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.
Litre per hour (L/h) is a unit of volumetric flow rate commonly used to measure the flow of liquids, especially in contexts like automotive fuel consumption, industrial processes, and even water filtration systems. It’s quite fascinating to consider that this seemingly straightforward unit plays a pivotal role in optimizing fuel efficiency and managing resource consumption. For instance, in automobiles, understanding L/h helps in gauging engine efficiency, thereby shaping innovations aimed at reducing emissions and increasing sustainability.
Interestingly, L/h is also vital in everyday scenarios such as aquariums or home brewing, where maintaining a consistent and precise flow rate is essential for the successful nurturing of aquatic life or achieving the perfect brew. This level of accuracy and consistency can make all the difference, showcasing the critical role of L/h in diverse fields.
| Cubic feet per second | Litres per hour |
|---|---|
0
ft³/s
|
0
l/h
|
1
ft³/s
|
101940.5952
l/h
|
2
ft³/s
|
203881.19039
l/h
|
3
ft³/s
|
305821.78559
l/h
|
4
ft³/s
|
407762.38078
l/h
|
5
ft³/s
|
509702.97598
l/h
|
6
ft³/s
|
611643.57117
l/h
|
7
ft³/s
|
713584.16637
l/h
|
8
ft³/s
|
815524.76157
l/h
|
9
ft³/s
|
917465.35676
l/h
|
10
ft³/s
|
1019405.95196
l/h
|
11
ft³/s
|
1121346.54715
l/h
|
12
ft³/s
|
1223287.14235
l/h
|
13
ft³/s
|
1325227.73754
l/h
|
14
ft³/s
|
1427168.33274
l/h
|
15
ft³/s
|
1529108.92794
l/h
|
16
ft³/s
|
1631049.52313
l/h
|
17
ft³/s
|
1732990.11833
l/h
|
18
ft³/s
|
1834930.71352
l/h
|
19
ft³/s
|
1936871.30872
l/h
|
20
ft³/s
|
2038811.90391
l/h
|
21
ft³/s
|
2140752.49911
l/h
|
22
ft³/s
|
2242693.09431
l/h
|
23
ft³/s
|
2344633.6895
l/h
|
24
ft³/s
|
2446574.2847
l/h
|
25
ft³/s
|
2548514.87989
l/h
|
26
ft³/s
|
2650455.47509
l/h
|
27
ft³/s
|
2752396.07028
l/h
|
28
ft³/s
|
2854336.66548
l/h
|
29
ft³/s
|
2956277.26068
l/h
|
30
ft³/s
|
3058217.85587
l/h
|
31
ft³/s
|
3160158.45107
l/h
|
32
ft³/s
|
3262099.04626
l/h
|
33
ft³/s
|
3364039.64146
l/h
|
34
ft³/s
|
3465980.23665
l/h
|
35
ft³/s
|
3567920.83185
l/h
|
36
ft³/s
|
3669861.42705
l/h
|
37
ft³/s
|
3771802.02224
l/h
|
38
ft³/s
|
3873742.61744
l/h
|
39
ft³/s
|
3975683.21263
l/h
|
40
ft³/s
|
4077623.80783
l/h
|
41
ft³/s
|
4179564.40303
l/h
|
42
ft³/s
|
4281504.99822
l/h
|
43
ft³/s
|
4383445.59342
l/h
|
44
ft³/s
|
4485386.18861
l/h
|
45
ft³/s
|
4587326.78381
l/h
|
46
ft³/s
|
4689267.379
l/h
|
47
ft³/s
|
4791207.9742
l/h
|
48
ft³/s
|
4893148.5694
l/h
|
49
ft³/s
|
4995089.16459
l/h
|
50
ft³/s
|
5097029.75979
l/h
|
51
ft³/s
|
5198970.35498
l/h
|
52
ft³/s
|
5300910.95018
l/h
|
53
ft³/s
|
5402851.54537
l/h
|
54
ft³/s
|
5504792.14057
l/h
|
55
ft³/s
|
5606732.73577
l/h
|
56
ft³/s
|
5708673.33096
l/h
|
57
ft³/s
|
5810613.92616
l/h
|
58
ft³/s
|
5912554.52135
l/h
|
59
ft³/s
|
6014495.11655
l/h
|
60
ft³/s
|
6116435.71174
l/h
|
61
ft³/s
|
6218376.30694
l/h
|
62
ft³/s
|
6320316.90214
l/h
|
63
ft³/s
|
6422257.49733
l/h
|
64
ft³/s
|
6524198.09253
l/h
|
65
ft³/s
|
6626138.68772
l/h
|
66
ft³/s
|
6728079.28292
l/h
|
67
ft³/s
|
6830019.87811
l/h
|
68
ft³/s
|
6931960.47331
l/h
|
69
ft³/s
|
7033901.06851
l/h
|
70
ft³/s
|
7135841.6637
l/h
|
71
ft³/s
|
7237782.2589
l/h
|
72
ft³/s
|
7339722.85409
l/h
|
73
ft³/s
|
7441663.44929
l/h
|
74
ft³/s
|
7543604.04448
l/h
|
75
ft³/s
|
7645544.63968
l/h
|
76
ft³/s
|
7747485.23488
l/h
|
77
ft³/s
|
7849425.83007
l/h
|
78
ft³/s
|
7951366.42527
l/h
|
79
ft³/s
|
8053307.02046
l/h
|
80
ft³/s
|
8155247.61566
l/h
|
81
ft³/s
|
8257188.21085
l/h
|
82
ft³/s
|
8359128.80605
l/h
|
83
ft³/s
|
8461069.40125
l/h
|
84
ft³/s
|
8563009.99644
l/h
|
85
ft³/s
|
8664950.59164
l/h
|
86
ft³/s
|
8766891.18683
l/h
|
87
ft³/s
|
8868831.78203
l/h
|
88
ft³/s
|
8970772.37722
l/h
|
89
ft³/s
|
9072712.97242
l/h
|
90
ft³/s
|
9174653.56762
l/h
|
91
ft³/s
|
9276594.16281
l/h
|
92
ft³/s
|
9378534.75801
l/h
|
93
ft³/s
|
9480475.3532
l/h
|
94
ft³/s
|
9582415.9484
l/h
|
95
ft³/s
|
9684356.54359
l/h
|
96
ft³/s
|
9786297.13879
l/h
|
97
ft³/s
|
9888237.73399
l/h
|
98
ft³/s
|
9990178.32918
l/h
|
99
ft³/s
|
1.00921e+7
l/h
|
100
ft³/s
|
1.01941e+7
l/h
|
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