Convert 42 Miles per Hour to Mach

How fast is 42 miles per hour? What is 42 miles per hour in Mach? 42 mph to mach conversion.
Amount
From
To
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42 Miles per Hour ≈
Mach 0.056672744
result rounded
Decimal places
Result in Plain English
42 miles per hour is equal to about Mach 0.0567.
To a Percentage
42 miles per hour ≈ 5.67% of a Mach.
In Scientific Notation
42 miles per hour
= 4.2 x 101 miles per hour
≈ 5.66727 x 10-2 Mach
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
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 to Mach Conversions
results may be rounded
mph mach
42.00 0.056673
42.01 0.056686
42.02 0.056700
42.03 0.056713
42.04 0.056727
42.05 0.056740
42.06 0.056754
42.07 0.056767
42.08 0.056781
42.09 0.056794
42.10 0.056808
42.11 0.056821
42.12 0.056835
42.13 0.056848
42.14 0.056862
42.15 0.056875
42.16 0.056889
42.17 0.056902
42.18 0.056916
42.19 0.056929
42.20 0.056943
42.21 0.056956
42.22 0.056970
42.23 0.056983
42.24 0.056997
42.25 0.057010
42.26 0.057024
42.27 0.057037
42.28 0.057051
42.29 0.057064
42.30 0.057078
42.31 0.057091
42.32 0.057105
42.33 0.057118
mph mach
42.34 0.057132
42.35 0.057145
42.36 0.057159
42.37 0.057172
42.38 0.057185
42.39 0.057199
42.40 0.057212
42.41 0.057226
42.42 0.057239
42.43 0.057253
42.44 0.057266
42.45 0.057280
42.46 0.057293
42.47 0.057307
42.48 0.057320
42.49 0.057334
42.50 0.057347
42.51 0.057361
42.52 0.057374
42.53 0.057388
42.54 0.057401
42.55 0.057415
42.56 0.057428
42.57 0.057442
42.58 0.057455
42.59 0.057469
42.60 0.057482
42.61 0.057496
42.62 0.057509
42.63 0.057523
42.64 0.057536
42.65 0.057550
42.66 0.057563
42.67 0.057577
mph mach
42.68 0.057590
42.69 0.057604
42.70 0.057617
42.71 0.057631
42.72 0.057644
42.73 0.057658
42.74 0.057671
42.75 0.057685
42.76 0.057698
42.77 0.057712
42.78 0.057725
42.79 0.057739
42.80 0.057752
42.81 0.057766
42.82 0.057779
42.83 0.057793
42.84 0.057806
42.85 0.057820
42.86 0.057833
42.87 0.057847
42.88 0.057860
42.89 0.057874
42.90 0.057887
42.91 0.057901
42.92 0.057914
42.93 0.057928
42.94 0.057941
42.95 0.057955
42.96 0.057968
42.97 0.057982
42.98 0.057995
42.99 0.058009
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