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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) = 20.616 Kilometer per Minute (km/min).
| Mach (20°C, 1 atm) (Ma) | Kilometer per Minute (km/min) |
|---|---|
| 0.001 | 0.020616 |
| 0.01 | 0.20616 |
| 0.1 | 2.0616 |
| 0.5 | 10.308 |
| 1 | 20.616 |
| 2 | 41.232 |
| 5 | 103.08 |
| 10 | 206.16 |
| 15 | 309.24 |
| 25 | 515.4 |
| 50 | 1030.8 |
| 75 | 1546.2 |
| 100 | 2061.6 |
| 250 | 5154 |
| 500 | 10308 |
| 750 | 15462 |
| 1000 | 20616 |




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