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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.

Did you know?

“Gallon per second” is a fascinating unit of flow rate often used in engineering and environmental studies to quantify the movement of liquids. It might surprise you that in the United States, the Imperial gallon conversion to seconds adds an intriguing complexity. The U.S. gallon, used primarily in this unit, is smaller than the Imperial gallon used in the UK. This difference can significantly impact calculations involving large-scale water management systems or river flows.

Historically, variations of the gallon were used to measure commodities, including beer and wine, creating a diverse heritage for this versatile unit. Imagine that a single gallon per second flow rate could fill an Olympic-sized swimming pool in just under 32 hours! Such conversions shed light on the immense scale of water flow in various applications, from plumbing to hydrology.

> Feet³ per second to Gallons per second Conversion Table

Cubic feet per second Gallons per second
0 ft³/s 0 gal/s
1 ft³/s 7.48052 gal/s
2 ft³/s 14.96103 gal/s
3 ft³/s 22.44155 gal/s
4 ft³/s 29.92206 gal/s
5 ft³/s 37.40258 gal/s
6 ft³/s 44.88309 gal/s
7 ft³/s 52.36361 gal/s
8 ft³/s 59.84413 gal/s
9 ft³/s 67.32464 gal/s
10 ft³/s 74.80516 gal/s
11 ft³/s 82.28567 gal/s
12 ft³/s 89.76619 gal/s
13 ft³/s 97.2467 gal/s
14 ft³/s 104.72722 gal/s
15 ft³/s 112.20773 gal/s
16 ft³/s 119.68825 gal/s
17 ft³/s 127.16877 gal/s
18 ft³/s 134.64928 gal/s
19 ft³/s 142.1298 gal/s
20 ft³/s 149.61031 gal/s
21 ft³/s 157.09083 gal/s
22 ft³/s 164.57134 gal/s
23 ft³/s 172.05186 gal/s
24 ft³/s 179.53238 gal/s
25 ft³/s 187.01289 gal/s
26 ft³/s 194.49341 gal/s
27 ft³/s 201.97392 gal/s
28 ft³/s 209.45444 gal/s
29 ft³/s 216.93495 gal/s
30 ft³/s 224.41547 gal/s
31 ft³/s 231.89598 gal/s
32 ft³/s 239.3765 gal/s
33 ft³/s 246.85702 gal/s
34 ft³/s 254.33753 gal/s
35 ft³/s 261.81805 gal/s
36 ft³/s 269.29856 gal/s
37 ft³/s 276.77908 gal/s
38 ft³/s 284.25959 gal/s
39 ft³/s 291.74011 gal/s
40 ft³/s 299.22063 gal/s
41 ft³/s 306.70114 gal/s
42 ft³/s 314.18166 gal/s
43 ft³/s 321.66217 gal/s
44 ft³/s 329.14269 gal/s
45 ft³/s 336.6232 gal/s
46 ft³/s 344.10372 gal/s
47 ft³/s 351.58423 gal/s
48 ft³/s 359.06475 gal/s
49 ft³/s 366.54527 gal/s
50 ft³/s 374.02578 gal/s
51 ft³/s 381.5063 gal/s
52 ft³/s 388.98681 gal/s
53 ft³/s 396.46733 gal/s
54 ft³/s 403.94784 gal/s
55 ft³/s 411.42836 gal/s
56 ft³/s 418.90888 gal/s
57 ft³/s 426.38939 gal/s
58 ft³/s 433.86991 gal/s
59 ft³/s 441.35042 gal/s
60 ft³/s 448.83094 gal/s
61 ft³/s 456.31145 gal/s
62 ft³/s 463.79197 gal/s
63 ft³/s 471.27248 gal/s
64 ft³/s 478.753 gal/s
65 ft³/s 486.23352 gal/s
66 ft³/s 493.71403 gal/s
67 ft³/s 501.19455 gal/s
68 ft³/s 508.67506 gal/s
69 ft³/s 516.15558 gal/s
70 ft³/s 523.63609 gal/s
71 ft³/s 531.11661 gal/s
72 ft³/s 538.59713 gal/s
73 ft³/s 546.07764 gal/s
74 ft³/s 553.55816 gal/s
75 ft³/s 561.03867 gal/s
76 ft³/s 568.51919 gal/s
77 ft³/s 576 gal/s
78 ft³/s 583.48022 gal/s
79 ft³/s 590.96073 gal/s
80 ft³/s 598.44125 gal/s
81 ft³/s 605.92177 gal/s
82 ft³/s 613.40228 gal/s
83 ft³/s 620.8828 gal/s
84 ft³/s 628.36331 gal/s
85 ft³/s 635.84383 gal/s
86 ft³/s 643.32434 gal/s
87 ft³/s 650.80486 gal/s
88 ft³/s 658.28538 gal/s
89 ft³/s 665.76589 gal/s
90 ft³/s 673.24641 gal/s
91 ft³/s 680.72692 gal/s
92 ft³/s 688.20744 gal/s
93 ft³/s 695.68795 gal/s
94 ft³/s 703.16847 gal/s
95 ft³/s 710.64898 gal/s
96 ft³/s 718.1295 gal/s
97 ft³/s 725.61002 gal/s
98 ft³/s 733.09053 gal/s
99 ft³/s 740.57105 gal/s
100 ft³/s 748.05156 gal/s

> Other Conversions

Conversion
Feet³ per second to Cubic Millimeters per second Go to converter
Feet³ per second to Cubic Centimeters per second Go to converter
Feet³ per second to Cubic Decimeters per second Go to converter
Feet³ per second to Cubic Decimeters per minute Go to converter
Feet³ per second to Cubic Decimeters per hour Go to converter
Feet³ per second to Cubic Decimeters per day Go to converter
Feet³ per second to Cubic Decimeters per year Go to converter
Feet³ per second to Millilitres per second Go to converter
Feet³ per second to Centilitres per second Go to converter
Feet³ per second to Decilitres per second Go to converter
Feet³ per second to Litres per second Go to converter
Feet³ per second to Litres per minute Go to converter
Feet³ per second to Litres per hour Go to converter
Feet³ per second to Litres per day Go to converter
Feet³ per second to Litres per year Go to converter
Feet³ per second to Kilolitres per second Go to converter
Feet³ per second to Kilolitres per minute Go to converter
Feet³ per second to Kilolitres per hour Go to converter
Feet³ per second to Cubic meters per second Go to converter
Feet³ per second to Cubic meters per minute Go to converter
Feet³ per second to Cubic meters per hour Go to converter
Feet³ per second to Cubic meters per day Go to converter
Feet³ per second to Cubic meters per year Go to converter
Feet³ per second to Cubic kilometers per second Go to converter
Feet³ per second to Teaspoons per second Go to converter
Feet³ per second to Tablespoons per second Go to converter
Feet³ per second to Cubic inches per second Go to converter
Feet³ per second to Cubic inches per minute Go to converter
Feet³ per second to Cubic inches per hour Go to converter
Feet³ per second to Fluid Ounces per second Go to converter
Feet³ per second to Fluid Ounces per minute Go to converter
Feet³ per second to Fluid Ounces per hour Go to converter
Feet³ per second to Cups per second Go to converter
Feet³ per second to Pints per second Go to converter
Feet³ per second to Pints per minute Go to converter
Feet³ per second to Pints per hour Go to converter
Feet³ per second to Quarts per second Go to converter
Feet³ per second to Gallons per minute Go to converter
Feet³ per second to Gallons per hour Go to converter
Feet³ per second to Cubic feet per minute Go to converter
Feet³ per second to Cubic feet per hour Go to converter
Feet³ per second to Cubic yards per second Go to converter
Feet³ per second to Cubic yards per minute Go to converter
Feet³ per second to Cubic yards per hour Go to converter