Kilometers per hour (km/h) to Mach (sea-level approx.)
Category: Speed
0.000816
mach
1 kmh = 0.000816 mach
High-precision rounding: 6 decimals
How to convert Kilometers per hour (km/h) to Mach (sea-level approx.)
We convert by pivoting through the SI base unit for Speed and applying exact factors where applicable.
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About Speed
Speed is distance over time; knots and mph coexist with SI.
About Kilometers per hour (km/h)
Kilometers per hour (km/h)
Common for road speeds.
History: Adopted with metrication of traffic signage.
About Mach (sea-level approx.)
Mach
Ratio to local speed of sound.
History: Named after physicist Ernst Mach.
Related conversions from kmh
- kmh → knot Knot (kn)
- kmh → ms Meters per second (m/s)
- kmh → mph Miles per hour (mph)
Related conversions to mach
- knot → mach Knot (kn)
- ms → mach Meters per second (m/s)
- mph → mach Miles per hour (mph)