The Mach Number is the ratio of the velocity of flow to the velocity of sound.

Equations

Ma=\frac{V}{a}

Where:

V Velocity \frac{ft}{s} \frac{m}{s}
a Speed of Sound \frac{ft}{s} \frac{m}{s}

Conversion

Multiply the Mach Number By To get
9.646x107 feet per day
4.0192x105 feet per hour
66,986 feet per minute, fpm
1,116 feet per second, fps
1,225 kilometers per hour
2.94x107 meters per day
1.225x106 meters per hour
20,417 meters per minute
340.29 meters per second
761 miles per hour, mph
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