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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) = 20616000 Millimeter per Minute (mm/min).
| Mach (20°C, 1 atm) (Ma) | Millimeter per Minute (mm/min) |
|---|---|
| 0.001 | 20616 |
| 0.01 | 206160 |
| 0.1 | 2061600 |
| 0.5 | 10308000 |
| 1 | 20616000 |
| 2 | 41232000 |
| 5 | 103080000 |
| 10 | 206160000 |
| 15 | 309240000 |
| 25 | 515400000 |
| 50 | 1030800000 |
| 75 | 1546200000 |
| 100 | 2061600000 |
| 250 | 5154000000 |
| 500 | 10308000000 |
| 750 | 15462000000 |
| 1000 | 20616000000 |




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