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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) = 1127.296588 Foot per Second (ft/s).
| Mach (20°C, 1 atm) (Ma) | Foot per Second (ft/s) |
|---|---|
| 0.001 | 1.127296588 |
| 0.01 | 11.27296588 |
| 0.1 | 112.7296588 |
| 0.5 | 563.648294 |
| 1 | 1127.296588 |
| 2 | 2254.593176 |
| 5 | 5636.48294 |
| 10 | 11272.96588 |
| 15 | 16909.44882 |
| 25 | 28182.4147 |
| 50 | 56364.8294 |
| 75 | 84547.24409 |
| 100 | 112729.6588 |
| 250 | 281824.147 |
| 500 | 563648.294 |
| 750 | 845472.4409 |
| 1000 | 1127296.588 |




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