And, we didn’t forget to include a baking temperature conversion chart. After all, there’s a world of difference between 200 degrees Fahrenheit and 200 degrees Celsius!

Paul Roberts, Lake Cathie Back in the 1970s, the Metric Conversion Board (since subsumed by CSIRO), showing an unexpected sense of humour, stated that converting time would take a "gigawhile".

Anyone who grew up in the 1970s, as John Bemelmans Marciano did, was immersed in talk of abandoning this archaic system and replacing it with the pristine beauty of metric measures.

In 1975, President Gerald Ford signed the Metric Conversion Act into law. It made metric the “preferred” system, though using it was strictly voluntary.

The strongest push in the U.S. actually came at the start of the 20th century, Alexander Graham Bell, and other notables testified at congressional hearings on metric conversion.

From 1976 until 1984, the week of May 10 was National Metric Week. I was in elementary school when Congress passed the Metric Conversion Act of 1975.

In 1975, the United States passed the Metric Conversion Act. The legislation was meant to slowly transition its units of measurement from feet and pounds to meters and kilograms, bringing the US ...