Mile per hour to mach number converter (mph to mach)

You can provide values below to convert Mile per hour to mach number (mph to mach) or you can reverse the conversion.

Value to convert

Result

How to Convert Mile per hour to Mach number

1 mph = 0.001303 mach

Understand the base relationship:
1 Mile per hour = 0.447040 meters per second
1 Mach number = 343.200 meters per second
Establish the conversion factor:
1 mph = (0.447040 m/s) / (343.200 m/s/mach) = 0.001303 mach
Apply the conversion:
Multiply the value in mph by 0.001303 to get the equivalent in mach

Convert 5 mph to mach:

5 mph × 0.001303 = 0.006513 mach