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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) = 1.164562591 Mach (SI Standard) (Ma (SI)).
| Mach (20°C, 1 atm) (Ma) | Mach (SI Standard) (Ma (SI)) |
|---|---|
| 0.001 | 0.001164562591 |
| 0.01 | 0.01164562591 |
| 0.1 | 0.1164562591 |
| 0.5 | 0.5822812954 |
| 1 | 1.164562591 |
| 2 | 2.329125182 |
| 5 | 5.822812954 |
| 10 | 11.64562591 |
| 15 | 17.46843886 |
| 25 | 29.11406477 |
| 50 | 58.22812954 |
| 75 | 87.34219431 |
| 100 | 116.4562591 |
| 250 | 291.1406477 |
| 500 | 582.2812954 |
| 750 | 873.4219431 |
| 1000 | 1164.562591 |




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