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Speed Units Conversion
Speed (symbol: v) is the rate of motion, or equivalently the rate of change of position, expressed as distance d moved per unit of time t. Speed is a scalar quantity with dimensions distance/time; the equivalent vector quantity to speed is known as velocity. Speed is measured in the same physical units of measurement as velocity, but does not contain the element of direction that velocity has. Speed is thus the magnitude component of velocity.
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Mach number is the speed of an object moving through air, or any fluid substance, divided by the speed of sound as it is in that substance.
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Kilometres per hour (American English: kilometers per hour) is a unit of both speed (scalar) and velocity (vector). The unit symbol is km/h or km·h-1. The incorrect abbreviations "kph" and "kmph" are sometimes also seen in English-speaking countries, in analogy to mph. In North American slang and military usage, km/h (as well as km) is commonly pronounced, and sometimes even written, as klicks or kays (K's).
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Convert from Nautical mach
kilometer per hour (km/h)
kilometer per second (km/s)
centimeter per second (cm/s)
meter per second (m/s)
millimeter per second (mm/s)
foot per minute (ft/min)
mile per hour (mph)
mile per second (mps)
foot per second (ft/s)
inch per second (in/s)
knot (kn)
mach
minute per kilometer
second per kilometer
second per 100 metres
minute per mile
second per mile
second per 100 yards
speed of light (vacuum)
speed of sound (air)
Value
...calculating...
Format result
0 decimals
1 decimals
2 decimals
3 decimals
4 decimals
5 decimals
6 decimals
7 decimals
1 mach is equal to:
Metric
kilometer per hour
1225.044
kilometer per second
0.3403
centimeter per second
34029
meter per second
340.29
millimeter per second
340290
British and U.S.
foot per minute
66986.2205
mile per hour
761.2071
mile per second
0.2114
foot per second
1116.437
inch per second
13397.2441
Nautical
knot
661.4708
mach
1
For runners and joggers
minute per kilometer
0.049
second per kilometer
2.9387
second per 100 metres
0.2939
minute per mile
0.0788
second per mile
4.7293
second per 100 yards
0.2687
Other
speed of light (vacuum)
1.1351 x 10
-06
speed of sound (air)
1
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