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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) = 4058267.716 Foot per Hour (ft/h).
| Mach (20°C, 1 atm) (Ma) | Foot per Hour (ft/h) |
|---|---|
| 0.001 | 4058.267716 |
| 0.01 | 40582.67716 |
| 0.1 | 405826.7716 |
| 0.5 | 2029133.858 |
| 1 | 4058267.716 |
| 2 | 8116535.433 |
| 5 | 20291338.58 |
| 10 | 40582677.16 |
| 15 | 60874015.75 |
| 25 | 101456692.9 |
| 50 | 202913385.8 |
| 75 | 304370078.7 |
| 100 | 405826771.6 |
| 250 | 1014566929 |
| 500 | 2029133858 |
| 750 | 3043700787 |
| 1000 | 4058267716 |




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