3.47590496 knots = 4 mph
4 knots is equivalent to approximately 4.6 miles per hour.
17 knots=19.56 mph
About 46 mph
11 knots = 12.65 mph
1,040 mph = 903.73 knots
356 mph = 309.35 knots.
317 mph = 275.5 knots
74 knots is 85.1577 MPH
16.6 knots is about 19.1 mph
1.5 knots = 1.7 mph
437 knots = 502.9 mph
4.603 mph