21 knots=24.1663684 miles per hour
21 knots is 24.17 mph
21 knots is roughly 25 miles-per-hour.
Miles is the imperial unit of measuring distances. Kilometers or meters is the metric unit. 1 mile is 1.6093 km. So to convert km to miles, we divide by 1.6093. The corresponding distance in miles is 13.048
10 Miles per Hour = 8.68976241900648 Knots
11 knots=12.6585739 miles per hour
482 Knots is about 554.78 miles per hour.
442 Knots is 508.6 miles per hour.
24 knots is about 27.6 miles per hour.
11.3 knots = 13.004 mph
320 knots = 368.25 mph
60 knots = 69.047 mph
340 knots = 391.265 mph