Mach measures speed, velocity, or rotation rate. These units describe motion over distance or repeated turns over time.
Mach to km/s
Express Mach as kilometers per second for astrophysical cases.
Quick conversion chart
Mach to km/s conversions for reference values.
Converting 0.1 Mach into km/s equals 0.034029 km/s.
Converting 0.5 Mach into km/s equals 0.170145 km/s.
Converting 1 Mach into km/s equals 0.34029 km/s.
Converting 2 Mach into km/s equals 0.68058 km/s.
Converting 5 Mach into km/s equals 1.70145 km/s.
Converting 10 Mach into km/s equals 3.4029 km/s.
Converting 20 Mach into km/s equals 6.8058 km/s.
Converting 50 Mach into km/s equals 17.0145 km/s.
Converting 100 Mach into km/s equals 34.029 km/s.
How to convert Mach to km/s
1 Mach = 0.34029 km/s
1 km/s = 2.93867 Mach
Example: convert 15 Mach to km/s
15 x 0.34029 = 5.10435 km/s
Unit definitions
km/s expresses how quickly an object changes position relative to time. Speed and velocity units tell you how fast you are moving across a distance or around a path.
How to convert Mach to km/s
The conversion between mach and km/s uses a fixed multiplication factor. One mach equals 0.34029 km/s.
To convert, multiply the value in mach by 0.34029. To convert in the opposite direction, divide by 0.34029.