Report on Going Metric: How? Why? When?

During the late 1960s and 1970s, British industry embarked on one of the most significant technical transitions in its modern history: the move from imperial to metric units. This shift—often described simply as “going metric”—was not a sudden revolution but a carefully staged programme of industrial modernisation. The materials reproduced in the “Going Metric: Industry is changing to the metric system of Weights & Measures. How? Why? When?” report, originally issued by the Ministry of Technology and the British Standards Institution, reveal a campaign that was both practical and persuasive. It aimed to explain the logic of metrication, prepare engineers and designers for new working methods, and reassure the public that the change would be orderly, beneficial, and internationally aligned.

What emerges from the report is a clear narrative: metrication was not merely a change in units, but a strategic response to globalisation, industrial efficiency, and the need for standardisation across sectors. This report synthesises that historical material to provide a coherent account of how industry was expected to change, why the change was considered essential, and when the transition was planned to occur.

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British Exceptionalism and the Long, Strange Story of UK Metrication

Few policy areas reveal the UK’s distinctive relationship with European integration as clearly as measurement. Metrication — a technical, administrative reform everywhere else — became a cultural battleground, a sovereignty symbol and ultimately a microcosm of British exceptionalism in the UK.

This article traces how the UK’s wider pattern of exceptionalism inside Europe shaped, distorted, and ultimately stalled the UK’s metrication journey. It shows why the UK ended up with a uniquely very British measurement mess, why road sign units are predominantly imperial and why pints remain politically untouchable. And it explains how a seemingly mundane reform became entangled with national identity, Euroscepticism, and the story that culminated in Brexit.

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Digital Measuring Devices (Part 2)

In Part 1 of this article, we saw that one of the basic methods by which a digital measuring device operated was the conversion of an analogue signal (often a voltage or an electric current) into a set of digital bits. The number of bits determined the precision with which the device could take a measurement. The article went on to describe the workings of a digital thermometer and how domestic-quality thermometers are often designed around the use of degrees Celsius with displays in degrees Fahrenheit being an add-on where the Fahrenheit display is calculated from the equivalent Celsius measurement.

In this article we will look at how digital weighing devices work.

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Digital Measuring Devices (Part 1)

In this two-part series, Martin Vlietstra will be looking at how digitisation is applied to measuring devices:  In Part 1, he will examine what “digitisation” is and explain how it is applied to thermometers. In Part 2, he will look at how it is applied to weighing devices.

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Australia’s successful metrication strategy

There is much to be learned from Australia’s highly successful 1970s metrication programme. In a previous Metric Views article, we looked at two information leaflets produced by Australia’s Metric Conversion Board; Temperature and Pressure go Metric and Motoring goes Metric. Both leaflets were part of intensive public information campaigns in the lead up to “M-days” for weather forecasting and motoring – specific days on which official measurement units switched from the old units to modern metric units.

In this article, we take a look at another of their leaflets, Think Metric – It’s Easy.

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Cyprus shows how metrication should be done

John Frewen-Lord tells us about his experiences of living in Cyprus and how they completed metrication successfully, unlike the UK.

If any of you watch TV’s ‘A Place in the Sun’ then no doubt you will have seen Cyprus feature fairly regularly as one of the destinations that offer lots of sunshine combined with a Mediterranean lifestyle. My wife and I, in our twilight years, decided to take the plunge, and join roughly 150 000 other British expats in moving to the Greek side of the island, doing so last year (2025). We now have official Cyprus residency. [What follows relates only to the Greek part of Cyprus, with about 80% of the total population. The island was invaded by Turkey in 1974, and the Turkish side, about one-third of the island and not officially recognised by any country except Turkey, can be a bit problematical in terms of exiting back to the Greek side, and therefore remains more-or-less ‘off-limits’ as far as non-Cypriot expats are concerned.]

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What role did the BBC play in the UK’s transition to the metric system in the 1970s?

It may come as a surprise to many readers that, 50 years ago, the BBC had an Inter-divisional Metrication Committee. It’s precise remit is not clear, but in 1976 it published a 68-page booklet with the intriguing title, Metrication – A Producer’s Guide.

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Media blast from the past

In the early years of the Metrication Programme, which began in 1965, the press was not hostile to metrication. They published articles that sounded supportive or neutral. It was only a couple of decades later when metrication progress ran out of steam and the consensus on metrication broke down in the 1980’s that the press turned against metrication. Here we look at some of the earlier and later newspaper articles that reflect the changing attitudes to metrication in the UK.

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Why UK Metrication Programme failed according to AI

I consulted Microsoft Copilot to ask its opinion on the reason for the failure of the UK Metrication Programme. I asked it, “The UK started the Metrication Programme in 1965 and planned to complete metrication in 10 years. Why has the UK failed to complete its transition to the metric system? What went wrong?”. It gave great insights into the factors that caused the UK to fail. Its response, with AI formatting and emphasis, is reproduced below.

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Richmond Project

Last year (Saturday 1 March 2025), The Times devoted a page to the Richmond Project, a charity that is being set up by the former prime minister Rishi Sunak and his wife Akshata Murty. The project’s purpose is the improvement of numeracy. Such a project poses quite a challenge. On 12 January 2026, the Sunaks were interviewed on the BBC Breakfast program about the progress of the project.

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