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.
246 knots
near 6 miles an Hr
Most of the passenger river boat travels at 35 knots per hour.
Five knots is roughly equivalent to 5.8 miles per hour (9.3 kilometers per hour), which is a moderate speed for a riverboat. At this speed, the boat will create some noticeable wake but will not be moving so fast that it becomes difficult to see the surroundings. For a visual representation, you can check out this YouTube clip: Boat Speed at 5 Knots.
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.
32 knots =34.4