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Mach (20°C, 1 atm) (Ma)
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31 conversions shown
To m/s (at 20°C): × 343.6. To km/h (at 20°C): × 1,237. Note: changes with altitude and temperature.
Mach = velocity ÷ speed_of_sound. At 20°C: Mach 1 = 343.6 m/s. Speed of sound = √(γRT/M) where γ = heat capacity ratio.
For example, 1 Mach (20°C, 1 atm) (Ma) = 0.2135031417 Mile per Second (mi/s).
| Mach (20°C, 1 atm) (Ma) | Mile per Second (mi/s) |
|---|---|
| 0.001 | 0.0002135031417 |
| 0.01 | 0.002135031417 |
| 0.1 | 0.02135031417 |
| 0.5 | 0.1067515708 |
| 1 | 0.2135031417 |
| 2 | 0.4270062833 |
| 5 | 1.067515708 |
| 10 | 2.135031417 |
| 15 | 3.202547125 |
| 25 | 5.337578541 |
| 50 | 10.67515708 |
| 75 | 16.01273562 |
| 100 | 21.35031417 |
| 250 | 53.37578541 |
| 500 | 106.7515708 |
| 750 | 160.1273562 |
| 1000 | 213.5031417 |




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