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 cubic decimeter per second (dm³/s) may seem obscure, but it plays a vital role in fluid dynamics and various engineering applications. This unit gauges the volumetric flow rate of liquids and gases, representing how much volume flows through a system every second. Just imagine filling up a one-liter bottle—because a cubic decimeter is equivalent to a liter—every second continuously!
Interestingly, this unit is crucial in understanding the efficiency of many everyday systems, such as water treatment plants, automotive fuel systems, and natural gas pipelines. The precise measurement ensures systems operate effectively, impacting everything from household plumbing to complex industrial processes. The use of such units seamlessly bridges everyday experiences with intricate scientific principles, showcasing the precision required in scientific and engineering calculations.
| Cubic feet per second | Cubic Decimeters per second |
|---|---|
0
ft³/s
|
0
dm³/s
|
1
ft³/s
|
28.31683
dm³/s
|
2
ft³/s
|
56.63366
dm³/s
|
3
ft³/s
|
84.9505
dm³/s
|
4
ft³/s
|
113.26733
dm³/s
|
5
ft³/s
|
141.58416
dm³/s
|
6
ft³/s
|
169.90099
dm³/s
|
7
ft³/s
|
198.21782
dm³/s
|
8
ft³/s
|
226.53466
dm³/s
|
9
ft³/s
|
254.85149
dm³/s
|
10
ft³/s
|
283.16832
dm³/s
|
11
ft³/s
|
311.48515
dm³/s
|
12
ft³/s
|
339.80198
dm³/s
|
13
ft³/s
|
368.11882
dm³/s
|
14
ft³/s
|
396.43565
dm³/s
|
15
ft³/s
|
424.75248
dm³/s
|
16
ft³/s
|
453.06931
dm³/s
|
17
ft³/s
|
481.38614
dm³/s
|
18
ft³/s
|
509.70298
dm³/s
|
19
ft³/s
|
538.01981
dm³/s
|
20
ft³/s
|
566.33664
dm³/s
|
21
ft³/s
|
594.65347
dm³/s
|
22
ft³/s
|
622.9703
dm³/s
|
23
ft³/s
|
651.28714
dm³/s
|
24
ft³/s
|
679.60397
dm³/s
|
25
ft³/s
|
707.9208
dm³/s
|
26
ft³/s
|
736.23763
dm³/s
|
27
ft³/s
|
764.55446
dm³/s
|
28
ft³/s
|
792.8713
dm³/s
|
29
ft³/s
|
821.18813
dm³/s
|
30
ft³/s
|
849.50496
dm³/s
|
31
ft³/s
|
877.82179
dm³/s
|
32
ft³/s
|
906.13862
dm³/s
|
33
ft³/s
|
934.45546
dm³/s
|
34
ft³/s
|
962.77229
dm³/s
|
35
ft³/s
|
991.08912
dm³/s
|
36
ft³/s
|
1019.40595
dm³/s
|
37
ft³/s
|
1047.72278
dm³/s
|
38
ft³/s
|
1076.03962
dm³/s
|
39
ft³/s
|
1104.35645
dm³/s
|
40
ft³/s
|
1132.67328
dm³/s
|
41
ft³/s
|
1160.99011
dm³/s
|
42
ft³/s
|
1189.30694
dm³/s
|
43
ft³/s
|
1217.62378
dm³/s
|
44
ft³/s
|
1245.94061
dm³/s
|
45
ft³/s
|
1274.25744
dm³/s
|
46
ft³/s
|
1302.57427
dm³/s
|
47
ft³/s
|
1330.8911
dm³/s
|
48
ft³/s
|
1359.20794
dm³/s
|
49
ft³/s
|
1387.52477
dm³/s
|
50
ft³/s
|
1415.8416
dm³/s
|
51
ft³/s
|
1444.15843
dm³/s
|
52
ft³/s
|
1472.47526
dm³/s
|
53
ft³/s
|
1500.7921
dm³/s
|
54
ft³/s
|
1529.10893
dm³/s
|
55
ft³/s
|
1557.42576
dm³/s
|
56
ft³/s
|
1585.74259
dm³/s
|
57
ft³/s
|
1614.05942
dm³/s
|
58
ft³/s
|
1642.37626
dm³/s
|
59
ft³/s
|
1670.69309
dm³/s
|
60
ft³/s
|
1699.00992
dm³/s
|
61
ft³/s
|
1727.32675
dm³/s
|
62
ft³/s
|
1755.64358
dm³/s
|
63
ft³/s
|
1783.96042
dm³/s
|
64
ft³/s
|
1812.27725
dm³/s
|
65
ft³/s
|
1840.59408
dm³/s
|
66
ft³/s
|
1868.91091
dm³/s
|
67
ft³/s
|
1897.22774
dm³/s
|
68
ft³/s
|
1925.54458
dm³/s
|
69
ft³/s
|
1953.86141
dm³/s
|
70
ft³/s
|
1982.17824
dm³/s
|
71
ft³/s
|
2010.49507
dm³/s
|
72
ft³/s
|
2038.8119
dm³/s
|
73
ft³/s
|
2067.12874
dm³/s
|
74
ft³/s
|
2095.44557
dm³/s
|
75
ft³/s
|
2123.7624
dm³/s
|
76
ft³/s
|
2152.07923
dm³/s
|
77
ft³/s
|
2180.39606
dm³/s
|
78
ft³/s
|
2208.7129
dm³/s
|
79
ft³/s
|
2237.02973
dm³/s
|
80
ft³/s
|
2265.34656
dm³/s
|
81
ft³/s
|
2293.66339
dm³/s
|
82
ft³/s
|
2321.98022
dm³/s
|
83
ft³/s
|
2350.29706
dm³/s
|
84
ft³/s
|
2378.61389
dm³/s
|
85
ft³/s
|
2406.93072
dm³/s
|
86
ft³/s
|
2435.24755
dm³/s
|
87
ft³/s
|
2463.56438
dm³/s
|
88
ft³/s
|
2491.88122
dm³/s
|
89
ft³/s
|
2520.19805
dm³/s
|
90
ft³/s
|
2548.51488
dm³/s
|
91
ft³/s
|
2576.83171
dm³/s
|
92
ft³/s
|
2605.14854
dm³/s
|
93
ft³/s
|
2633.46538
dm³/s
|
94
ft³/s
|
2661.78221
dm³/s
|
95
ft³/s
|
2690.09904
dm³/s
|
96
ft³/s
|
2718.41587
dm³/s
|
97
ft³/s
|
2746.7327
dm³/s
|
98
ft³/s
|
2775.04954
dm³/s
|
99
ft³/s
|
2803.36637
dm³/s
|
100
ft³/s
|
2831.6832
dm³/s
|
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