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 “cubic meter per year” is a unit of volumetric flow rate that quantifies the amount of volume passing through a system in one year. This unit is often employed in contexts such as hydrology, where it measures the flow rates of rivers to assess water management and distribution. Imagine a single cubic meter cube—roughly the size of a dishwasher—passing by you once every year; it’s a stark reminder of the vast scale at which natural water systems operate.
Interestingly, this unit allows for the calculation of a river’s annual discharge, which can influence decisions related to agriculture, urban water supply, and environmental conservation. An understanding of flow rates on this scale contributes significantly to sustainable water resource management in different regions worldwide.
| Litres per second | Cubic meters per year |
|---|---|
0
l/s
|
0
m³/a
|
1
l/s
|
31557.6
m³/a
|
2
l/s
|
63115.2
m³/a
|
3
l/s
|
94672.8
m³/a
|
4
l/s
|
126230.4
m³/a
|
5
l/s
|
157788
m³/a
|
6
l/s
|
189345.6
m³/a
|
7
l/s
|
220903.2
m³/a
|
8
l/s
|
252460.8
m³/a
|
9
l/s
|
284018.4
m³/a
|
10
l/s
|
315576
m³/a
|
11
l/s
|
347133.6
m³/a
|
12
l/s
|
378691.2
m³/a
|
13
l/s
|
410248.8
m³/a
|
14
l/s
|
441806.4
m³/a
|
15
l/s
|
473364
m³/a
|
16
l/s
|
504921.6
m³/a
|
17
l/s
|
536479.2
m³/a
|
18
l/s
|
568036.8
m³/a
|
19
l/s
|
599594.4
m³/a
|
20
l/s
|
631152
m³/a
|
21
l/s
|
662709.6
m³/a
|
22
l/s
|
694267.2
m³/a
|
23
l/s
|
725824.8
m³/a
|
24
l/s
|
757382.4
m³/a
|
25
l/s
|
788940
m³/a
|
26
l/s
|
820497.6
m³/a
|
27
l/s
|
852055.2
m³/a
|
28
l/s
|
883612.8
m³/a
|
29
l/s
|
915170.4
m³/a
|
30
l/s
|
946728
m³/a
|
31
l/s
|
978285.6
m³/a
|
32
l/s
|
1009843.2
m³/a
|
33
l/s
|
1041400.8
m³/a
|
34
l/s
|
1072958.4
m³/a
|
35
l/s
|
1104516
m³/a
|
36
l/s
|
1136073.6
m³/a
|
37
l/s
|
1167631.2
m³/a
|
38
l/s
|
1199188.8
m³/a
|
39
l/s
|
1230746.4
m³/a
|
40
l/s
|
1262304
m³/a
|
41
l/s
|
1293861.6
m³/a
|
42
l/s
|
1325419.2
m³/a
|
43
l/s
|
1356976.8
m³/a
|
44
l/s
|
1388534.4
m³/a
|
45
l/s
|
1420092
m³/a
|
46
l/s
|
1451649.6
m³/a
|
47
l/s
|
1483207.2
m³/a
|
48
l/s
|
1514764.8
m³/a
|
49
l/s
|
1546322.4
m³/a
|
50
l/s
|
1577880
m³/a
|
51
l/s
|
1609437.6
m³/a
|
52
l/s
|
1640995.2
m³/a
|
53
l/s
|
1672552.8
m³/a
|
54
l/s
|
1704110.4
m³/a
|
55
l/s
|
1735668
m³/a
|
56
l/s
|
1767225.6
m³/a
|
57
l/s
|
1798783.2
m³/a
|
58
l/s
|
1830340.8
m³/a
|
59
l/s
|
1861898.4
m³/a
|
60
l/s
|
1893456
m³/a
|
61
l/s
|
1925013.6
m³/a
|
62
l/s
|
1956571.2
m³/a
|
63
l/s
|
1988128.8
m³/a
|
64
l/s
|
2019686.4
m³/a
|
65
l/s
|
2051244
m³/a
|
66
l/s
|
2082801.6
m³/a
|
67
l/s
|
2114359.2
m³/a
|
68
l/s
|
2145916.8
m³/a
|
69
l/s
|
2177474.4
m³/a
|
70
l/s
|
2209032
m³/a
|
71
l/s
|
2240589.6
m³/a
|
72
l/s
|
2272147.2
m³/a
|
73
l/s
|
2303704.8
m³/a
|
74
l/s
|
2335262.4
m³/a
|
75
l/s
|
2366820
m³/a
|
76
l/s
|
2398377.6
m³/a
|
77
l/s
|
2429935.2
m³/a
|
78
l/s
|
2461492.8
m³/a
|
79
l/s
|
2493050.4
m³/a
|
80
l/s
|
2524608
m³/a
|
81
l/s
|
2556165.6
m³/a
|
82
l/s
|
2587723.2
m³/a
|
83
l/s
|
2619280.8
m³/a
|
84
l/s
|
2650838.4
m³/a
|
85
l/s
|
2682396
m³/a
|
86
l/s
|
2713953.6
m³/a
|
87
l/s
|
2745511.2
m³/a
|
88
l/s
|
2777068.8
m³/a
|
89
l/s
|
2808626.4
m³/a
|
90
l/s
|
2840184
m³/a
|
91
l/s
|
2871741.6
m³/a
|
92
l/s
|
2903299.2
m³/a
|
93
l/s
|
2934856.8
m³/a
|
94
l/s
|
2966414.4
m³/a
|
95
l/s
|
2997972
m³/a
|
96
l/s
|
3029529.6
m³/a
|
97
l/s
|
3061087.2
m³/a
|
98
l/s
|
3092644.8
m³/a
|
99
l/s
|
3124202.4
m³/a
|
100
l/s
|
3155760
m³/a
|
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