1 nautical mile is 1.852 kilometres, 1 knot is 1.852kilometres an hour.
It's also very close to 1 minute in lattitude so easy to put on charts. Also time wise,.with 60 to the hour it made calculations easier, anyhoo knots are the only w
ay to talk wind its heritage listed ****. And depth should always be in fathoms. But I digress
