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.
The “cup per second” unit might seem reserved for the culinary world, but it can serve fascinating purposes beyond the kitchen. A cup per second is roughly equivalent to around 14.4 gallons per minute. Imagine filling an average swimming pool at this rate; it would take less than four hours to complete! Historically, fluid measurements like cups have roots in ancient times, with each culture adopting variations that suited their culinary and agricultural needs. In modern-day engineering, the cup per second measurement could be an engaging, albeit unconventional, way for expressing fluid flow in small-scale operations, such as artisanal breweries or boutique perfumeries, where precision and the allure of tradition often mingle.
| Litres per second | Cups per second |
|---|---|
0
l/s
|
0
cup/s
|
1
l/s
|
4.22675
cup/s
|
2
l/s
|
8.45351
cup/s
|
3
l/s
|
12.68026
cup/s
|
4
l/s
|
16.90701
cup/s
|
5
l/s
|
21.13376
cup/s
|
6
l/s
|
25.36052
cup/s
|
7
l/s
|
29.58727
cup/s
|
8
l/s
|
33.81402
cup/s
|
9
l/s
|
38.04078
cup/s
|
10
l/s
|
42.26753
cup/s
|
11
l/s
|
46.49428
cup/s
|
12
l/s
|
50.72103
cup/s
|
13
l/s
|
54.94779
cup/s
|
14
l/s
|
59.17454
cup/s
|
15
l/s
|
63.40129
cup/s
|
16
l/s
|
67.62805
cup/s
|
17
l/s
|
71.8548
cup/s
|
18
l/s
|
76.08155
cup/s
|
19
l/s
|
80.3083
cup/s
|
20
l/s
|
84.53506
cup/s
|
21
l/s
|
88.76181
cup/s
|
22
l/s
|
92.98856
cup/s
|
23
l/s
|
97.21532
cup/s
|
24
l/s
|
101.44207
cup/s
|
25
l/s
|
105.66882
cup/s
|
26
l/s
|
109.89557
cup/s
|
27
l/s
|
114.12233
cup/s
|
28
l/s
|
118.34908
cup/s
|
29
l/s
|
122.57583
cup/s
|
30
l/s
|
126.80259
cup/s
|
31
l/s
|
131.02934
cup/s
|
32
l/s
|
135.25609
cup/s
|
33
l/s
|
139.48284
cup/s
|
34
l/s
|
143.7096
cup/s
|
35
l/s
|
147.93635
cup/s
|
36
l/s
|
152.1631
cup/s
|
37
l/s
|
156.38985
cup/s
|
38
l/s
|
160.61661
cup/s
|
39
l/s
|
164.84336
cup/s
|
40
l/s
|
169.07011
cup/s
|
41
l/s
|
173.29687
cup/s
|
42
l/s
|
177.52362
cup/s
|
43
l/s
|
181.75037
cup/s
|
44
l/s
|
185.97712
cup/s
|
45
l/s
|
190.20388
cup/s
|
46
l/s
|
194.43063
cup/s
|
47
l/s
|
198.65738
cup/s
|
48
l/s
|
202.88414
cup/s
|
49
l/s
|
207.11089
cup/s
|
50
l/s
|
211.33764
cup/s
|
51
l/s
|
215.56439
cup/s
|
52
l/s
|
219.79115
cup/s
|
53
l/s
|
224.0179
cup/s
|
54
l/s
|
228.24465
cup/s
|
55
l/s
|
232.47141
cup/s
|
56
l/s
|
236.69816
cup/s
|
57
l/s
|
240.92491
cup/s
|
58
l/s
|
245.15166
cup/s
|
59
l/s
|
249.37842
cup/s
|
60
l/s
|
253.60517
cup/s
|
61
l/s
|
257.83192
cup/s
|
62
l/s
|
262.05868
cup/s
|
63
l/s
|
266.28543
cup/s
|
64
l/s
|
270.51218
cup/s
|
65
l/s
|
274.73893
cup/s
|
66
l/s
|
278.96569
cup/s
|
67
l/s
|
283.19244
cup/s
|
68
l/s
|
287.41919
cup/s
|
69
l/s
|
291.64595
cup/s
|
70
l/s
|
295.8727
cup/s
|
71
l/s
|
300.09945
cup/s
|
72
l/s
|
304.3262
cup/s
|
73
l/s
|
308.55296
cup/s
|
74
l/s
|
312.77971
cup/s
|
75
l/s
|
317.00646
cup/s
|
76
l/s
|
321.23322
cup/s
|
77
l/s
|
325.45997
cup/s
|
78
l/s
|
329.68672
cup/s
|
79
l/s
|
333.91347
cup/s
|
80
l/s
|
338.14023
cup/s
|
81
l/s
|
342.36698
cup/s
|
82
l/s
|
346.59373
cup/s
|
83
l/s
|
350.82049
cup/s
|
84
l/s
|
355.04724
cup/s
|
85
l/s
|
359.27399
cup/s
|
86
l/s
|
363.50074
cup/s
|
87
l/s
|
367.7275
cup/s
|
88
l/s
|
371.95425
cup/s
|
89
l/s
|
376.181
cup/s
|
90
l/s
|
380.40776
cup/s
|
91
l/s
|
384.63451
cup/s
|
92
l/s
|
388.86126
cup/s
|
93
l/s
|
393.08801
cup/s
|
94
l/s
|
397.31477
cup/s
|
95
l/s
|
401.54152
cup/s
|
96
l/s
|
405.76827
cup/s
|
97
l/s
|
409.99503
cup/s
|
98
l/s
|
414.22178
cup/s
|
99
l/s
|
418.44853
cup/s
|
100
l/s
|
422.67528
cup/s
|
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