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.
Cubic foot per minute (CFM) is a unit that measures the flow rate of air and is widely used in various industries, from HVAC systems to automotive engineering. Understanding CFM is crucial for designing efficient ventilation systems, as it determines how much air is circulated within a specific space per minute. But did you know that the origins of measuring air flow date back to the early 20th century? Back then, engineers realized the need for standardized measurements to ensure optimal air quality and comfortable living conditions, which led to the popularization of CFM as a standard metric.
Remarkably, one cubic foot of air at room temperature weighs about 0.0807 pounds. With this knowledge, professionals can precisely calibrate systems to achieve desired airflow rates, maximize energy efficiency, and improve air quality. Whether managing the air systems in skyscrapers, homes, or cars, CFM remains a pivotal unit for ensuring environments stay fresh and healthy.
Litres per minute | Cubic feet per minute |
---|---|
0
l/min
|
0
ft³/min
|
10
l/min
|
0.353147
ft³/min
|
20
l/min
|
0.706294
ft³/min
|
30
l/min
|
1.05944
ft³/min
|
40
l/min
|
1.41259
ft³/min
|
50
l/min
|
1.76573
ft³/min
|
60
l/min
|
2.11888
ft³/min
|
70
l/min
|
2.47203
ft³/min
|
80
l/min
|
2.82517
ft³/min
|
90
l/min
|
3.17832
ft³/min
|
100
l/min
|
3.53147
ft³/min
|
110
l/min
|
3.88462
ft³/min
|
120
l/min
|
4.23776
ft³/min
|
130
l/min
|
4.59091
ft³/min
|
140
l/min
|
4.94406
ft³/min
|
150
l/min
|
5.2972
ft³/min
|
160
l/min
|
5.65035
ft³/min
|
170
l/min
|
6.0035
ft³/min
|
180
l/min
|
6.35664
ft³/min
|
190
l/min
|
6.70979
ft³/min
|
200
l/min
|
7.06294
ft³/min
|
210
l/min
|
7.41608
ft³/min
|
220
l/min
|
7.76923
ft³/min
|
230
l/min
|
8.12238
ft³/min
|
240
l/min
|
8.47552
ft³/min
|
250
l/min
|
8.82867
ft³/min
|
260
l/min
|
9.18182
ft³/min
|
270
l/min
|
9.53496
ft³/min
|
280
l/min
|
9.88811
ft³/min
|
290
l/min
|
10.24126
ft³/min
|
300
l/min
|
10.59441
ft³/min
|
310
l/min
|
10.94755
ft³/min
|
320
l/min
|
11.3007
ft³/min
|
330
l/min
|
11.65385
ft³/min
|
340
l/min
|
12.00699
ft³/min
|
350
l/min
|
12.36014
ft³/min
|
360
l/min
|
12.71329
ft³/min
|
370
l/min
|
13.06643
ft³/min
|
380
l/min
|
13.41958
ft³/min
|
390
l/min
|
13.77273
ft³/min
|
400
l/min
|
14.12587
ft³/min
|
410
l/min
|
14.47902
ft³/min
|
420
l/min
|
14.83217
ft³/min
|
430
l/min
|
15.18531
ft³/min
|
440
l/min
|
15.53846
ft³/min
|
450
l/min
|
15.89161
ft³/min
|
460
l/min
|
16.24476
ft³/min
|
470
l/min
|
16.5979
ft³/min
|
480
l/min
|
16.95105
ft³/min
|
490
l/min
|
17.3042
ft³/min
|
500
l/min
|
17.65734
ft³/min
|
510
l/min
|
18.01049
ft³/min
|
520
l/min
|
18.36364
ft³/min
|
530
l/min
|
18.71678
ft³/min
|
540
l/min
|
19.06993
ft³/min
|
550
l/min
|
19.42308
ft³/min
|
560
l/min
|
19.77622
ft³/min
|
570
l/min
|
20.12937
ft³/min
|
580
l/min
|
20.48252
ft³/min
|
590
l/min
|
20.83566
ft³/min
|
600
l/min
|
21.18881
ft³/min
|
610
l/min
|
21.54196
ft³/min
|
620
l/min
|
21.8951
ft³/min
|
630
l/min
|
22.24825
ft³/min
|
640
l/min
|
22.6014
ft³/min
|
650
l/min
|
22.95455
ft³/min
|
660
l/min
|
23.30769
ft³/min
|
670
l/min
|
23.66084
ft³/min
|
680
l/min
|
24.01399
ft³/min
|
690
l/min
|
24.36713
ft³/min
|
700
l/min
|
24.72028
ft³/min
|
710
l/min
|
25.07343
ft³/min
|
720
l/min
|
25.42657
ft³/min
|
730
l/min
|
25.77972
ft³/min
|
740
l/min
|
26.13287
ft³/min
|
750
l/min
|
26.48601
ft³/min
|
760
l/min
|
26.83916
ft³/min
|
770
l/min
|
27.19231
ft³/min
|
780
l/min
|
27.54545
ft³/min
|
790
l/min
|
27.8986
ft³/min
|
800
l/min
|
28.25175
ft³/min
|
810
l/min
|
28.60489
ft³/min
|
820
l/min
|
28.95804
ft³/min
|
830
l/min
|
29.31119
ft³/min
|
840
l/min
|
29.66434
ft³/min
|
850
l/min
|
30.01748
ft³/min
|
860
l/min
|
30.37063
ft³/min
|
870
l/min
|
30.72378
ft³/min
|
880
l/min
|
31.07692
ft³/min
|
890
l/min
|
31.43007
ft³/min
|
900
l/min
|
31.78322
ft³/min
|
910
l/min
|
32.13636
ft³/min
|
920
l/min
|
32.48951
ft³/min
|
930
l/min
|
32.84266
ft³/min
|
940
l/min
|
33.1958
ft³/min
|
950
l/min
|
33.54895
ft³/min
|
960
l/min
|
33.9021
ft³/min
|
970
l/min
|
34.25524
ft³/min
|
980
l/min
|
34.60839
ft³/min
|
990
l/min
|
34.96154
ft³/min
|
1000
l/min
|
35.31468
ft³/min
|
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