|Nautical miles are often used in marine or aeronautical context, but
specify when using nautical miles.
One nautical mile equals 1.15 statute
miles or 1.852 kilometers.
A knot is a measurement unit of speed equivalent
to one nautical mile (1,852 meters) an hour:
a speed of ten knots, not knots an hour or knots per hour
The boat reaches a top speed of 20 knots.
See also MEASURES.