Others have noted Canada as having switched in the 1970's. But even with almost 2 full generation, it is still far from a "metric" country. The examples in the comments talk about km vs miles. And we do buy gas by the litre. But folks in this country (even kids in elementary) will tell you how much they weigh in pounds (not kilograms) and how tall they are in feet and inches (not centimeters) . The "square footage" of the house you live in (not the square meters). Recipes are in cups and teaspoons and we cook at 375F. Coke is in 2 litre bottles - but it is in the US as well.
Other than long distances driving in kilometers and temperature in degrees celsius, 40+ years has not converted the country. And even when we buy gas by the litre and drive in kilometers, NO ONE knows what the hell X l/100KM means - EVERYONE talks "miles per gallon".
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Others have noted Canada as having switched in the 1970's. But even with almost 2 full generation, it is still far from a "metric" country. The examples in the comments talk about km vs miles. And we do buy gas by the litre. But folks in this country (even kids in elementary) will tell you how much they weigh in pounds (not kilograms) and how tall they are in feet and inches (not centimeters) . The "square footage" of the house you live in (not the square meters). Recipes are in cups and teaspoons and we cook at 375F. Coke is in 2 litre bottles - but it is in the US as well. Other than long distances driving in kilometers and temperature in degrees celsius, 40+ years has not converted the country. And even when we buy gas by the litre and drive in kilometers, NO ONE knows what the hell X l/100KM means - EVERYONE talks "miles per gallon".