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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) = 667.4782429 Knot (UK) (kt (UK)).
| Mach (20°C, 1 atm) (Ma) | Knot (UK) (kt (UK)) |
|---|---|
| 0.001 | 0.6674782429 |
| 0.01 | 6.674782429 |
| 0.1 | 66.74782429 |
| 0.5 | 333.7391214 |
| 1 | 667.4782429 |
| 2 | 1334.956486 |
| 5 | 3337.391214 |
| 10 | 6674.782429 |
| 15 | 10012.17364 |
| 25 | 16686.95607 |
| 50 | 33373.91214 |
| 75 | 50060.86821 |
| 100 | 66747.82429 |
| 250 | 166869.5607 |
| 500 | 333739.1214 |
| 750 | 500608.6821 |
| 1000 | 667478.2429 |




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