculations by converting fractions into decimals.
The introduction of decimalisation in 1971 replaced the old system of pounds, shillings, and pence with a decimal system based on 100 new pence per pound.
This change made everyday transactions, such as buying groceries or paying bills, much easier and faster.
The new system eliminated the need to calculate with fractions of a pound, making it more straightforward to understand and use.
The UK's decision to adopt decimalisation was influenced by other countries, such as the United States and Australia, which had already made the switch.
The transition was relatively smooth, with most businesses and individuals adapting to the new system within a few years.
A fresh viewpoint: Decimalisation Uk
Currency Changes

Currency changes are a significant part of the decimalisation process.
The UK government set up the Committee of the Inquiry on Decimal Currency, also known as the Halsbury Committee, to advise on the best way to introduce decimal currency. The committee was tasked with advising on the major and minor units to be adopted.
The committee's goal was to minimize the cost of the changeover, and they estimated the probable amount and incidence of the cost to the economy.
The Halsbury Committee's work was influenced by South Africa's successful transition to decimal currency, which led to the UK's decision to adopt a similar system.
Currency Production
The Royal Australian Mint in Canberra was decimalisation's greatest single expenditure, opening a year ahead of C-Day and producing and stockpiling about one billion coins in good time with help from the Royal Mint in London and its branches in Australia.
The new currency's coins were designed to depict Australian wildlife, giving users a unique and recognizable visual identity.

To match the decimal denominations with their pound/shilling/pence counterparts, the $1 bill replaced the 10-shilling note, making the transition easier for users.
The overall look and feel of the notes was radically different to anything Australians had seen before, with a fresh and modern design that reflected Australia's history and contribution to the wider world.
The New Coins
The new coins were released to make the transition to decimal currency as easy as possible. They were designed to be the same size as their pre-decimal counterparts.
The 5-pence piece and the 10-pence piece were the first new decimal coins released, on 23 April 1968. They replaced the 1-shilling and 2-shilling coins, respectively.
A third new decimal coin, the 50-pence piece, was released in October 1969. This coin replaced the 10-shilling note.
These early releases allowed people to get used to decimal currency before the official changeover.
Save Our Sixpence
The sixpence was a very popular coin, and many people were upset when it was considered for removal after decimalisation.

In 1969 and 1970, public opinion ran high, with a large and vocal section of the public opposing its removal.
The government eventually conceded that the sixpence could survive for at least two years after decimalisation, to avoid disrupting preparations for the change.
The sixpence was seen as a handy little coin, and many people couldn't accept the prospect of it being taken out of circulation.
The Decimal Currency Board had advertised the impending demise of the half-crown, but it was the sixpence that sparked the biggest controversy.
The halfpenny and half-crown were both withdrawn before decimalisation, as they clashed in size with newer coins and had no practical purpose after the change.
The sixpence, being worth 2.5p, was seen as a necessary coin for some time after decimalisation, and its removal was met with resistance.
In the end, the sixpence was allowed to continue in circulation for at least two years after decimalisation, a decision that was made to avoid disrupting the transition to the new currency.
How Much Is That in Old Money?

The UK's switch to decimal currency was a big deal, and the government knew it. They launched a massive media campaign to help people understand the change.
The campaign included posters, leaflets, songs, television ads, and conversion tables for shoppers. It was a huge effort to educate the public.
In the months leading up to Decimal Day, the BBC broadcast several television programmes to help people prepare. Decimal Five was a programme for the general public, while New Money Day was designed for children.
The BBC also created a series called Training for D-Day, which was specifically for people whose jobs involved handling cash. They even included conversion tables for people to practice at home.
The government literature included a method called 'decimal fingers', which might have been helpful for some people - although it's not clear if the government officially backed it.
Pound Starts Storm
The introduction of decimal currency in the UK was met with a mix of reactions, with some people welcoming the change and others fiercely opposing it.

The Chancellor's statement sparked broad acceptance of the principle of decimalisation, but the choice of system was where controversy emerged.
Most retail associations and consumer groups favoured ten shillings as the major unit, arguing it fit better with existing coins and offered greater protection against price rises.
The government's decision to maintain the pound as the major unit was fiercely challenged, but ultimately confirmed by the Decimal Currency Act of 1967.
The Act specified that the minor units would be called new pence rather than foreign-sounding cents, providing a clear and familiar system for everyday transactions.
The decision to keep the pound intact avoided a disconcerting break in continuity, maintaining a familiar point of reference for the public.
Transition and Beyond
Australia's decimalisation process was monitored by other countries, including New Zealand and Britain, which switched to decimal currency in 1967 and 1971 respectively.
The Decimal Currency Board played a crucial role in facilitating the transition from the existing currency, established by the Act of 1967, with overall supervision of the change-over.
The Board's strategy was to reduce the changes left until D Day itself, making the transition as smooth as possible. This involved providing information, guidance, and advice to those affected, as well as promoting arrangements for equipment adaptation or replacement.
Beyond

The Decimal Currency Board was responsible for supervising the change-over to the new currency, and its strategy was to reduce the changes left until Decimal Day itself.
The Board's duties included providing information, guidance, and advice, as well as promoting arrangements for the adaptation or replacement of equipment.
It was only towards the end of the preparatory period that the Board targeted the general public, launching one of the most intensive publicity campaigns ever directed at the people of Britain.
By August 1970, preparations for Decimal Day were well on course, with conversion of business machines and computers largely complete or in firm planning.
The Royal Mint had produced hundreds of millions of the new coins, and the stockpile of decimal bronze coins was virtually finished.
The Decimal Currency Board attempted to deliver a booklet to every household in the country, though its arrangements were somewhat hampered by a postal strike.

No fewer than twenty million booklets were eventually distributed, and the Board also used advertisements in the press and on television to win over the hearts and minds of the British public.
Decimal Day arrived, and with it came the new halfpenny, 1-pence and 2-pence coins, though there were some complaints about shops raising prices by rounding up to the nearest pence.
The sixpence coin remained legal tender for a further nine years, until June 1980, due to popular demand.
The success of the conversion paved the way for metrification in the early 1970s, which simplified and modernised our weights and measures.
Australia's decimalisation process was monitored by other countries such as New Zealand and Britain, which switched to decimal currency in 1967 and 1971 respectively.
The British government set up the Committee of Inquiry on Decimal Currency in 1961, which reported in 1963 and recommended that Britain adopt decimal currency.
The Decimal Currency Act was passed in May 1969, and the Decimal Currency Board was established to supervise the change-over.
Economic Change

In Australia, a significant economic change occurred with the switch to decimal currency. This decision was made after decades of consideration, with the Menzies government finally recognizing the importance of conversion in the late 1950s.
The Australian pound was divided into 20 shillings of 12 pence each, making financial transactions unnecessarily difficult. This complexity was a major reason for the switch to decimal currency.
Research showed that decimalisation would save the Australian economy more than £11 million a year, which would quickly offset the £30 million cost of conversion.
Enter the 50p
The 50p coin was a game-changer, marking a significant milestone in the transition to decimal currency. It was introduced in October 1969, joining the 5p and 10p coins in circulation.
Its design was suggested by H. G. Conway, a member of the Decimal Currency Board, and featured the Royal Arms in an arrangement by Christopher Ironside. The coin's unusual shape, an equilateral curve heptagon, was revolutionary for coinage, making it distinctive and functional in vending machines.
The 50p coin quickly gained popularity, replacing the ten-shilling note, which had an active life of only four or five months. This made its production, circulation, withdrawal, and destruction an expensive operation for the Bank of England.
Comes and Goes

The transition to decimal trading in the UK was a smooth one, with the public assisted by prominent displays of old and new prices.
D Day, the day of the switch, went so well that it wasn't even the main story in many national newspapers the next day.
The only criticism was that the ½p coin was too small and traders had taken the opportunity to increase prices.
The change was so successful that old pennies and threepenny bits had all but disappeared within a couple of weeks.
The transitional period was brought to an end on 31 August 1971, months ahead of schedule.
People were soon wondering what all the fuss had been about, and the change was largely seen as a quiet revolution.
Sources
- https://www.historic-uk.com/HistoryUK/HistoryofBritain/Decimalisation-in-Britain/
- https://www.natwestgroup.com/heritage/subjects/decimalisation.html
- https://www.nma.gov.au/defining-moments/resources/decimal-currency
- https://www.bbc.com/articles/c7224g3gjm6o
- https://www.royalmintmuseum.org.uk/journal/history/decimalisation/
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