The knot is a unit of speed equal to one nautical mile per hour, approximately 1.151 mph. Thus, 429 knots is 429 x 1.151 = 493.779 mph
425 knots is 489.081 mph
About 471.8 mph
608.35 mph
Fast
205 knots = 235.91 mph
210 knots = 388.92 km/h
482 Knots is about 554.78 miles per hour.
8 knots is about 9.2 mph.
34.75 knots
About 9.6 knots.
Fast
32 knots =34.4
Some fast ferries around the world do over 30 knots.
105 knots is 120.832 mph
22 knots = 25.3171479 mph
17 knots = 19.56 mph
35 knots is 40.2773 mph
441 knots = 507.5 mph
55 knots is 101.86km/h
382 knots = 439.6 mph