Mach Converter
Convert Mach (at 343 m/s) (Mach) to other units, with every conversion from 1 Mach listed.
Change the values and press Calculate to work out your own figures.
Enter a speed, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 Mach = 34300 cm/s
- 1 × 34300 = 34300 cm/s
1 Mach in other units
| Conversion | 1 Mach equals |
|---|---|
| Mach to centimeters per second | 34,300 cm/s |
| Mach to feet per second | 1,125.32808399 ft/s |
| Mach to kilometers per hour | 1,234.8 km/h |
| Mach to kilometers per second | 0.343 km/s |
| Mach to knots | 666.738660907 kn |
| Mach to meters per second | 343 m/s |
| Mach to miles per hour | 767.269148175 mph |
| Mach to speed of light | 1.14412484653 × 10⁻⁶ c |
About the units
- Mach (Mach)
- Mach (at 343 m/s), a specialised unit. Mach 1 is the local speed of sound, which depends on air temperature; this converter uses 343 m/s (dry air at 20 °C). In the standard sea-level atmosphere (15 °C) it is 340.3 m/s. Definition: Speed of sound in dry air at 20 °C: 343 m/s (NASA Glenn Research Center).