The “Litre per second” (L/s) is a crucial unit in fluid dynamics, representing the flow rate of liquids. It is widely used in engineering, hydrology, and environmental science to measure water consumption, irrigation, and sewage treatment. For instance, high-performance showerheads can have flow rates approaching 0.1 to 0.2 L/s, translating to a refreshing and efficient bath.
In larger applications, such as hydroelectric plants, turbines can handle thousands of litres per second to generate energy, showcasing how scale affects its utility. The versatility of the L/s unit enables precise calculations and planning, crucial for managing water resources in a world where sustainability is paramount. Understanding flow rates can optimize resource use, conserving water and energy in both household and industrial environments.
“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.
| Litres per second | Gallons per second |
|---|---|
0
l/s
|
0
gal/s
|
1
l/s
|
0.264172
gal/s
|
2
l/s
|
0.528344
gal/s
|
3
l/s
|
0.792516
gal/s
|
4
l/s
|
1.05669
gal/s
|
5
l/s
|
1.32086
gal/s
|
6
l/s
|
1.58503
gal/s
|
7
l/s
|
1.8492
gal/s
|
8
l/s
|
2.11338
gal/s
|
9
l/s
|
2.37755
gal/s
|
10
l/s
|
2.64172
gal/s
|
11
l/s
|
2.90589
gal/s
|
12
l/s
|
3.17006
gal/s
|
13
l/s
|
3.43424
gal/s
|
14
l/s
|
3.69841
gal/s
|
15
l/s
|
3.96258
gal/s
|
16
l/s
|
4.22675
gal/s
|
17
l/s
|
4.49092
gal/s
|
18
l/s
|
4.7551
gal/s
|
19
l/s
|
5.01927
gal/s
|
20
l/s
|
5.28344
gal/s
|
21
l/s
|
5.54761
gal/s
|
22
l/s
|
5.81179
gal/s
|
23
l/s
|
6.07596
gal/s
|
24
l/s
|
6.34013
gal/s
|
25
l/s
|
6.6043
gal/s
|
26
l/s
|
6.86847
gal/s
|
27
l/s
|
7.13265
gal/s
|
28
l/s
|
7.39682
gal/s
|
29
l/s
|
7.66099
gal/s
|
30
l/s
|
7.92516
gal/s
|
31
l/s
|
8.18933
gal/s
|
32
l/s
|
8.45351
gal/s
|
33
l/s
|
8.71768
gal/s
|
34
l/s
|
8.98185
gal/s
|
35
l/s
|
9.24602
gal/s
|
36
l/s
|
9.51019
gal/s
|
37
l/s
|
9.77437
gal/s
|
38
l/s
|
10.03854
gal/s
|
39
l/s
|
10.30271
gal/s
|
40
l/s
|
10.56688
gal/s
|
41
l/s
|
10.83105
gal/s
|
42
l/s
|
11.09523
gal/s
|
43
l/s
|
11.3594
gal/s
|
44
l/s
|
11.62357
gal/s
|
45
l/s
|
11.88774
gal/s
|
46
l/s
|
12.15191
gal/s
|
47
l/s
|
12.41609
gal/s
|
48
l/s
|
12.68026
gal/s
|
49
l/s
|
12.94443
gal/s
|
50
l/s
|
13.2086
gal/s
|
51
l/s
|
13.47277
gal/s
|
52
l/s
|
13.73695
gal/s
|
53
l/s
|
14.00112
gal/s
|
54
l/s
|
14.26529
gal/s
|
55
l/s
|
14.52946
gal/s
|
56
l/s
|
14.79363
gal/s
|
57
l/s
|
15.05781
gal/s
|
58
l/s
|
15.32198
gal/s
|
59
l/s
|
15.58615
gal/s
|
60
l/s
|
15.85032
gal/s
|
61
l/s
|
16.1145
gal/s
|
62
l/s
|
16.37867
gal/s
|
63
l/s
|
16.64284
gal/s
|
64
l/s
|
16.90701
gal/s
|
65
l/s
|
17.17118
gal/s
|
66
l/s
|
17.43536
gal/s
|
67
l/s
|
17.69953
gal/s
|
68
l/s
|
17.9637
gal/s
|
69
l/s
|
18.22787
gal/s
|
70
l/s
|
18.49204
gal/s
|
71
l/s
|
18.75622
gal/s
|
72
l/s
|
19.02039
gal/s
|
73
l/s
|
19.28456
gal/s
|
74
l/s
|
19.54873
gal/s
|
75
l/s
|
19.8129
gal/s
|
76
l/s
|
20.07708
gal/s
|
77
l/s
|
20.34125
gal/s
|
78
l/s
|
20.60542
gal/s
|
79
l/s
|
20.86959
gal/s
|
80
l/s
|
21.13376
gal/s
|
81
l/s
|
21.39794
gal/s
|
82
l/s
|
21.66211
gal/s
|
83
l/s
|
21.92628
gal/s
|
84
l/s
|
22.19045
gal/s
|
85
l/s
|
22.45462
gal/s
|
86
l/s
|
22.7188
gal/s
|
87
l/s
|
22.98297
gal/s
|
88
l/s
|
23.24714
gal/s
|
89
l/s
|
23.51131
gal/s
|
90
l/s
|
23.77548
gal/s
|
91
l/s
|
24.03966
gal/s
|
92
l/s
|
24.30383
gal/s
|
93
l/s
|
24.568
gal/s
|
94
l/s
|
24.83217
gal/s
|
95
l/s
|
25.09634
gal/s
|
96
l/s
|
25.36052
gal/s
|
97
l/s
|
25.62469
gal/s
|
98
l/s
|
25.88886
gal/s
|
99
l/s
|
26.15303
gal/s
|
100
l/s
|
26.41721
gal/s
|
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