# Convert Miles Per Hour to Mach Number

### Kyle's Converter > Speed Or Velocity > Miles Per Hour > Miles Per Hour to Mach Number

 Miles Per Hour (mph) Mach Number (M)* Precision: 0 1 2 3 4 5 6 7 8 9 12 15 18
Reverse conversion?
Mach Number to Miles Per Hour
(or just enter a value in the "to" field)

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Unit Descriptions
1 Mile per Hour:
A distance of one international mile or 1 760 international yards or exactly 1609.344 meters travelled in one hour or exactly 3 600 seconds. 1 Mile per hour = 1.60934 kilometers per hour = 0.44704 meters per second (SI base unit). 1 mph = 0.447 04 m/s.
1 Mach Number:
The ratio of the speed of an object moving through a fluid to the speed of sound in the same fluid. Under standard conditions at sea level this is roughly 340.29 meters per second for travel through air.

Conversions Table
1 Miles Per Hour to Mach Number = 0.001370 Miles Per Hour to Mach Number = 0.092
2 Miles Per Hour to Mach Number = 0.002680 Miles Per Hour to Mach Number = 0.1051
3 Miles Per Hour to Mach Number = 0.003990 Miles Per Hour to Mach Number = 0.1182
4 Miles Per Hour to Mach Number = 0.0053100 Miles Per Hour to Mach Number = 0.1314
5 Miles Per Hour to Mach Number = 0.0066200 Miles Per Hour to Mach Number = 0.2627
6 Miles Per Hour to Mach Number = 0.0079300 Miles Per Hour to Mach Number = 0.3941
7 Miles Per Hour to Mach Number = 0.0092400 Miles Per Hour to Mach Number = 0.5255
8 Miles Per Hour to Mach Number = 0.0105500 Miles Per Hour to Mach Number = 0.6569
9 Miles Per Hour to Mach Number = 0.0118600 Miles Per Hour to Mach Number = 0.7882
10 Miles Per Hour to Mach Number = 0.0131800 Miles Per Hour to Mach Number = 1.051
20 Miles Per Hour to Mach Number = 0.0263900 Miles Per Hour to Mach Number = 1.1823
30 Miles Per Hour to Mach Number = 0.03941,000 Miles Per Hour to Mach Number = 1.3137
40 Miles Per Hour to Mach Number = 0.052510,000 Miles Per Hour to Mach Number = 13.137
50 Miles Per Hour to Mach Number = 0.0657100,000 Miles Per Hour to Mach Number = 131.3703
60 Miles Per Hour to Mach Number = 0.07881,000,000 Miles Per Hour to Mach Number = 1313.703