# Convert Mach to Miles per Hour

How many miles per hour are in a Mach? Easy mach to mph conversion.From

To

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Mach 1 ≈

741.09699 Miles per Hour

result rounded

Decimal places

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 meters per second.
Miles per Hour

A mile per hour is a unit of speed commonly used in the United States. It is equal to exactly 1.609344 kilometers per hour.Common abbreviations: mph, mi/h