1 knot = 1.1508 mph, so 22.5 knots = 25.893 mph
30 knots
How fast a boat can travel varies based on the type of boat. Some boats travel at very slow speeds like 3-4 knots, and others at 80+ knots.
24 knots = about 44.45 kph
24 knots is about 27.6 miles per hour.
near 6 miles an Hr
246 knots
Most of the passenger river boat travels at 35 knots per hour.
It would depend on the boat and prop. And boat speed is not measured in mph. It is measured in knots.
34.75 knots
About 9.6 knots.
Fast
32 knots =34.4