The knot is a unit of speed equal to one nautical mile per hour, approximately 1.151 mph. Therefore, 18 knots = 18 x 1.151 = 20.718 mph
150 km/h is approximately 81 knots.
34.75 knots
About 9.6 knots.
130 knots , 150 mph
For a fairly new helicopter, around 120 knots. Around 150 mph, except for fast military helicopters.
32 knots =34.4
Some fast ferries around the world do over 30 knots.
105 knots is 120.832 mph
35 knots is 40.2773 mph
441 knots = 507.5 mph
55 knots is 101.86km/h
382 knots = 439.6 mph