Quote:
Originally Posted by Sailor Steve
And that's one of the weirdest things in maritime history. Originally a nautical mile as accepted as 2000 yards, but in 1929 the standard was established as exactly 1852 meters, or 2,025.372 yards, or 6,076.1155 feet.
So oddly enough, a nautical mile really is metric.

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Unfortunately you're right... in a way... you know... you cheat and such... and I hate you... again.
I was sure - though I didn't rethink that thoroughly - that 1 naval mile is defined as 1 minute of latitude on equator, which would make it a non-metric value, thus making also knots non-metric... But I was wrong.