this post was submitted on 09 Aug 2023
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submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
 
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[–] [email protected] 2 points 1 year ago (2 children)

That's for feet only, how about the other measurements? Each person feet also different with each other, it's kinda weird to just assume children length of their feet is the same with adult's.

IIRC 1 metre originally is a length choosen so that Earth circumference is 40000km, the later definition is more stable standardization, because turn out you can't get precise lengths doing that.

[–] [email protected] 1 points 1 year ago* (last edited 1 year ago)

For a person's foot to measure exactly 12 inches long, they would wear a US size 14 men's shoe. Size 47 for the Europeans. So "spproximately the size of a foot" is pretty far off anyway. Most people don't wear size 14 shoes. In fact, people who wear size 14 shoes often have a lot of trouble buying shoes.