Foot per second (ft/s) is a unit commonly used to measure velocity, particularly in the United States. It’s fascinating to note that this unit offers a unique perspective on speed, especially when compared to more universal units like meters per second. For instance, the speed of sound travels at approximately 1,125 feet per second, illustrating just how fast sound waves can move. Moreover, this unit is an essential part of the British Imperial and U.S. customary systems, embodying the historical evolution of measurement standards.
Interestingly, foot per second was also a critical measure in ancient construction and engineering, where precision in the rate of stone placement or water flow impacted architectural marvels. Today, it’s frequently applied in sports science to analyze athletic performances, such as a sprinter’s burst off the starting blocks or the flight speed of a baseball pitcher’s throw. This unit continues to bridge past engineering feats with modern technological applications, providing a unique linkage of history and contemporary science.
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.
| Feet per second | Feet per minute |
|---|---|
0
ft/s
|
0
ft/min
|
1
ft/s
|
60.00018
ft/min
|
2
ft/s
|
120.00035
ft/min
|
3
ft/s
|
180.00053
ft/min
|
4
ft/s
|
240.0007
ft/min
|
5
ft/s
|
300.00088
ft/min
|
6
ft/s
|
360.00106
ft/min
|
7
ft/s
|
420.00123
ft/min
|
8
ft/s
|
480.00141
ft/min
|
9
ft/s
|
540.00158
ft/min
|
10
ft/s
|
600.00176
ft/min
|
11
ft/s
|
660.00194
ft/min
|
12
ft/s
|
720.00211
ft/min
|
13
ft/s
|
780.00229
ft/min
|
14
ft/s
|
840.00246
ft/min
|
15
ft/s
|
900.00264
ft/min
|
16
ft/s
|
960.00282
ft/min
|
17
ft/s
|
1020.00299
ft/min
|
18
ft/s
|
1080.00317
ft/min
|
19
ft/s
|
1140.00334
ft/min
|
20
ft/s
|
1200.00352
ft/min
|
21
ft/s
|
1260.0037
ft/min
|
22
ft/s
|
1320.00387
ft/min
|
23
ft/s
|
1380.00405
ft/min
|
24
ft/s
|
1440.00422
ft/min
|
25
ft/s
|
1500.0044
ft/min
|
26
ft/s
|
1560.00458
ft/min
|
27
ft/s
|
1620.00475
ft/min
|
28
ft/s
|
1680.00493
ft/min
|
29
ft/s
|
1740.0051
ft/min
|
30
ft/s
|
1800.00528
ft/min
|
31
ft/s
|
1860.00546
ft/min
|
32
ft/s
|
1920.00563
ft/min
|
33
ft/s
|
1980.00581
ft/min
|
34
ft/s
|
2040.00598
ft/min
|
35
ft/s
|
2100.00616
ft/min
|
36
ft/s
|
2160.00634
ft/min
|
37
ft/s
|
2220.00651
ft/min
|
38
ft/s
|
2280.00669
ft/min
|
39
ft/s
|
2340.00686
ft/min
|
40
ft/s
|
2400.00704
ft/min
|
41
ft/s
|
2460.00722
ft/min
|
42
ft/s
|
2520.00739
ft/min
|
43
ft/s
|
2580.00757
ft/min
|
44
ft/s
|
2640.00774
ft/min
|
45
ft/s
|
2700.00792
ft/min
|
46
ft/s
|
2760.0081
ft/min
|
47
ft/s
|
2820.00827
ft/min
|
48
ft/s
|
2880.00845
ft/min
|
49
ft/s
|
2940.00862
ft/min
|
50
ft/s
|
3000.0088
ft/min
|
51
ft/s
|
3060.00898
ft/min
|
52
ft/s
|
3120.00915
ft/min
|
53
ft/s
|
3180.00933
ft/min
|
54
ft/s
|
3240.0095
ft/min
|
55
ft/s
|
3300.00968
ft/min
|
56
ft/s
|
3360.00986
ft/min
|
57
ft/s
|
3420.01003
ft/min
|
58
ft/s
|
3480.01021
ft/min
|
59
ft/s
|
3540.01038
ft/min
|
60
ft/s
|
3600.01056
ft/min
|
61
ft/s
|
3660.01074
ft/min
|
62
ft/s
|
3720.01091
ft/min
|
63
ft/s
|
3780.01109
ft/min
|
64
ft/s
|
3840.01126
ft/min
|
65
ft/s
|
3900.01144
ft/min
|
66
ft/s
|
3960.01162
ft/min
|
67
ft/s
|
4020.01179
ft/min
|
68
ft/s
|
4080.01197
ft/min
|
69
ft/s
|
4140.01214
ft/min
|
70
ft/s
|
4200.01232
ft/min
|
71
ft/s
|
4260.0125
ft/min
|
72
ft/s
|
4320.01267
ft/min
|
73
ft/s
|
4380.01285
ft/min
|
74
ft/s
|
4440.01302
ft/min
|
75
ft/s
|
4500.0132
ft/min
|
76
ft/s
|
4560.01338
ft/min
|
77
ft/s
|
4620.01355
ft/min
|
78
ft/s
|
4680.01373
ft/min
|
79
ft/s
|
4740.0139
ft/min
|
80
ft/s
|
4800.01408
ft/min
|
81
ft/s
|
4860.01426
ft/min
|
82
ft/s
|
4920.01443
ft/min
|
83
ft/s
|
4980.01461
ft/min
|
84
ft/s
|
5040.01478
ft/min
|
85
ft/s
|
5100.01496
ft/min
|
86
ft/s
|
5160.01514
ft/min
|
87
ft/s
|
5220.01531
ft/min
|
88
ft/s
|
5280.01549
ft/min
|
89
ft/s
|
5340.01566
ft/min
|
90
ft/s
|
5400.01584
ft/min
|
91
ft/s
|
5460.01602
ft/min
|
92
ft/s
|
5520.01619
ft/min
|
93
ft/s
|
5580.01637
ft/min
|
94
ft/s
|
5640.01654
ft/min
|
95
ft/s
|
5700.01672
ft/min
|
96
ft/s
|
5760.0169
ft/min
|
97
ft/s
|
5820.01707
ft/min
|
98
ft/s
|
5880.01725
ft/min
|
99
ft/s
|
5940.01742
ft/min
|
100
ft/s
|
6000.0176
ft/min
|
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