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 hour (kl/h) is a unit of volumetric flow rate often used in industrial and engineering applications to measure the amount of fluid moving through a system each hour. One kilolitre is equivalent to 1,000 liters, so a flow rate of 1 kl/h corresponds to 1,000 liters being transported in one hour. This unit is particularly favored in contexts such as water supply management, wastewater treatment, and various chemical processes, where large volumes of liquids are routinely processed.
Interestingly, the use of kilolitres per hour can help simplify calculations and improve efficiency for large-scale operations by allowing easy conversion and comparison with daily or even yearly flow rates. As global demand for efficient water management increases, understanding and leveraging these units become ever more crucial for engineers and environmental scientists alike.
Cubic feet per second | Kilolitres per hour |
---|---|
0
ft³/s
|
0
kl/h
|
1
ft³/s
|
101.9406
kl/h
|
2
ft³/s
|
203.88119
kl/h
|
3
ft³/s
|
305.82179
kl/h
|
4
ft³/s
|
407.76238
kl/h
|
5
ft³/s
|
509.70298
kl/h
|
6
ft³/s
|
611.64357
kl/h
|
7
ft³/s
|
713.58417
kl/h
|
8
ft³/s
|
815.52476
kl/h
|
9
ft³/s
|
917.46536
kl/h
|
10
ft³/s
|
1019.40595
kl/h
|
11
ft³/s
|
1121.34655
kl/h
|
12
ft³/s
|
1223.28714
kl/h
|
13
ft³/s
|
1325.22774
kl/h
|
14
ft³/s
|
1427.16833
kl/h
|
15
ft³/s
|
1529.10893
kl/h
|
16
ft³/s
|
1631.04952
kl/h
|
17
ft³/s
|
1732.99012
kl/h
|
18
ft³/s
|
1834.93071
kl/h
|
19
ft³/s
|
1936.87131
kl/h
|
20
ft³/s
|
2038.8119
kl/h
|
21
ft³/s
|
2140.7525
kl/h
|
22
ft³/s
|
2242.69309
kl/h
|
23
ft³/s
|
2344.63369
kl/h
|
24
ft³/s
|
2446.57428
kl/h
|
25
ft³/s
|
2548.51488
kl/h
|
26
ft³/s
|
2650.45548
kl/h
|
27
ft³/s
|
2752.39607
kl/h
|
28
ft³/s
|
2854.33667
kl/h
|
29
ft³/s
|
2956.27726
kl/h
|
30
ft³/s
|
3058.21786
kl/h
|
31
ft³/s
|
3160.15845
kl/h
|
32
ft³/s
|
3262.09905
kl/h
|
33
ft³/s
|
3364.03964
kl/h
|
34
ft³/s
|
3465.98024
kl/h
|
35
ft³/s
|
3567.92083
kl/h
|
36
ft³/s
|
3669.86143
kl/h
|
37
ft³/s
|
3771.80202
kl/h
|
38
ft³/s
|
3873.74262
kl/h
|
39
ft³/s
|
3975.68321
kl/h
|
40
ft³/s
|
4077.62381
kl/h
|
41
ft³/s
|
4179.5644
kl/h
|
42
ft³/s
|
4281.505
kl/h
|
43
ft³/s
|
4383.44559
kl/h
|
44
ft³/s
|
4485.38619
kl/h
|
45
ft³/s
|
4587.32678
kl/h
|
46
ft³/s
|
4689.26738
kl/h
|
47
ft³/s
|
4791.20797
kl/h
|
48
ft³/s
|
4893.14857
kl/h
|
49
ft³/s
|
4995.08916
kl/h
|
50
ft³/s
|
5097.02976
kl/h
|
51
ft³/s
|
5198.97035
kl/h
|
52
ft³/s
|
5300.91095
kl/h
|
53
ft³/s
|
5402.85155
kl/h
|
54
ft³/s
|
5504.79214
kl/h
|
55
ft³/s
|
5606.73274
kl/h
|
56
ft³/s
|
5708.67333
kl/h
|
57
ft³/s
|
5810.61393
kl/h
|
58
ft³/s
|
5912.55452
kl/h
|
59
ft³/s
|
6014.49512
kl/h
|
60
ft³/s
|
6116.43571
kl/h
|
61
ft³/s
|
6218.37631
kl/h
|
62
ft³/s
|
6320.3169
kl/h
|
63
ft³/s
|
6422.2575
kl/h
|
64
ft³/s
|
6524.19809
kl/h
|
65
ft³/s
|
6626.13869
kl/h
|
66
ft³/s
|
6728.07928
kl/h
|
67
ft³/s
|
6830.01988
kl/h
|
68
ft³/s
|
6931.96047
kl/h
|
69
ft³/s
|
7033.90107
kl/h
|
70
ft³/s
|
7135.84166
kl/h
|
71
ft³/s
|
7237.78226
kl/h
|
72
ft³/s
|
7339.72285
kl/h
|
73
ft³/s
|
7441.66345
kl/h
|
74
ft³/s
|
7543.60404
kl/h
|
75
ft³/s
|
7645.54464
kl/h
|
76
ft³/s
|
7747.48523
kl/h
|
77
ft³/s
|
7849.42583
kl/h
|
78
ft³/s
|
7951.36643
kl/h
|
79
ft³/s
|
8053.30702
kl/h
|
80
ft³/s
|
8155.24762
kl/h
|
81
ft³/s
|
8257.18821
kl/h
|
82
ft³/s
|
8359.12881
kl/h
|
83
ft³/s
|
8461.0694
kl/h
|
84
ft³/s
|
8563.01
kl/h
|
85
ft³/s
|
8664.95059
kl/h
|
86
ft³/s
|
8766.89119
kl/h
|
87
ft³/s
|
8868.83178
kl/h
|
88
ft³/s
|
8970.77238
kl/h
|
89
ft³/s
|
9072.71297
kl/h
|
90
ft³/s
|
9174.65357
kl/h
|
91
ft³/s
|
9276.59416
kl/h
|
92
ft³/s
|
9378.53476
kl/h
|
93
ft³/s
|
9480.47535
kl/h
|
94
ft³/s
|
9582.41595
kl/h
|
95
ft³/s
|
9684.35654
kl/h
|
96
ft³/s
|
9786.29714
kl/h
|
97
ft³/s
|
9888.23773
kl/h
|
98
ft³/s
|
9990.17833
kl/h
|
99
ft³/s
|
10092.11892
kl/h
|
100
ft³/s
|
10194.05952
kl/h
|
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