Kilometers per Second to Mach Converter
Mach 2.915452
Supersonic
Understanding Speed Classifications
| Classification | Mach Number | Description |
|---|---|---|
| Subsonic | Mach < 1.0 | Below the speed of sound |
| Transonic | Mach = 1.0 | At the speed of sound |
| Supersonic | Mach > 1.0 | Above the speed of sound |
| Hypersonic | Mach > 5.0 | Five times the speed of sound or greater |
How to Convert Kilometers per Second to Mach
To convert from kilometers per second (km/s) to Mach number, multiply the speed by 2.915452. This conversion factor is based on the speed of sound at sea level in standard atmospheric conditions.
Mach = km/s × 2.915452