A cubic foot per second (cfs) is a unit of flow rate that describes the volume of water or other fluids moving past a point every second. It is commonly used in hydrology to measure rivers and streams, providing insight into water availability and flood prediction. To put it in perspective, one cubic foot per second is equivalent to 7.48 gallons per second. Thus, a modest stream might flow at several tens of cfs, while larger rivers, such as the Mississippi, can exceed 500,000 cfs!
Interestingly, this unit has historical significance dating back to the early days of water management, where it played a crucial role in the development of infrastructure for agriculture and urban planning, influencing patterns of settlement and economic development around the world.
The pint per hour is a lesser-known unit of flow rate that finds its charm in the world of brewing and small-scale liquid distribution. Primarily used in the United States and the UK, a pint per hour measures how much liquid—specifically a pint—flows per hour, making it essential for brewers ensuring the precision of their craft. While breweries heavily rely on precise measurements to maintain flavor, texture, and quality, the pint per hour unit also interestingly comes into play in household systems like drip irrigation, where the gentle trickle ensures plants receive consistent hydration.
Even in historical contexts, the pint per hour has its fascinating roots. It was used by alewives in medieval Europe, who measured using much more rudimentary, time-tested methods. Through innovation and tradition alike, the pint per hour illustrates the quaint yet crucial role of accurate measurement in everyday life.
| Cubic feet per second | Pints per hour |
|---|---|
0
ft³/s
|
0
pnt/h
|
1
ft³/s
|
215438.85
pnt/h
|
2
ft³/s
|
430877.7
pnt/h
|
3
ft³/s
|
646316.55
pnt/h
|
4
ft³/s
|
861755.4
pnt/h
|
5
ft³/s
|
1077194.25
pnt/h
|
6
ft³/s
|
1292633.1
pnt/h
|
7
ft³/s
|
1508071.95
pnt/h
|
8
ft³/s
|
1723510.8
pnt/h
|
9
ft³/s
|
1938949.65
pnt/h
|
10
ft³/s
|
2154388.5
pnt/h
|
11
ft³/s
|
2369827.35
pnt/h
|
12
ft³/s
|
2585266.2
pnt/h
|
13
ft³/s
|
2800705.05
pnt/h
|
14
ft³/s
|
3016143.9
pnt/h
|
15
ft³/s
|
3231582.75
pnt/h
|
16
ft³/s
|
3447021.6
pnt/h
|
17
ft³/s
|
3662460.45
pnt/h
|
18
ft³/s
|
3877899.3
pnt/h
|
19
ft³/s
|
4093338.15
pnt/h
|
20
ft³/s
|
4308777
pnt/h
|
21
ft³/s
|
4524215.85
pnt/h
|
22
ft³/s
|
4739654.7
pnt/h
|
23
ft³/s
|
4955093.55
pnt/h
|
24
ft³/s
|
5170532.4
pnt/h
|
25
ft³/s
|
5385971.25
pnt/h
|
26
ft³/s
|
5601410.1
pnt/h
|
27
ft³/s
|
5816848.95
pnt/h
|
28
ft³/s
|
6032287.8
pnt/h
|
29
ft³/s
|
6247726.65
pnt/h
|
30
ft³/s
|
6463165.5
pnt/h
|
31
ft³/s
|
6678604.35
pnt/h
|
32
ft³/s
|
6894043.2
pnt/h
|
33
ft³/s
|
7109482.05
pnt/h
|
34
ft³/s
|
7324920.9
pnt/h
|
35
ft³/s
|
7540359.75
pnt/h
|
36
ft³/s
|
7755798.6
pnt/h
|
37
ft³/s
|
7971237.45
pnt/h
|
38
ft³/s
|
8186676.3
pnt/h
|
39
ft³/s
|
8402115.15
pnt/h
|
40
ft³/s
|
8617554
pnt/h
|
41
ft³/s
|
8832992.85
pnt/h
|
42
ft³/s
|
9048431.7
pnt/h
|
43
ft³/s
|
9263870.55
pnt/h
|
44
ft³/s
|
9479309.4
pnt/h
|
45
ft³/s
|
9694748.25
pnt/h
|
46
ft³/s
|
9910187.1
pnt/h
|
47
ft³/s
|
1.01256e+7
pnt/h
|
48
ft³/s
|
1.03411e+7
pnt/h
|
49
ft³/s
|
1.05565e+7
pnt/h
|
50
ft³/s
|
1.07719e+7
pnt/h
|
51
ft³/s
|
1.09874e+7
pnt/h
|
52
ft³/s
|
1.12028e+7
pnt/h
|
53
ft³/s
|
1.14183e+7
pnt/h
|
54
ft³/s
|
1.16337e+7
pnt/h
|
55
ft³/s
|
1.18491e+7
pnt/h
|
56
ft³/s
|
1.20646e+7
pnt/h
|
57
ft³/s
|
1.228e+7
pnt/h
|
58
ft³/s
|
1.24955e+7
pnt/h
|
59
ft³/s
|
1.27109e+7
pnt/h
|
60
ft³/s
|
1.29263e+7
pnt/h
|
61
ft³/s
|
1.31418e+7
pnt/h
|
62
ft³/s
|
1.33572e+7
pnt/h
|
63
ft³/s
|
1.35726e+7
pnt/h
|
64
ft³/s
|
1.37881e+7
pnt/h
|
65
ft³/s
|
1.40035e+7
pnt/h
|
66
ft³/s
|
1.4219e+7
pnt/h
|
67
ft³/s
|
1.44344e+7
pnt/h
|
68
ft³/s
|
1.46498e+7
pnt/h
|
69
ft³/s
|
1.48653e+7
pnt/h
|
70
ft³/s
|
1.50807e+7
pnt/h
|
71
ft³/s
|
1.52962e+7
pnt/h
|
72
ft³/s
|
1.55116e+7
pnt/h
|
73
ft³/s
|
1.5727e+7
pnt/h
|
74
ft³/s
|
1.59425e+7
pnt/h
|
75
ft³/s
|
1.61579e+7
pnt/h
|
76
ft³/s
|
1.63734e+7
pnt/h
|
77
ft³/s
|
1.65888e+7
pnt/h
|
78
ft³/s
|
1.68042e+7
pnt/h
|
79
ft³/s
|
1.70197e+7
pnt/h
|
80
ft³/s
|
1.72351e+7
pnt/h
|
81
ft³/s
|
1.74505e+7
pnt/h
|
82
ft³/s
|
1.7666e+7
pnt/h
|
83
ft³/s
|
1.78814e+7
pnt/h
|
84
ft³/s
|
1.80969e+7
pnt/h
|
85
ft³/s
|
1.83123e+7
pnt/h
|
86
ft³/s
|
1.85277e+7
pnt/h
|
87
ft³/s
|
1.87432e+7
pnt/h
|
88
ft³/s
|
1.89586e+7
pnt/h
|
89
ft³/s
|
1.91741e+7
pnt/h
|
90
ft³/s
|
1.93895e+7
pnt/h
|
91
ft³/s
|
1.96049e+7
pnt/h
|
92
ft³/s
|
1.98204e+7
pnt/h
|
93
ft³/s
|
2.00358e+7
pnt/h
|
94
ft³/s
|
2.02513e+7
pnt/h
|
95
ft³/s
|
2.04667e+7
pnt/h
|
96
ft³/s
|
2.06821e+7
pnt/h
|
97
ft³/s
|
2.08976e+7
pnt/h
|
98
ft³/s
|
2.1113e+7
pnt/h
|
99
ft³/s
|
2.13284e+7
pnt/h
|
100
ft³/s
|
2.15439e+7
pnt/h
|
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