Shown below are logos used to publicize the metric transition in various countries.
Can you identify who (or what) used each logo? Click “Hint” if you want one; click “Answer” to find out. (A global hint: Most of them are from the 1970s, when most British Commonwealth nations changed from the imperial system of units to the metric system.)
Hint
This South American country expected to replace its imperial-based weights and measures legislation by a metric act in the early 1980s.
Answer
This logo of the Guyana Metrication Board appeared on several postage stamps issued on .
Hint
This logo appeared on a 60p postage stamp that said, 21/2 centimetres (cm) are approximately one inch. A metre (m) of cloth will be a little more than 3 foot 3″.
It appeared in various colors on other stamp denominations that featured additional metric units.
Answer
This logo publicized Ghana’s metrication.
Hint
This logo shows the Ha’amonga Trilithon, a 5-metre-high structure built 800 years ago from three pieces of solid coral, each weighing an estimated 40 metric tons.
Answer
This was the logo of the Tongan Metrication Committee.
Hint
This country completed its metric conversion three years ahead of schedule in spite of its lack of a standards organization, trade associations, or trade unions through which to operate and its dependence on overseas goods and materials.
Answer
This was the logo of the Papua New Guinea Metric Conversion Commission.
Hint
A poster introducing this logo said, Lukluk fo disfala saen an lanem oloketa mita, oloketa lita an oloketa kilogram.
Answer
This is the logo for the Solomon Islands Metrication Committee. The quote in the hint means, ‘Look for the sign and learn about metres, litres, and kilograms.’
Hint
This was a three-year project that ultimately led to the Metric Conversion Act of 1975.
Answer
This was the logo associated with the US Metric Study. Commissioned by the Metric Study Act of 1968, the study was conducted by the National Bureau of Standards (now NIST) and completed in with a report to Congress titled A Metric America: A Decision Whose Time Has Come, consisting of a main report plus 12 supporting volumes totalling about 2300 pages.
Hint
This organization had a role similar to the US Metric Board, but in another European country.
Answer
This is the logo for the British Metrication Board, active from 1969 to 1980.
Hint
This large nation in Africa competed its metrication in a timely fashion.
Answer
This is the logo for metrication in South Africa, whose Metrication Advisory Board completed its work in 1977.
Hint
This English-speaking island nation was a strong advocate of metrication.
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This is the logo for metrication in New Zealand, whose Metric Advisory Board existed from 1969 to 1981.
Hint
This country in southern Africa was a leader in metrication in the 1970s.
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This is the logo for metrication in Rhodesia (now known as Zimbabwe)
Hint
The “Z” in this logo is a key to the African country involved.
Answer
This is the logo for metrication in Zambia.
Hint
The Union Jack makes the country of this logo easy to identify.
Answer
This is the logo/symbol for British metric products.
Hint
This X cross-section of this logo, from a former metre bar standard, gives no clue to the European nation which adopted it.
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This is the logo for metrication in Ireland.
Hint
The outline of this nation is seen in its metrication logo.
Answer
This is the logo for metrication in Australia, whose Metric Conversion Board existed from 1970 to 1981.
Hint
The country still strugles with metrication due to its proximity to the US.
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This is the logo for metrication in Canada, used by Metric Commission Canada (MCC) from 1971 to 1980.
Hint
This logo with embedded “10”s comes from a small Asian nation which completed its metric transition in the early 1980s.
Answer
This is the logo for metrication in Singapore.
Hint
This organization had a role similar to the US Metric Board, but in a Caribbean island nation.
Answer
This is the logo for the Jamaica Metrication Board, which completed its work in 1996.
Hint
This organization was responsible for US government metrication until 1982.
Answer
This is the logo for the US Metric Board (USMB) which existed from 1976 to 1982.
Hint
This organization coordinated US industry metrication until recently.
Answer
This is an early logo for the American National Metric Council (ANMC) which formed in 1973.
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