Mach Number
Mach number, abbreviated as Ma or M, a dimensionless number, is the ratio of the velocity of flow to the velocity of sound. The speed of sound in this equation is dependent on the density of the medium that the sound is traveling through. For example, the speed of sound through a solid object like a railroad track is much faster than the speed of sound through air at standard conditions.
Mach Number Calculator
Formulas that use Mach Number
Where:\(\large{ Ma }\) = Mach number \(\large{ a }\) = speed of sound \(\large{ v }\) = velocity, speed of object

Mach Number Conversion table
Mach Number Conversion Table  

Multiply  By  To Get 
9.646x10^{7}  feet per day  
4.0192x10^{5}  feet per hour  
66,986  feet per minute, fpm  
1,116  feet per second, fps  
1,225  kilometers per hour  
2.94x10^{7}  meters per day  
1.225x10^{6}  meters per hour  
20,417  meters per minute  
340.29  meters per second  
761  miles per hour, mph 