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.
Cubic meter per hour (m³/h) might seem like just a simple metric unit of flow rate, but it plays a crucial role in various industries, especially in water supply and waste management systems. Understanding this unit can help imagine vast quantities efficiently: one cubic meter equals 1,000 liters, so just one m³/h represents the flow of 1,000 liters in an hour. This means that a single household’s daily water usage could often be entirely represented within a few cubic meters per hour.
Moreover, m³/h is extensively used in HVAC systems where air supply and exhaust rates are critical for maintaining breathable environments in buildings. In industries like oil and gas, it helps to determine the rate of fluid transfer, enhancing accurate forecasting and resource management. This universal metric enables seamless communication and coordination across global projects, underscoring its importance in engineering and environmental monitoring.
Cubic feet per second | Cubic meters per hour |
---|---|
0
ft³/s
|
0
m³/h
|
1
ft³/s
|
101.9406
m³/h
|
2
ft³/s
|
203.88119
m³/h
|
3
ft³/s
|
305.82179
m³/h
|
4
ft³/s
|
407.76238
m³/h
|
5
ft³/s
|
509.70298
m³/h
|
6
ft³/s
|
611.64357
m³/h
|
7
ft³/s
|
713.58417
m³/h
|
8
ft³/s
|
815.52476
m³/h
|
9
ft³/s
|
917.46536
m³/h
|
10
ft³/s
|
1019.40595
m³/h
|
11
ft³/s
|
1121.34655
m³/h
|
12
ft³/s
|
1223.28714
m³/h
|
13
ft³/s
|
1325.22774
m³/h
|
14
ft³/s
|
1427.16833
m³/h
|
15
ft³/s
|
1529.10893
m³/h
|
16
ft³/s
|
1631.04952
m³/h
|
17
ft³/s
|
1732.99012
m³/h
|
18
ft³/s
|
1834.93071
m³/h
|
19
ft³/s
|
1936.87131
m³/h
|
20
ft³/s
|
2038.8119
m³/h
|
21
ft³/s
|
2140.7525
m³/h
|
22
ft³/s
|
2242.69309
m³/h
|
23
ft³/s
|
2344.63369
m³/h
|
24
ft³/s
|
2446.57428
m³/h
|
25
ft³/s
|
2548.51488
m³/h
|
26
ft³/s
|
2650.45548
m³/h
|
27
ft³/s
|
2752.39607
m³/h
|
28
ft³/s
|
2854.33667
m³/h
|
29
ft³/s
|
2956.27726
m³/h
|
30
ft³/s
|
3058.21786
m³/h
|
31
ft³/s
|
3160.15845
m³/h
|
32
ft³/s
|
3262.09905
m³/h
|
33
ft³/s
|
3364.03964
m³/h
|
34
ft³/s
|
3465.98024
m³/h
|
35
ft³/s
|
3567.92083
m³/h
|
36
ft³/s
|
3669.86143
m³/h
|
37
ft³/s
|
3771.80202
m³/h
|
38
ft³/s
|
3873.74262
m³/h
|
39
ft³/s
|
3975.68321
m³/h
|
40
ft³/s
|
4077.62381
m³/h
|
41
ft³/s
|
4179.5644
m³/h
|
42
ft³/s
|
4281.505
m³/h
|
43
ft³/s
|
4383.44559
m³/h
|
44
ft³/s
|
4485.38619
m³/h
|
45
ft³/s
|
4587.32678
m³/h
|
46
ft³/s
|
4689.26738
m³/h
|
47
ft³/s
|
4791.20797
m³/h
|
48
ft³/s
|
4893.14857
m³/h
|
49
ft³/s
|
4995.08916
m³/h
|
50
ft³/s
|
5097.02976
m³/h
|
51
ft³/s
|
5198.97035
m³/h
|
52
ft³/s
|
5300.91095
m³/h
|
53
ft³/s
|
5402.85155
m³/h
|
54
ft³/s
|
5504.79214
m³/h
|
55
ft³/s
|
5606.73274
m³/h
|
56
ft³/s
|
5708.67333
m³/h
|
57
ft³/s
|
5810.61393
m³/h
|
58
ft³/s
|
5912.55452
m³/h
|
59
ft³/s
|
6014.49512
m³/h
|
60
ft³/s
|
6116.43571
m³/h
|
61
ft³/s
|
6218.37631
m³/h
|
62
ft³/s
|
6320.3169
m³/h
|
63
ft³/s
|
6422.2575
m³/h
|
64
ft³/s
|
6524.19809
m³/h
|
65
ft³/s
|
6626.13869
m³/h
|
66
ft³/s
|
6728.07928
m³/h
|
67
ft³/s
|
6830.01988
m³/h
|
68
ft³/s
|
6931.96047
m³/h
|
69
ft³/s
|
7033.90107
m³/h
|
70
ft³/s
|
7135.84166
m³/h
|
71
ft³/s
|
7237.78226
m³/h
|
72
ft³/s
|
7339.72285
m³/h
|
73
ft³/s
|
7441.66345
m³/h
|
74
ft³/s
|
7543.60404
m³/h
|
75
ft³/s
|
7645.54464
m³/h
|
76
ft³/s
|
7747.48523
m³/h
|
77
ft³/s
|
7849.42583
m³/h
|
78
ft³/s
|
7951.36643
m³/h
|
79
ft³/s
|
8053.30702
m³/h
|
80
ft³/s
|
8155.24762
m³/h
|
81
ft³/s
|
8257.18821
m³/h
|
82
ft³/s
|
8359.12881
m³/h
|
83
ft³/s
|
8461.0694
m³/h
|
84
ft³/s
|
8563.01
m³/h
|
85
ft³/s
|
8664.95059
m³/h
|
86
ft³/s
|
8766.89119
m³/h
|
87
ft³/s
|
8868.83178
m³/h
|
88
ft³/s
|
8970.77238
m³/h
|
89
ft³/s
|
9072.71297
m³/h
|
90
ft³/s
|
9174.65357
m³/h
|
91
ft³/s
|
9276.59416
m³/h
|
92
ft³/s
|
9378.53476
m³/h
|
93
ft³/s
|
9480.47535
m³/h
|
94
ft³/s
|
9582.41595
m³/h
|
95
ft³/s
|
9684.35654
m³/h
|
96
ft³/s
|
9786.29714
m³/h
|
97
ft³/s
|
9888.23773
m³/h
|
98
ft³/s
|
9990.17833
m³/h
|
99
ft³/s
|
10092.11892
m³/h
|
100
ft³/s
|
10194.05952
m³/h
|
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