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 pint per second unit may not seem familiar to some, but it’s a fascinating measure of flow rate, primarily used to quantify liquid flow in a system. Originating from the British Imperial system, a pint per second represents the volume of one pint flowing through a conduit every second. While we often think about flow rates in terms of liters per second or gallons per hour, pint per second can be a useful measure for smaller-scale applications, especially in culinary or laboratory settings.
Interestingly, the concept of flow rate is crucial in various industries, from chemical processing to beverage dispensing. Consider beer taps at a busy pub; they might be designed to achieve an optimal flow rate, ensuring a pint of beer is expertly poured in a matter of seconds, balancing speed and quality to create the perfect pour.
| Litres per second | Pints per second |
|---|---|
0
l/s
|
0
pnt/s
|
1
l/s
|
2.11338
pnt/s
|
2
l/s
|
4.22675
pnt/s
|
3
l/s
|
6.34013
pnt/s
|
4
l/s
|
8.45351
pnt/s
|
5
l/s
|
10.56688
pnt/s
|
6
l/s
|
12.68026
pnt/s
|
7
l/s
|
14.79363
pnt/s
|
8
l/s
|
16.90701
pnt/s
|
9
l/s
|
19.02039
pnt/s
|
10
l/s
|
21.13376
pnt/s
|
11
l/s
|
23.24714
pnt/s
|
12
l/s
|
25.36052
pnt/s
|
13
l/s
|
27.47389
pnt/s
|
14
l/s
|
29.58727
pnt/s
|
15
l/s
|
31.70065
pnt/s
|
16
l/s
|
33.81402
pnt/s
|
17
l/s
|
35.9274
pnt/s
|
18
l/s
|
38.04078
pnt/s
|
19
l/s
|
40.15415
pnt/s
|
20
l/s
|
42.26753
pnt/s
|
21
l/s
|
44.3809
pnt/s
|
22
l/s
|
46.49428
pnt/s
|
23
l/s
|
48.60766
pnt/s
|
24
l/s
|
50.72103
pnt/s
|
25
l/s
|
52.83441
pnt/s
|
26
l/s
|
54.94779
pnt/s
|
27
l/s
|
57.06116
pnt/s
|
28
l/s
|
59.17454
pnt/s
|
29
l/s
|
61.28792
pnt/s
|
30
l/s
|
63.40129
pnt/s
|
31
l/s
|
65.51467
pnt/s
|
32
l/s
|
67.62805
pnt/s
|
33
l/s
|
69.74142
pnt/s
|
34
l/s
|
71.8548
pnt/s
|
35
l/s
|
73.96817
pnt/s
|
36
l/s
|
76.08155
pnt/s
|
37
l/s
|
78.19493
pnt/s
|
38
l/s
|
80.3083
pnt/s
|
39
l/s
|
82.42168
pnt/s
|
40
l/s
|
84.53506
pnt/s
|
41
l/s
|
86.64843
pnt/s
|
42
l/s
|
88.76181
pnt/s
|
43
l/s
|
90.87519
pnt/s
|
44
l/s
|
92.98856
pnt/s
|
45
l/s
|
95.10194
pnt/s
|
46
l/s
|
97.21532
pnt/s
|
47
l/s
|
99.32869
pnt/s
|
48
l/s
|
101.44207
pnt/s
|
49
l/s
|
103.55544
pnt/s
|
50
l/s
|
105.66882
pnt/s
|
51
l/s
|
107.7822
pnt/s
|
52
l/s
|
109.89557
pnt/s
|
53
l/s
|
112.00895
pnt/s
|
54
l/s
|
114.12233
pnt/s
|
55
l/s
|
116.2357
pnt/s
|
56
l/s
|
118.34908
pnt/s
|
57
l/s
|
120.46246
pnt/s
|
58
l/s
|
122.57583
pnt/s
|
59
l/s
|
124.68921
pnt/s
|
60
l/s
|
126.80259
pnt/s
|
61
l/s
|
128.91596
pnt/s
|
62
l/s
|
131.02934
pnt/s
|
63
l/s
|
133.14271
pnt/s
|
64
l/s
|
135.25609
pnt/s
|
65
l/s
|
137.36947
pnt/s
|
66
l/s
|
139.48284
pnt/s
|
67
l/s
|
141.59622
pnt/s
|
68
l/s
|
143.7096
pnt/s
|
69
l/s
|
145.82297
pnt/s
|
70
l/s
|
147.93635
pnt/s
|
71
l/s
|
150.04973
pnt/s
|
72
l/s
|
152.1631
pnt/s
|
73
l/s
|
154.27648
pnt/s
|
74
l/s
|
156.38985
pnt/s
|
75
l/s
|
158.50323
pnt/s
|
76
l/s
|
160.61661
pnt/s
|
77
l/s
|
162.72998
pnt/s
|
78
l/s
|
164.84336
pnt/s
|
79
l/s
|
166.95674
pnt/s
|
80
l/s
|
169.07011
pnt/s
|
81
l/s
|
171.18349
pnt/s
|
82
l/s
|
173.29687
pnt/s
|
83
l/s
|
175.41024
pnt/s
|
84
l/s
|
177.52362
pnt/s
|
85
l/s
|
179.637
pnt/s
|
86
l/s
|
181.75037
pnt/s
|
87
l/s
|
183.86375
pnt/s
|
88
l/s
|
185.97712
pnt/s
|
89
l/s
|
188.0905
pnt/s
|
90
l/s
|
190.20388
pnt/s
|
91
l/s
|
192.31725
pnt/s
|
92
l/s
|
194.43063
pnt/s
|
93
l/s
|
196.54401
pnt/s
|
94
l/s
|
198.65738
pnt/s
|
95
l/s
|
200.77076
pnt/s
|
96
l/s
|
202.88414
pnt/s
|
97
l/s
|
204.99751
pnt/s
|
98
l/s
|
207.11089
pnt/s
|
99
l/s
|
209.22427
pnt/s
|
100
l/s
|
211.33764
pnt/s
|
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