@Tjalve So do I, although we have come more than half way already: most products these days have the weight or volume noted in both avoirdupois and metric systems, and since carbonated drinks are regularly sold in "two-liter bottles", everyone knows how much a liter is, whether they realize it or not. Also, a "fifth" of alcohol is exactly 750ml now, and not one fifth of a gallon (757.48ml) like it used to be; footraces are measured in meters and kilometers; and any news about science usually gives measurements in both system (usually metric first, then avoirdupois in parentheses); and anyone who works with machinery has a set of tools in both systems, because so much of our machinery is made overseas.
So we're getting there inch by inch , and it's better to let it seep in a little at a time rather than trying to change from the top down. We're somewhere in the Star Trek universe mentality right now, where you might hear this line: "The alien vessel is approaching, and is now at a distance of approximately 500 kilometers. . . Wow, look at the size of that thing, it must be a hundred miles wide!"
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@Tjalve So do I, although we have come more than half way already: most products these days have the weight or volume noted in both avoirdupois and metric systems, and since carbonated drinks are regularly sold in "two-liter bottles", everyone knows how much a liter is, whether they realize it or not. Also, a "fifth" of alcohol is exactly 750ml now, and not one fifth of a gallon (757.48ml) like it used to be; footraces are measured in meters and kilometers; and any news about science usually gives measurements in both system (usually metric first, then avoirdupois in parentheses); and anyone who works with machinery has a set of tools in both systems, because so much of our machinery is made overseas.
So we're getting there inch by inch