Convert Kilometres Per Hour to Mach Number

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Mach Number to Kilometres Per Hour (or just enter a value in the "to" field)

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Unit Descriptions
1 Kilometre per Hour:
Distance of one kilometer or 1 000 meters travelled in the time span of one hour or exactly 3 600 seconds. 1 Kilometer per hour (kph, km/h) = 0.277 777 778 meters per second (SI base unit). 1 km/h = 0.277777778 m/s.
1 Mach Number:
The ratio of the speed of an object moving through a fluid to the speed of sound in the same fluid. Under standard conditions at sea level this is roughly 340.29 meters per second for travel through air.

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Conversions Table
1 Kilometres Per Hour to Mach Number = 0.000870 Kilometres Per Hour to Mach Number = 0.0571
2 Kilometres Per Hour to Mach Number = 0.001680 Kilometres Per Hour to Mach Number = 0.0653
3 Kilometres Per Hour to Mach Number = 0.002490 Kilometres Per Hour to Mach Number = 0.0735
4 Kilometres Per Hour to Mach Number = 0.0033100 Kilometres Per Hour to Mach Number = 0.0816
5 Kilometres Per Hour to Mach Number = 0.0041200 Kilometres Per Hour to Mach Number = 0.1633
6 Kilometres Per Hour to Mach Number = 0.0049300 Kilometres Per Hour to Mach Number = 0.2449
7 Kilometres Per Hour to Mach Number = 0.0057400 Kilometres Per Hour to Mach Number = 0.3265
8 Kilometres Per Hour to Mach Number = 0.0065500 Kilometres Per Hour to Mach Number = 0.4081
9 Kilometres Per Hour to Mach Number = 0.0073600 Kilometres Per Hour to Mach Number = 0.4898
10 Kilometres Per Hour to Mach Number = 0.0082800 Kilometres Per Hour to Mach Number = 0.653
20 Kilometres Per Hour to Mach Number = 0.0163900 Kilometres Per Hour to Mach Number = 0.7347
30 Kilometres Per Hour to Mach Number = 0.02451,000 Kilometres Per Hour to Mach Number = 0.8163
40 Kilometres Per Hour to Mach Number = 0.032710,000 Kilometres Per Hour to Mach Number = 8.163
50 Kilometres Per Hour to Mach Number = 0.0408100,000 Kilometres Per Hour to Mach Number = 81.6297
60 Kilometres Per Hour to Mach Number = 0.0491,000,000 Kilometres Per Hour to Mach Number = 816.2972

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