• mph   in/h
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Rounding Mode:

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?

Inches per hour (iph) might seem like a peculiar unit of speed, but it plays a critical role in specific fields such as meteorology and engineering. This unit is often employed to measure precipitation rates, as it provides a precise gauge for predicting flooding events and soil absorption rates. By understanding precipitation in inches per hour, meteorologists can issue timely warnings and help communities prepare for extreme weather conditions.

Beyond weather, inches per hour can also be significant in manufacturing. For instance, when a machine needs to move with precision while applying adhesives or paints, the speed may be calibrated in iph to ensure accurate application and quality control. It’s a reminder of how even seemingly simple units have complex and vital applications across various industries.

> Miles per hour to Inches per hour Conversion Table

Miles per hour Inches per hour
0 mph 0 in/h
2 mph 126742.71229 in/h
4 mph 253485.42459 in/h
6 mph 380228.13688 in/h
8 mph 506970.84918 in/h
10 mph 633713.56147 in/h
12 mph 760456.27376 in/h
14 mph 887198.98606 in/h
16 mph 1013941.69835 in/h
18 mph 1140684.41065 in/h
20 mph 1267427.12294 in/h
22 mph 1394169.83523 in/h
24 mph 1520912.54753 in/h
26 mph 1647655.25982 in/h
28 mph 1774397.97212 in/h
30 mph 1901140.68441 in/h
32 mph 2027883.3967 in/h
34 mph 2154626.109 in/h
36 mph 2281368.82129 in/h
38 mph 2408111.53359 in/h
40 mph 2534854.24588 in/h
42 mph 2661596.95817 in/h
44 mph 2788339.67047 in/h
46 mph 2915082.38276 in/h
48 mph 3041825.09506 in/h
50 mph 3168567.80735 in/h
52 mph 3295310.51965 in/h
54 mph 3422053.23194 in/h
56 mph 3548795.94423 in/h
58 mph 3675538.65653 in/h
60 mph 3802281.36882 in/h
62 mph 3929024.08112 in/h
64 mph 4055766.79341 in/h
66 mph 4182509.5057 in/h
68 mph 4309252.218 in/h
70 mph 4435994.93029 in/h
72 mph 4562737.64259 in/h
74 mph 4689480.35488 in/h
76 mph 4816223.06717 in/h
78 mph 4942965.77947 in/h
80 mph 5069708.49176 in/h
82 mph 5196451.20406 in/h
84 mph 5323193.91635 in/h
86 mph 5449936.62864 in/h
88 mph 5576679.34094 in/h
90 mph 5703422.05323 in/h
92 mph 5830164.76553 in/h
94 mph 5956907.47782 in/h
96 mph 6083650.19011 in/h
98 mph 6210392.90241 in/h
100 mph 6337135.6147 in/h
102 mph 6463878.327 in/h
104 mph 6590621.03929 in/h
106 mph 6717363.75158 in/h
108 mph 6844106.46388 in/h
110 mph 6970849.17617 in/h
112 mph 7097591.88847 in/h
114 mph 7224334.60076 in/h
116 mph 7351077.31305 in/h
118 mph 7477820.02535 in/h
120 mph 7604562.73764 in/h
122 mph 7731305.44994 in/h
124 mph 7858048.16223 in/h
126 mph 7984790.87452 in/h
128 mph 8111533.58682 in/h
130 mph 8238276.29911 in/h
132 mph 8365019.01141 in/h
134 mph 8491761.7237 in/h
136 mph 8618504.43599 in/h
138 mph 8745247.14829 in/h
140 mph 8871989.86058 in/h
142 mph 8998732.57288 in/h
144 mph 9125475.28517 in/h
146 mph 9252217.99747 in/h
148 mph 9378960.70976 in/h
150 mph 9505703.42205 in/h