# Mach Conversions

### From

### To

swap units ↺

### Amount

### Result

1 Mach =

741.096994 Miles per Hour

(rounded to 6 decimal places)

### Display Result As

Mach

Mach is the ratio of an object's speed to the speed of sound. For example, something traveling at Mach 5 is traveling at 5 times the speed of sound.

The speed of sound varies depending on many factors. In dry air, at 0 degrees celsius, the speed of sound is about 331.3 m/s.

Miles per Hour

A mile per hour is a unit of speed commonly used in the United States.

It is equal to to exactly 1.609344 kilometers per hour.