Litre per minute (L/min) is a versatile unit commonly used to measure fluid flow rate, especially in medical, engineering, and ecological contexts. For instance, in healthcare, oxygen delivery is typically measured in litres per minute, with high-flow systems delivering up to 15 L/min to aid patients with respiratory issues. In the world of engineering, especially when dealing with pumps and water devices, understanding flow rates in L/min is critical to ensuring efficient system performance and resource management.
Interestingly, measuring river flow in smaller streams also uses this unit. Understanding flow rates here is vital for environmental studies, revealing river health and predicting events like floods. Such diverse applications of litres per minute illustrate its essential role in both safeguarding human health and monitoring environmental ecosystems.
The cubic inch per second (in³/s) might seem like an obscure unit, but it plays a crucial role in various engineering and fluid dynamics applications. This unit measures volumetric flow rate, indicating how quickly a fluid moves through a system. While gallons or liters per minute might be more familiar, cubic inches per second offer precision in industries where small-scale fluid control is crucial, such as in microfluidics or precision-engineered machinery.
Intriguingly, the cubic inch, a prevalent measure in American automotive history, was key in defining engine sizes. Understanding flow rates in cubic inches per second can be vital when optimizing fuel or coolant systems in vintage cars. Its usage spans from classic car enthusiasts to cutting-edge technology in industrial systems, making it both historically significant and essential in modern engineering contexts.
| Litres per minute | Cubic inches per second |
|---|---|
0
l/min
|
0
in³/s
|
10
l/min
|
10.17067
in³/s
|
20
l/min
|
20.34134
in³/s
|
30
l/min
|
30.51201
in³/s
|
40
l/min
|
40.68268
in³/s
|
50
l/min
|
50.85335
in³/s
|
60
l/min
|
61.02403
in³/s
|
70
l/min
|
71.1947
in³/s
|
80
l/min
|
81.36537
in³/s
|
90
l/min
|
91.53604
in³/s
|
100
l/min
|
101.70671
in³/s
|
110
l/min
|
111.87738
in³/s
|
120
l/min
|
122.04805
in³/s
|
130
l/min
|
132.21872
in³/s
|
140
l/min
|
142.38939
in³/s
|
150
l/min
|
152.56006
in³/s
|
160
l/min
|
162.73073
in³/s
|
170
l/min
|
172.90141
in³/s
|
180
l/min
|
183.07208
in³/s
|
190
l/min
|
193.24275
in³/s
|
200
l/min
|
203.41342
in³/s
|
210
l/min
|
213.58409
in³/s
|
220
l/min
|
223.75476
in³/s
|
230
l/min
|
233.92543
in³/s
|
240
l/min
|
244.0961
in³/s
|
250
l/min
|
254.26677
in³/s
|
260
l/min
|
264.43744
in³/s
|
270
l/min
|
274.60811
in³/s
|
280
l/min
|
284.77879
in³/s
|
290
l/min
|
294.94946
in³/s
|
300
l/min
|
305.12013
in³/s
|
310
l/min
|
315.2908
in³/s
|
320
l/min
|
325.46147
in³/s
|
330
l/min
|
335.63214
in³/s
|
340
l/min
|
345.80281
in³/s
|
350
l/min
|
355.97348
in³/s
|
360
l/min
|
366.14415
in³/s
|
370
l/min
|
376.31482
in³/s
|
380
l/min
|
386.48549
in³/s
|
390
l/min
|
396.65616
in³/s
|
400
l/min
|
406.82684
in³/s
|
410
l/min
|
416.99751
in³/s
|
420
l/min
|
427.16818
in³/s
|
430
l/min
|
437.33885
in³/s
|
440
l/min
|
447.50952
in³/s
|
450
l/min
|
457.68019
in³/s
|
460
l/min
|
467.85086
in³/s
|
470
l/min
|
478.02153
in³/s
|
480
l/min
|
488.1922
in³/s
|
490
l/min
|
498.36287
in³/s
|
500
l/min
|
508.53354
in³/s
|
510
l/min
|
518.70422
in³/s
|
520
l/min
|
528.87489
in³/s
|
530
l/min
|
539.04556
in³/s
|
540
l/min
|
549.21623
in³/s
|
550
l/min
|
559.3869
in³/s
|
560
l/min
|
569.55757
in³/s
|
570
l/min
|
579.72824
in³/s
|
580
l/min
|
589.89891
in³/s
|
590
l/min
|
600.06958
in³/s
|
600
l/min
|
610.24025
in³/s
|
610
l/min
|
620.41092
in³/s
|
620
l/min
|
630.5816
in³/s
|
630
l/min
|
640.75227
in³/s
|
640
l/min
|
650.92294
in³/s
|
650
l/min
|
661.09361
in³/s
|
660
l/min
|
671.26428
in³/s
|
670
l/min
|
681.43495
in³/s
|
680
l/min
|
691.60562
in³/s
|
690
l/min
|
701.77629
in³/s
|
700
l/min
|
711.94696
in³/s
|
710
l/min
|
722.11763
in³/s
|
720
l/min
|
732.2883
in³/s
|
730
l/min
|
742.45898
in³/s
|
740
l/min
|
752.62965
in³/s
|
750
l/min
|
762.80032
in³/s
|
760
l/min
|
772.97099
in³/s
|
770
l/min
|
783.14166
in³/s
|
780
l/min
|
793.31233
in³/s
|
790
l/min
|
803.483
in³/s
|
800
l/min
|
813.65367
in³/s
|
810
l/min
|
823.82434
in³/s
|
820
l/min
|
833.99501
in³/s
|
830
l/min
|
844.16568
in³/s
|
840
l/min
|
854.33636
in³/s
|
850
l/min
|
864.50703
in³/s
|
860
l/min
|
874.6777
in³/s
|
870
l/min
|
884.84837
in³/s
|
880
l/min
|
895.01904
in³/s
|
890
l/min
|
905.18971
in³/s
|
900
l/min
|
915.36038
in³/s
|
910
l/min
|
925.53105
in³/s
|
920
l/min
|
935.70172
in³/s
|
930
l/min
|
945.87239
in³/s
|
940
l/min
|
956.04306
in³/s
|
950
l/min
|
966.21374
in³/s
|
960
l/min
|
976.38441
in³/s
|
970
l/min
|
986.55508
in³/s
|
980
l/min
|
996.72575
in³/s
|
990
l/min
|
1006.89642
in³/s
|
1000
l/min
|
1017.06709
in³/s
|
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