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post #3 of Old 11-29-2002
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knots versus mph

A nautical mile is 1/60th of the length of a degree (or one second) of a great circle of the earth.

The nautical mile is often miscalled "Knot". A knot is a not a measure of distance, but a measure of speed equal to one nautical mile per hour. The admiralty knot is equal to 6080 feet per hour. Therefore a knot is 6080/5280 = 1.1515151... to a statute mile.

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