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.
A kilolitre per minute (kL/min) is a unit of flow rate, often applied in contexts like industrial processes, large-scale water management, and even firefighting operations. It measures the volume of liquid flowing at a rate of 1,000 liters per minute, which is a staggering amount of liquid when you consider it could fill an Olympic-sized swimming pool in less than a day. This unit showcases the dynamic capabilities of modern infrastructure and technology, particularly in water treatment plants, where flow rates are crucial for maintaining efficient systems. In today’s world, understanding these units helps us appreciate the sheer scale and precision involved in managing vital resources across the globe.
Cubic feet per second | Kilolitres per minute |
---|---|
0
ft³/s
|
0
kl/min
|
1
ft³/s
|
1.69901
kl/min
|
2
ft³/s
|
3.39802
kl/min
|
3
ft³/s
|
5.09703
kl/min
|
4
ft³/s
|
6.79604
kl/min
|
5
ft³/s
|
8.49505
kl/min
|
6
ft³/s
|
10.19406
kl/min
|
7
ft³/s
|
11.89307
kl/min
|
8
ft³/s
|
13.59208
kl/min
|
9
ft³/s
|
15.29109
kl/min
|
10
ft³/s
|
16.9901
kl/min
|
11
ft³/s
|
18.68911
kl/min
|
12
ft³/s
|
20.38812
kl/min
|
13
ft³/s
|
22.08713
kl/min
|
14
ft³/s
|
23.78614
kl/min
|
15
ft³/s
|
25.48515
kl/min
|
16
ft³/s
|
27.18416
kl/min
|
17
ft³/s
|
28.88317
kl/min
|
18
ft³/s
|
30.58218
kl/min
|
19
ft³/s
|
32.28119
kl/min
|
20
ft³/s
|
33.9802
kl/min
|
21
ft³/s
|
35.67921
kl/min
|
22
ft³/s
|
37.37822
kl/min
|
23
ft³/s
|
39.07723
kl/min
|
24
ft³/s
|
40.77624
kl/min
|
25
ft³/s
|
42.47525
kl/min
|
26
ft³/s
|
44.17426
kl/min
|
27
ft³/s
|
45.87327
kl/min
|
28
ft³/s
|
47.57228
kl/min
|
29
ft³/s
|
49.27129
kl/min
|
30
ft³/s
|
50.9703
kl/min
|
31
ft³/s
|
52.66931
kl/min
|
32
ft³/s
|
54.36832
kl/min
|
33
ft³/s
|
56.06733
kl/min
|
34
ft³/s
|
57.76634
kl/min
|
35
ft³/s
|
59.46535
kl/min
|
36
ft³/s
|
61.16436
kl/min
|
37
ft³/s
|
62.86337
kl/min
|
38
ft³/s
|
64.56238
kl/min
|
39
ft³/s
|
66.26139
kl/min
|
40
ft³/s
|
67.9604
kl/min
|
41
ft³/s
|
69.65941
kl/min
|
42
ft³/s
|
71.35842
kl/min
|
43
ft³/s
|
73.05743
kl/min
|
44
ft³/s
|
74.75644
kl/min
|
45
ft³/s
|
76.45545
kl/min
|
46
ft³/s
|
78.15446
kl/min
|
47
ft³/s
|
79.85347
kl/min
|
48
ft³/s
|
81.55248
kl/min
|
49
ft³/s
|
83.25149
kl/min
|
50
ft³/s
|
84.9505
kl/min
|
51
ft³/s
|
86.64951
kl/min
|
52
ft³/s
|
88.34852
kl/min
|
53
ft³/s
|
90.04753
kl/min
|
54
ft³/s
|
91.74654
kl/min
|
55
ft³/s
|
93.44555
kl/min
|
56
ft³/s
|
95.14456
kl/min
|
57
ft³/s
|
96.84357
kl/min
|
58
ft³/s
|
98.54258
kl/min
|
59
ft³/s
|
100.24159
kl/min
|
60
ft³/s
|
101.9406
kl/min
|
61
ft³/s
|
103.63961
kl/min
|
62
ft³/s
|
105.33862
kl/min
|
63
ft³/s
|
107.03762
kl/min
|
64
ft³/s
|
108.73663
kl/min
|
65
ft³/s
|
110.43564
kl/min
|
66
ft³/s
|
112.13465
kl/min
|
67
ft³/s
|
113.83366
kl/min
|
68
ft³/s
|
115.53267
kl/min
|
69
ft³/s
|
117.23168
kl/min
|
70
ft³/s
|
118.93069
kl/min
|
71
ft³/s
|
120.6297
kl/min
|
72
ft³/s
|
122.32871
kl/min
|
73
ft³/s
|
124.02772
kl/min
|
74
ft³/s
|
125.72673
kl/min
|
75
ft³/s
|
127.42574
kl/min
|
76
ft³/s
|
129.12475
kl/min
|
77
ft³/s
|
130.82376
kl/min
|
78
ft³/s
|
132.52277
kl/min
|
79
ft³/s
|
134.22178
kl/min
|
80
ft³/s
|
135.92079
kl/min
|
81
ft³/s
|
137.6198
kl/min
|
82
ft³/s
|
139.31881
kl/min
|
83
ft³/s
|
141.01782
kl/min
|
84
ft³/s
|
142.71683
kl/min
|
85
ft³/s
|
144.41584
kl/min
|
86
ft³/s
|
146.11485
kl/min
|
87
ft³/s
|
147.81386
kl/min
|
88
ft³/s
|
149.51287
kl/min
|
89
ft³/s
|
151.21188
kl/min
|
90
ft³/s
|
152.91089
kl/min
|
91
ft³/s
|
154.6099
kl/min
|
92
ft³/s
|
156.30891
kl/min
|
93
ft³/s
|
158.00792
kl/min
|
94
ft³/s
|
159.70693
kl/min
|
95
ft³/s
|
161.40594
kl/min
|
96
ft³/s
|
163.10495
kl/min
|
97
ft³/s
|
164.80396
kl/min
|
98
ft³/s
|
166.50297
kl/min
|
99
ft³/s
|
168.20198
kl/min
|
100
ft³/s
|
169.90099
kl/min
|
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