Enter the value in speeds of sound to get the conversion into mach (speeds of sound):

The speed of sound depends on the medium in which one is located, and approaches 340 meters per second. The Mach number is a dimensionless number expressing the ratio of an object's speed to the speed of sound. Thus, one goes at Mach 1 when moving at the speed of sound, at Mach 2 when going twice as fast, etc.