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# Velocity Converter

## Convert between speed and velocity units like m/s, km/h, knots, mph and ft/s.

Speed is the ratio of covered distance to time and can expressed as

v = s / t                                      (1)

where

v = velocity (m/s, km/h, mph ..)

s = distance traveled (m, km, miles ..)

t = time taken (s, hours ...)

The table below can be used to convert between common speed and velocity units:

Speed
Meter per second
(m/s)
Kilometer per hour
(km/h)
Nautical mile per hour
(knots)
Miles per hour
(mph)
Feet per second
(ft/s)
1.0 3.6 1.9 2.2 3.3
2.0 7.2 3.9 4.5 6.6
3.0 10.8 5.8 6.7 9.8
4.0 14.4 7.8 8.9 13.1
5.0 18.0 9.7 11.2 16.4
6.0 21.6 11.7 13.4 19.7
7.0 25.2 13.6 15.7 23.0
8.0 28.8 15.6 17.9 26.2
9.0 32.4 17.5 20.1 29.5
10.0 36.0 19.4 22.4 32.8
11.0 39.6 21.4 24.6 36.1
12.0 43.2 23.3 26.8 39.4
13.0 46.8 25.3 29.1 42.7
14.0 50.4 27.2 31.3 45.9
15.0 54.0 29.2 33.6 49.2
16.0 57.6 31.1 35.8 52.5
17.0 61.2 33.0 38.0 55.8
18.0 64.8 35.0 40.3 59.1
19.0 68.4 36.9 42.5 62.3
20.0 72.0 38.9 44.7 65.6
21.0 75.6 40.8 47.0 68.9
22.0 79.2 42.8 49.2 72.2
23.0 82.8 44.7 51.5 75.5
24.0 86.4 46.7 53.7 78.7
25.0 90.0 48.6 55.9 82.0
26.0 93.6 50.5 58.2 85.3
27.0 97.2 52.5 60.4 88.6
28.0 100.8 54.4 62.6 91.9
29.0 104.4 56.4 64.9 95.1
30.0 108.0 58.3 67.1 98.4
31.0 111.6 60.3 69.3 101.7
32.0 115.2 62.2 71.6 105.0
33.0 118.8 64.2 73.8 108.3
34.0 122.4 66.1 76.1 111.5
35.0 126.0 68.0 78.3 114.8
36.0 129.6 70.0 80.5 118.1
37.0 133.2 71.9 82.8 121.4
38.0 136.8 73.9 85.0 124.7
39.0 140.4 75.8 87.2 128.0
40.0 144.0 77.8 89.5 131.2
41.0 147.6 79.7 91.7 134.5
42.0 151.2 81.6 94.0 137.8
43.0 154.8 83.6 96.2 141.1
44.0 158.4 85.5 98.4 144.4
45.0 162.0 87.5 100.7 147.6
46.0 165.6 89.4 102.9 150.9
47.0 169.2 91.4 105.1 154.2
48.0 172.8 93.3 107.4 157.5
49.0 176.4 95.3 109.6 160.8
50.0 180.0 97.2 111.9

164.0

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Temperature

oC
oF

Length

m
km
in
ft
yards
miles
naut miles

Area

m2
km2
in2
ft2
miles2
acres

Volume

m3
liters
in3
ft3
us gal

Weight

kgf
N
lbf

Velocity

m/s
km/h
ft/min
ft/s
mph
knots

Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O

Flow

m3/s
m3/h
US gpm
cfm

3 10