Units of Linear Velocity and Factor of their Inter-Conversion


Metric Units British Units

Metre per second
(m/s)
Kilometre per hour
(km/hr)
Nautical mile (int) per hour
(n mile/hr)
Nautical mile (U.K.)
per hour
Mile per hour
(mph)
Foot per second
(ft/s)

1 Metre per second
(m/s)
1 3.6 1.943 84 1.942 60 2.236 94 3.280 84
 
1 Kilometre per hour
(km/hr)
0.277 778 1 0.539 96 0.539 61 0.621 37 0.911 34
 
1 Nautical mile (int) per hour
(n mile/hr)
0.514 44 1.852 1 0.999 36 1.150 78 1.687 81
 
1 Nautical mile (UK) per hour
0.514 77 1.853 184 1.000 64 1 1.151 52 1.688 89
 
1 Mile per hour
(mph)
0.447 04 1.609 344 0.868 98 0.868 42 1 1.466 67
 
1 Foot per second
(ft/s)
0.304 8 1.097 28 0.592 48 0.592 11 0.681 82 1