# Convert Kilometres Per Hour to Speed Of Sound In Air

### Kyle's Converter > Speed Or Velocity > Kilometres Per Hour > Kilometres Per Hour to Speed Of Sound In Air

 Kilometres Per Hour (km/h) Speed Of Sound In Air (s)* Precision: 0 1 2 3 4 5 6 7 8 9 12 15 18
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Speed Of Sound In Air to Kilometres Per Hour
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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 Speed of Sound in Air:
In SI units the speed of sound in air at 20°C and 60% relative humidity is approximately 344 meters per second. This varies slightly from a typical approximation of mach number (340.29 meters per second).

Conversions Table
1 Kilometres Per Hour to Speed Of Sound In Air = 0.000870 Kilometres Per Hour to Speed Of Sound In Air = 0.0565
2 Kilometres Per Hour to Speed Of Sound In Air = 0.001680 Kilometres Per Hour to Speed Of Sound In Air = 0.0646
3 Kilometres Per Hour to Speed Of Sound In Air = 0.002490 Kilometres Per Hour to Speed Of Sound In Air = 0.0727
4 Kilometres Per Hour to Speed Of Sound In Air = 0.0032100 Kilometres Per Hour to Speed Of Sound In Air = 0.0807
5 Kilometres Per Hour to Speed Of Sound In Air = 0.004200 Kilometres Per Hour to Speed Of Sound In Air = 0.1615
6 Kilometres Per Hour to Speed Of Sound In Air = 0.0048300 Kilometres Per Hour to Speed Of Sound In Air = 0.2422
7 Kilometres Per Hour to Speed Of Sound In Air = 0.0057400 Kilometres Per Hour to Speed Of Sound In Air = 0.323
8 Kilometres Per Hour to Speed Of Sound In Air = 0.0065500 Kilometres Per Hour to Speed Of Sound In Air = 0.4037
9 Kilometres Per Hour to Speed Of Sound In Air = 0.0073600 Kilometres Per Hour to Speed Of Sound In Air = 0.4845
10 Kilometres Per Hour to Speed Of Sound In Air = 0.0081800 Kilometres Per Hour to Speed Of Sound In Air = 0.646
20 Kilometres Per Hour to Speed Of Sound In Air = 0.0161900 Kilometres Per Hour to Speed Of Sound In Air = 0.7267
30 Kilometres Per Hour to Speed Of Sound In Air = 0.02421,000 Kilometres Per Hour to Speed Of Sound In Air = 0.8075
40 Kilometres Per Hour to Speed Of Sound In Air = 0.032310,000 Kilometres Per Hour to Speed Of Sound In Air = 8.0749
50 Kilometres Per Hour to Speed Of Sound In Air = 0.0404100,000 Kilometres Per Hour to Speed Of Sound In Air = 80.7494
60 Kilometres Per Hour to Speed Of Sound In Air = 0.04841,000,000 Kilometres Per Hour to Speed Of Sound In Air = 807.4935