Cubic meters per second (m³/s) is a compelling unit of measurement, primarily used to quantify the flow rate of liquid or gas. Often seen in the context of hydrology, it is crucial for understanding river discharges and the functioning of large-scale water supply systems. For instance, the Amazon River, the largest by discharge volume of water, has an average flow rate of about 209,000 m³/s. This sheer volume of water is equivalent to filling over 83 Olympic-size swimming pools every second!
In engineering, m³/s can determine the capacity of HVAC systems or the ventilation needs in building designs, especially in projects requiring meticulous climate control. Understanding flow rates in m³/s aids in improving efficiency across industries, ensuring resources are utilized effectively, and maintaining ecological balance in natural water bodies.
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 meters per second | Cubic feet per second |
---|---|
0
m³/s
|
0
ft³/s
|
1
m³/s
|
35.31468
ft³/s
|
2
m³/s
|
70.62937
ft³/s
|
3
m³/s
|
105.94405
ft³/s
|
4
m³/s
|
141.25874
ft³/s
|
5
m³/s
|
176.57342
ft³/s
|
6
m³/s
|
211.88811
ft³/s
|
7
m³/s
|
247.20279
ft³/s
|
8
m³/s
|
282.51748
ft³/s
|
9
m³/s
|
317.83216
ft³/s
|
10
m³/s
|
353.14685
ft³/s
|
11
m³/s
|
388.46153
ft³/s
|
12
m³/s
|
423.77622
ft³/s
|
13
m³/s
|
459.0909
ft³/s
|
14
m³/s
|
494.40559
ft³/s
|
15
m³/s
|
529.72027
ft³/s
|
16
m³/s
|
565.03496
ft³/s
|
17
m³/s
|
600.34964
ft³/s
|
18
m³/s
|
635.66433
ft³/s
|
19
m³/s
|
670.97901
ft³/s
|
20
m³/s
|
706.2937
ft³/s
|
21
m³/s
|
741.60838
ft³/s
|
22
m³/s
|
776.92307
ft³/s
|
23
m³/s
|
812.23775
ft³/s
|
24
m³/s
|
847.55244
ft³/s
|
25
m³/s
|
882.86712
ft³/s
|
26
m³/s
|
918.18181
ft³/s
|
27
m³/s
|
953.49649
ft³/s
|
28
m³/s
|
988.81118
ft³/s
|
29
m³/s
|
1024.12586
ft³/s
|
30
m³/s
|
1059.44055
ft³/s
|
31
m³/s
|
1094.75523
ft³/s
|
32
m³/s
|
1130.06992
ft³/s
|
33
m³/s
|
1165.3846
ft³/s
|
34
m³/s
|
1200.69929
ft³/s
|
35
m³/s
|
1236.01397
ft³/s
|
36
m³/s
|
1271.32866
ft³/s
|
37
m³/s
|
1306.64334
ft³/s
|
38
m³/s
|
1341.95803
ft³/s
|
39
m³/s
|
1377.27271
ft³/s
|
40
m³/s
|
1412.5874
ft³/s
|
41
m³/s
|
1447.90208
ft³/s
|
42
m³/s
|
1483.21677
ft³/s
|
43
m³/s
|
1518.53145
ft³/s
|
44
m³/s
|
1553.84614
ft³/s
|
45
m³/s
|
1589.16082
ft³/s
|
46
m³/s
|
1624.47551
ft³/s
|
47
m³/s
|
1659.79019
ft³/s
|
48
m³/s
|
1695.10488
ft³/s
|
49
m³/s
|
1730.41956
ft³/s
|
50
m³/s
|
1765.73425
ft³/s
|
51
m³/s
|
1801.04893
ft³/s
|
52
m³/s
|
1836.36362
ft³/s
|
53
m³/s
|
1871.6783
ft³/s
|
54
m³/s
|
1906.99299
ft³/s
|
55
m³/s
|
1942.30767
ft³/s
|
56
m³/s
|
1977.62236
ft³/s
|
57
m³/s
|
2012.93704
ft³/s
|
58
m³/s
|
2048.25173
ft³/s
|
59
m³/s
|
2083.56641
ft³/s
|
60
m³/s
|
2118.8811
ft³/s
|
61
m³/s
|
2154.19578
ft³/s
|
62
m³/s
|
2189.51047
ft³/s
|
63
m³/s
|
2224.82515
ft³/s
|
64
m³/s
|
2260.13983
ft³/s
|
65
m³/s
|
2295.45452
ft³/s
|
66
m³/s
|
2330.7692
ft³/s
|
67
m³/s
|
2366.08389
ft³/s
|
68
m³/s
|
2401.39857
ft³/s
|
69
m³/s
|
2436.71326
ft³/s
|
70
m³/s
|
2472.02794
ft³/s
|
71
m³/s
|
2507.34263
ft³/s
|
72
m³/s
|
2542.65731
ft³/s
|
73
m³/s
|
2577.972
ft³/s
|
74
m³/s
|
2613.28668
ft³/s
|
75
m³/s
|
2648.60137
ft³/s
|
76
m³/s
|
2683.91605
ft³/s
|
77
m³/s
|
2719.23074
ft³/s
|
78
m³/s
|
2754.54542
ft³/s
|
79
m³/s
|
2789.86011
ft³/s
|
80
m³/s
|
2825.17479
ft³/s
|
81
m³/s
|
2860.48948
ft³/s
|
82
m³/s
|
2895.80416
ft³/s
|
83
m³/s
|
2931.11885
ft³/s
|
84
m³/s
|
2966.43353
ft³/s
|
85
m³/s
|
3001.74822
ft³/s
|
86
m³/s
|
3037.0629
ft³/s
|
87
m³/s
|
3072.37759
ft³/s
|
88
m³/s
|
3107.69227
ft³/s
|
89
m³/s
|
3143.00696
ft³/s
|
90
m³/s
|
3178.32164
ft³/s
|
91
m³/s
|
3213.63633
ft³/s
|
92
m³/s
|
3248.95101
ft³/s
|
93
m³/s
|
3284.2657
ft³/s
|
94
m³/s
|
3319.58038
ft³/s
|
95
m³/s
|
3354.89507
ft³/s
|
96
m³/s
|
3390.20975
ft³/s
|
97
m³/s
|
3425.52444
ft³/s
|
98
m³/s
|
3460.83912
ft³/s
|
99
m³/s
|
3496.15381
ft³/s
|
100
m³/s
|
3531.46849
ft³/s
|
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