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.
Foot per minute (ft/min) is a fascinating unit of speed often used in specialized fields such as HVAC (heating, ventilation, and air conditioning) systems to measure airflow and in other engineering applications. Interestingly, the roots of this unit can be traced back to the historical origins of the foot as a measurement, which dates back to ancient Egypt where the “royal foot” was utilized. Over centuries, various civilizations have adopted and adapted the foot, leading to the version we use today.
While it might seem esoteric, ft/min is crucial for ensuring precise calibrations and ensuring optimal efficiency in engineering contexts. For example, it is heavily relied upon to ensure the right amount of air changes per hour in room ventilation, directly affecting air quality and energy efficiency. Understanding and utilizing this unit connects us to a broader narrative of measurement evolution and technical precision.
| Metres per second | Feet per minute |
|---|---|
0
m/s
|
0
ft/min
|
1
m/s
|
196.85102
ft/min
|
2
m/s
|
393.70205
ft/min
|
3
m/s
|
590.55307
ft/min
|
4
m/s
|
787.40409
ft/min
|
5
m/s
|
984.25512
ft/min
|
6
m/s
|
1181.10614
ft/min
|
7
m/s
|
1377.95717
ft/min
|
8
m/s
|
1574.80819
ft/min
|
9
m/s
|
1771.65921
ft/min
|
10
m/s
|
1968.51024
ft/min
|
11
m/s
|
2165.36126
ft/min
|
12
m/s
|
2362.21228
ft/min
|
13
m/s
|
2559.06331
ft/min
|
14
m/s
|
2755.91433
ft/min
|
15
m/s
|
2952.76535
ft/min
|
16
m/s
|
3149.61638
ft/min
|
17
m/s
|
3346.4674
ft/min
|
18
m/s
|
3543.31843
ft/min
|
19
m/s
|
3740.16945
ft/min
|
20
m/s
|
3937.02047
ft/min
|
21
m/s
|
4133.8715
ft/min
|
22
m/s
|
4330.72252
ft/min
|
23
m/s
|
4527.57354
ft/min
|
24
m/s
|
4724.42457
ft/min
|
25
m/s
|
4921.27559
ft/min
|
26
m/s
|
5118.12661
ft/min
|
27
m/s
|
5314.97764
ft/min
|
28
m/s
|
5511.82866
ft/min
|
29
m/s
|
5708.67969
ft/min
|
30
m/s
|
5905.53071
ft/min
|
31
m/s
|
6102.38173
ft/min
|
32
m/s
|
6299.23276
ft/min
|
33
m/s
|
6496.08378
ft/min
|
34
m/s
|
6692.9348
ft/min
|
35
m/s
|
6889.78583
ft/min
|
36
m/s
|
7086.63685
ft/min
|
37
m/s
|
7283.48787
ft/min
|
38
m/s
|
7480.3389
ft/min
|
39
m/s
|
7677.18992
ft/min
|
40
m/s
|
7874.04094
ft/min
|
41
m/s
|
8070.89197
ft/min
|
42
m/s
|
8267.74299
ft/min
|
43
m/s
|
8464.59402
ft/min
|
44
m/s
|
8661.44504
ft/min
|
45
m/s
|
8858.29606
ft/min
|
46
m/s
|
9055.14709
ft/min
|
47
m/s
|
9251.99811
ft/min
|
48
m/s
|
9448.84913
ft/min
|
49
m/s
|
9645.70016
ft/min
|
50
m/s
|
9842.55118
ft/min
|
51
m/s
|
10039.4022
ft/min
|
52
m/s
|
10236.25323
ft/min
|
53
m/s
|
10433.10425
ft/min
|
54
m/s
|
10629.95528
ft/min
|
55
m/s
|
10826.8063
ft/min
|
56
m/s
|
11023.65732
ft/min
|
57
m/s
|
11220.50835
ft/min
|
58
m/s
|
11417.35937
ft/min
|
59
m/s
|
11614.21039
ft/min
|
60
m/s
|
11811.06142
ft/min
|
61
m/s
|
12007.91244
ft/min
|
62
m/s
|
12204.76346
ft/min
|
63
m/s
|
12401.61449
ft/min
|
64
m/s
|
12598.46551
ft/min
|
65
m/s
|
12795.31654
ft/min
|
66
m/s
|
12992.16756
ft/min
|
67
m/s
|
13189.01858
ft/min
|
68
m/s
|
13385.86961
ft/min
|
69
m/s
|
13582.72063
ft/min
|
70
m/s
|
13779.57165
ft/min
|
71
m/s
|
13976.42268
ft/min
|
72
m/s
|
14173.2737
ft/min
|
73
m/s
|
14370.12472
ft/min
|
74
m/s
|
14566.97575
ft/min
|
75
m/s
|
14763.82677
ft/min
|
76
m/s
|
14960.6778
ft/min
|
77
m/s
|
15157.52882
ft/min
|
78
m/s
|
15354.37984
ft/min
|
79
m/s
|
15551.23087
ft/min
|
80
m/s
|
15748.08189
ft/min
|
81
m/s
|
15944.93291
ft/min
|
82
m/s
|
16141.78394
ft/min
|
83
m/s
|
16338.63496
ft/min
|
84
m/s
|
16535.48598
ft/min
|
85
m/s
|
16732.33701
ft/min
|
86
m/s
|
16929.18803
ft/min
|
87
m/s
|
17126.03906
ft/min
|
88
m/s
|
17322.89008
ft/min
|
89
m/s
|
17519.7411
ft/min
|
90
m/s
|
17716.59213
ft/min
|
91
m/s
|
17913.44315
ft/min
|
92
m/s
|
18110.29417
ft/min
|
93
m/s
|
18307.1452
ft/min
|
94
m/s
|
18503.99622
ft/min
|
95
m/s
|
18700.84724
ft/min
|
96
m/s
|
18897.69827
ft/min
|
97
m/s
|
19094.54929
ft/min
|
98
m/s
|
19291.40032
ft/min
|
99
m/s
|
19488.25134
ft/min
|
100
m/s
|
19685.10236
ft/min
|
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