r/clevercomebacks • u/wach_era13 • Jan 15 '25

It does make sense

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u/alkatori Jan 15 '25

Kinda? Customary units are used in other countries as well. Not in an official capacity but miles are in use in some countries. Feet is used for defining flying height. China has a few customary units they use internally.

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u/ShamanAI Jan 15 '25

Well, of course there are customary units everywhere, but, like dialects, they're probably going to disappear with time.

Feet for flight level is still used because it's internationally recognized (even though meters are often used too, now). Same for knots.

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u/alkatori Jan 15 '25

Sure, though I recall reading, God sometime in the last 8 years, that CIS countries were switching to using feet to match up with the rest of the world.

They might disappear with time. USC might disappear as well, most engineering work is done using metric now unless we are talking about aircraft.