475 knots = 546.62 mph
210 knots is 241.6637 miles per hour.
Ships typically travel at 12 to 18 knots, which is nautical miles an hour.
1 knots = 1.15077945 miles per hour, thus:50 x 1.15077945 = 57.5389725 mph
There are 3600 seconds in an hour. Therefore going at 3600 miles per hour is equivalent to 1 miles per second.
About 5.6 miles per hour.
41 Knots is 47.19 miles per hour.
40 knots=46.0311779 miles per hour
36 knots=41.4280601 miles per hour
439 knots=505.192178 miles per hour
29.9202656 mph
287.631 knots.
1 mph = 0.87 knots
450 Knots is 517.95 miles per hour.
14.96 miles per hour.
657.0950374 miles per hour
11.507794 miles per hour.
22.5 knots is 26 (25.8925) miles per hour.