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Speed Calculator

First, type the number you wish to convert:
Then click buttons below for desired conversion:
From: cm/sec
 m/sec
 m/min
 km/hr
 ft/sec
 ft/min
 mph
 Knots
To: cm/sec
 m/sec
 m/min
 km/hr
 ft/sec
 ft/min
 mph
 Knots

 

Beaufort  knots  km/h
0 0-1 0-1
1 1-3 1-5
2 4-6 6-11
3 7-10 6-11
4 11-15 12-19
5 16-21 20-28
6 22-27 29-38
7 28-33 39-49
8 34-40 50-61
9 41-47 62-74
10 48-55 75-88
11 56-63 89-117
12 >63 >117

Amended 30/07/03