The kilogram per second (kg/s) is a fascinating unit of mass flow rate, representing the amount of mass passing through a reference point each second. It is especially crucial in fields like fluid dynamics and engineering, where understanding the rate at which mass moves through pipelines, engines, or reactors is vital for efficiency and safety.
In the context of a fire hose, a flow rate of around 10 kg/s is enough to fill a standard-sized bathtub in just one minute. On a larger scale, think of the vast rivers: the Amazon River, the planet’s largest, discharges water at an astounding rate of approximately 209,000 kg/s on average, offering a glimpse into the immense natural movements of mass and energy on Earth.
The unit “pound per second” (lb/s) is not just a primitive measure; it’s an essential component in the world of engineering and physics. It’s often utilized to quantify mass flow rates in systems involving fluid dynamics, such as fuel consumption in jet engines. Understanding this unit is crucial, as the efficiency and safety of high-speed transportation systems depend on precise calculations related to pound per second measurements.
While the metric system predominates globally, the pound per second emphasizes its significance primarily in the United States, where the customary system is still widespread. Interestingly, this unit connects everyday materials to vast industries, such as the U.S. Space Program, which must calculate rocket propellant flow rates with extreme precision, showcasing the intersection of everyday units with high-stakes applications.
Kilograms per second | Pounds per second |
---|---|
0
kg/s
|
0
lb/s
|
1
kg/s
|
2.20462
lb/s
|
2
kg/s
|
4.40925
lb/s
|
3
kg/s
|
6.61387
lb/s
|
4
kg/s
|
8.8185
lb/s
|
5
kg/s
|
11.02312
lb/s
|
6
kg/s
|
13.22775
lb/s
|
7
kg/s
|
15.43237
lb/s
|
8
kg/s
|
17.637
lb/s
|
9
kg/s
|
19.84162
lb/s
|
10
kg/s
|
22.04624
lb/s
|
11
kg/s
|
24.25087
lb/s
|
12
kg/s
|
26.45549
lb/s
|
13
kg/s
|
28.66012
lb/s
|
14
kg/s
|
30.86474
lb/s
|
15
kg/s
|
33.06937
lb/s
|
16
kg/s
|
35.27399
lb/s
|
17
kg/s
|
37.47862
lb/s
|
18
kg/s
|
39.68324
lb/s
|
19
kg/s
|
41.88786
lb/s
|
20
kg/s
|
44.09249
lb/s
|
21
kg/s
|
46.29711
lb/s
|
22
kg/s
|
48.50174
lb/s
|
23
kg/s
|
50.70636
lb/s
|
24
kg/s
|
52.91099
lb/s
|
25
kg/s
|
55.11561
lb/s
|
26
kg/s
|
57.32023
lb/s
|
27
kg/s
|
59.52486
lb/s
|
28
kg/s
|
61.72948
lb/s
|
29
kg/s
|
63.93411
lb/s
|
30
kg/s
|
66.13873
lb/s
|
31
kg/s
|
68.34336
lb/s
|
32
kg/s
|
70.54798
lb/s
|
33
kg/s
|
72.75261
lb/s
|
34
kg/s
|
74.95723
lb/s
|
35
kg/s
|
77.16185
lb/s
|
36
kg/s
|
79.36648
lb/s
|
37
kg/s
|
81.5711
lb/s
|
38
kg/s
|
83.77573
lb/s
|
39
kg/s
|
85.98035
lb/s
|
40
kg/s
|
88.18498
lb/s
|
41
kg/s
|
90.3896
lb/s
|
42
kg/s
|
92.59423
lb/s
|
43
kg/s
|
94.79885
lb/s
|
44
kg/s
|
97.00347
lb/s
|
45
kg/s
|
99.2081
lb/s
|
46
kg/s
|
101.41272
lb/s
|
47
kg/s
|
103.61735
lb/s
|
48
kg/s
|
105.82197
lb/s
|
49
kg/s
|
108.0266
lb/s
|
50
kg/s
|
110.23122
lb/s
|
51
kg/s
|
112.43585
lb/s
|
52
kg/s
|
114.64047
lb/s
|
53
kg/s
|
116.84509
lb/s
|
54
kg/s
|
119.04972
lb/s
|
55
kg/s
|
121.25434
lb/s
|
56
kg/s
|
123.45897
lb/s
|
57
kg/s
|
125.66359
lb/s
|
58
kg/s
|
127.86822
lb/s
|
59
kg/s
|
130.07284
lb/s
|
60
kg/s
|
132.27747
lb/s
|
61
kg/s
|
134.48209
lb/s
|
62
kg/s
|
136.68671
lb/s
|
63
kg/s
|
138.89134
lb/s
|
64
kg/s
|
141.09596
lb/s
|
65
kg/s
|
143.30059
lb/s
|
66
kg/s
|
145.50521
lb/s
|
67
kg/s
|
147.70984
lb/s
|
68
kg/s
|
149.91446
lb/s
|
69
kg/s
|
152.11908
lb/s
|
70
kg/s
|
154.32371
lb/s
|
71
kg/s
|
156.52833
lb/s
|
72
kg/s
|
158.73296
lb/s
|
73
kg/s
|
160.93758
lb/s
|
74
kg/s
|
163.14221
lb/s
|
75
kg/s
|
165.34683
lb/s
|
76
kg/s
|
167.55146
lb/s
|
77
kg/s
|
169.75608
lb/s
|
78
kg/s
|
171.9607
lb/s
|
79
kg/s
|
174.16533
lb/s
|
80
kg/s
|
176.36995
lb/s
|
81
kg/s
|
178.57458
lb/s
|
82
kg/s
|
180.7792
lb/s
|
83
kg/s
|
182.98383
lb/s
|
84
kg/s
|
185.18845
lb/s
|
85
kg/s
|
187.39308
lb/s
|
86
kg/s
|
189.5977
lb/s
|
87
kg/s
|
191.80232
lb/s
|
88
kg/s
|
194.00695
lb/s
|
89
kg/s
|
196.21157
lb/s
|
90
kg/s
|
198.4162
lb/s
|
91
kg/s
|
200.62082
lb/s
|
92
kg/s
|
202.82545
lb/s
|
93
kg/s
|
205.03007
lb/s
|
94
kg/s
|
207.2347
lb/s
|
95
kg/s
|
209.43932
lb/s
|
96
kg/s
|
211.64394
lb/s
|
97
kg/s
|
213.84857
lb/s
|
98
kg/s
|
216.05319
lb/s
|
99
kg/s
|
218.25782
lb/s
|
100
kg/s
|
220.46244
lb/s
|
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