Tag Archives: US

An anniversary for the US Metric Conversion Act

The 1975 Metric Conversion Act (MCA) was signed into law by President Gerald Ford on December 23, 1975. To mark the 40th anniversary of this event, Ronnie Cohen looks at the introduction of the Act and its effect on metrication … Continue reading

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How US labelling requirements undermine honest labelling in the UK

On EU product labels, metric units are mandatory whereas non-metric units are optional. On US product labels, both metric and US customary (USC) units are mandatory for most products. So a company that wants to sell a product in the EU … Continue reading

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US customary measures: friend or foe of British traditionalists?

In the early years of the twentieth century, both US customary (USC) and metric measures were seen by some in Britain as threats to the survival of the Imperial system. The end of Empire saw metric supplant Imperial, while USC … Continue reading

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