• mph   m/s
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The mile per hour, commonly abbreviated as mph, is a unit of speed originating from the British imperial system and widely used in the United States and the United Kingdom. It’s fascinating to know that the concept of mph has historical significance dating back to the invention of the first automobiles in the late 19th century. The iconic cars of the 1920s, often called “classic cars,” were among the first to publicly advertise their capabilities in mph, including models like the Ford Model T, which had a top speed of about 45 mph.

Interestingly, mph is still the primary speed measurement unit for most road signage in countries such as the US and the UK, even while the rest of the world predominantly uses kilometers per hour (kph). The land-speed record attempts, including those made with the supersonic car “ThrustSSC,” which achieved an astonishing 763 mph in 1997, also emphasize the significance of this unit in measuring extreme speeds.

Did you know?

Metres per second (m/s) may seem inconspicuous, but it plays a critical role in understanding speed and velocity in scientific contexts. The unit underpins numerous fundamental concepts in physics and engineering, such as calculating the speed of sound at approximately 343 m/s in air at room temperature. This speed metric is also central to space exploration, where spacecraft velocity is often measured in meters per second to ensure precision in navigation and successful missions.

Beyond Earth, Jupiter’s moon, Io, erupts volcanic plumes that reach speeds of over 1,000 m/s, showcasing this unit’s application in celestial phenomena. Transitioning to daily life, elite athletes can clock speeds around 10 m/s during sprints, a testament to human capability. By providing a consistent metric, meters per second serves as a universal bridge across varied disciplines and contexts.

> Miles per hour to Metres per second Conversion Table

Miles per hour Metres per second
0 mph 0 m/s
2 mph 0.89408 m/s
4 mph 1.78816 m/s
6 mph 2.68224 m/s
8 mph 3.57632 m/s
10 mph 4.4704 m/s
12 mph 5.36448 m/s
14 mph 6.25856 m/s
16 mph 7.15264 m/s
18 mph 8.04672 m/s
20 mph 8.9408 m/s
22 mph 9.83488 m/s
24 mph 10.72896 m/s
26 mph 11.62304 m/s
28 mph 12.51712 m/s
30 mph 13.4112 m/s
32 mph 14.30528 m/s
34 mph 15.19936 m/s
36 mph 16.09344 m/s
38 mph 16.98752 m/s
40 mph 17.8816 m/s
42 mph 18.77568 m/s
44 mph 19.66976 m/s
46 mph 20.56384 m/s
48 mph 21.45792 m/s
50 mph 22.352 m/s
52 mph 23.24608 m/s
54 mph 24.14016 m/s
56 mph 25.03424 m/s
58 mph 25.92832 m/s
60 mph 26.8224 m/s
62 mph 27.71648 m/s
64 mph 28.61056 m/s
66 mph 29.50464 m/s
68 mph 30.39872 m/s
70 mph 31.2928 m/s
72 mph 32.18688 m/s
74 mph 33.08096 m/s
76 mph 33.97504 m/s
78 mph 34.86912 m/s
80 mph 35.7632 m/s
82 mph 36.65728 m/s
84 mph 37.55136 m/s
86 mph 38.44544 m/s
88 mph 39.33952 m/s
90 mph 40.2336 m/s
92 mph 41.12768 m/s
94 mph 42.02176 m/s
96 mph 42.91584 m/s
98 mph 43.80992 m/s
100 mph 44.704 m/s
102 mph 45.59808 m/s
104 mph 46.49216 m/s
106 mph 47.38624 m/s
108 mph 48.28032 m/s
110 mph 49.1744 m/s
112 mph 50.06848 m/s
114 mph 50.96256 m/s
116 mph 51.85664 m/s
118 mph 52.75072 m/s
120 mph 53.6448 m/s
122 mph 54.53888 m/s
124 mph 55.43296 m/s
126 mph 56.32704 m/s
128 mph 57.22112 m/s
130 mph 58.1152 m/s
132 mph 59.00928 m/s
134 mph 59.90336 m/s
136 mph 60.79744 m/s
138 mph 61.69152 m/s
140 mph 62.5856 m/s
142 mph 63.47968 m/s
144 mph 64.37376 m/s
146 mph 65.26784 m/s
148 mph 66.16192 m/s
150 mph 67.056 m/s