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.
A cubic decimeter per second (dm³/s) may seem obscure, but it plays a vital role in fluid dynamics and various engineering applications. This unit gauges the volumetric flow rate of liquids and gases, representing how much volume flows through a system every second. Just imagine filling up a one-liter bottle—because a cubic decimeter is equivalent to a liter—every second continuously!
Interestingly, this unit is crucial in understanding the efficiency of many everyday systems, such as water treatment plants, automotive fuel systems, and natural gas pipelines. The precise measurement ensures systems operate effectively, impacting everything from household plumbing to complex industrial processes. The use of such units seamlessly bridges everyday experiences with intricate scientific principles, showcasing the precision required in scientific and engineering calculations.
Cubic feet per minute | Cubic Decimeters per second |
---|---|
0
ft³/min
|
0
dm³/s
|
10
ft³/min
|
4.71947
dm³/s
|
20
ft³/min
|
9.43894
dm³/s
|
30
ft³/min
|
14.15842
dm³/s
|
40
ft³/min
|
18.87789
dm³/s
|
50
ft³/min
|
23.59736
dm³/s
|
60
ft³/min
|
28.31683
dm³/s
|
70
ft³/min
|
33.0363
dm³/s
|
80
ft³/min
|
37.75578
dm³/s
|
90
ft³/min
|
42.47525
dm³/s
|
100
ft³/min
|
47.19472
dm³/s
|
110
ft³/min
|
51.91419
dm³/s
|
120
ft³/min
|
56.63366
dm³/s
|
130
ft³/min
|
61.35314
dm³/s
|
140
ft³/min
|
66.07261
dm³/s
|
150
ft³/min
|
70.79208
dm³/s
|
160
ft³/min
|
75.51155
dm³/s
|
170
ft³/min
|
80.23102
dm³/s
|
180
ft³/min
|
84.9505
dm³/s
|
190
ft³/min
|
89.66997
dm³/s
|
200
ft³/min
|
94.38944
dm³/s
|
210
ft³/min
|
99.10891
dm³/s
|
220
ft³/min
|
103.82838
dm³/s
|
230
ft³/min
|
108.54786
dm³/s
|
240
ft³/min
|
113.26733
dm³/s
|
250
ft³/min
|
117.9868
dm³/s
|
260
ft³/min
|
122.70627
dm³/s
|
270
ft³/min
|
127.42574
dm³/s
|
280
ft³/min
|
132.14522
dm³/s
|
290
ft³/min
|
136.86469
dm³/s
|
300
ft³/min
|
141.58416
dm³/s
|
310
ft³/min
|
146.30363
dm³/s
|
320
ft³/min
|
151.0231
dm³/s
|
330
ft³/min
|
155.74258
dm³/s
|
340
ft³/min
|
160.46205
dm³/s
|
350
ft³/min
|
165.18152
dm³/s
|
360
ft³/min
|
169.90099
dm³/s
|
370
ft³/min
|
174.62046
dm³/s
|
380
ft³/min
|
179.33994
dm³/s
|
390
ft³/min
|
184.05941
dm³/s
|
400
ft³/min
|
188.77888
dm³/s
|
410
ft³/min
|
193.49835
dm³/s
|
420
ft³/min
|
198.21782
dm³/s
|
430
ft³/min
|
202.9373
dm³/s
|
440
ft³/min
|
207.65677
dm³/s
|
450
ft³/min
|
212.37624
dm³/s
|
460
ft³/min
|
217.09571
dm³/s
|
470
ft³/min
|
221.81518
dm³/s
|
480
ft³/min
|
226.53466
dm³/s
|
490
ft³/min
|
231.25413
dm³/s
|
500
ft³/min
|
235.9736
dm³/s
|
510
ft³/min
|
240.69307
dm³/s
|
520
ft³/min
|
245.41254
dm³/s
|
530
ft³/min
|
250.13202
dm³/s
|
540
ft³/min
|
254.85149
dm³/s
|
550
ft³/min
|
259.57096
dm³/s
|
560
ft³/min
|
264.29043
dm³/s
|
570
ft³/min
|
269.0099
dm³/s
|
580
ft³/min
|
273.72938
dm³/s
|
590
ft³/min
|
278.44885
dm³/s
|
600
ft³/min
|
283.16832
dm³/s
|
610
ft³/min
|
287.88779
dm³/s
|
620
ft³/min
|
292.60726
dm³/s
|
630
ft³/min
|
297.32674
dm³/s
|
640
ft³/min
|
302.04621
dm³/s
|
650
ft³/min
|
306.76568
dm³/s
|
660
ft³/min
|
311.48515
dm³/s
|
670
ft³/min
|
316.20462
dm³/s
|
680
ft³/min
|
320.9241
dm³/s
|
690
ft³/min
|
325.64357
dm³/s
|
700
ft³/min
|
330.36304
dm³/s
|
710
ft³/min
|
335.08251
dm³/s
|
720
ft³/min
|
339.80198
dm³/s
|
730
ft³/min
|
344.52146
dm³/s
|
740
ft³/min
|
349.24093
dm³/s
|
750
ft³/min
|
353.9604
dm³/s
|
760
ft³/min
|
358.67987
dm³/s
|
770
ft³/min
|
363.39934
dm³/s
|
780
ft³/min
|
368.11882
dm³/s
|
790
ft³/min
|
372.83829
dm³/s
|
800
ft³/min
|
377.55776
dm³/s
|
810
ft³/min
|
382.27723
dm³/s
|
820
ft³/min
|
386.9967
dm³/s
|
830
ft³/min
|
391.71618
dm³/s
|
840
ft³/min
|
396.43565
dm³/s
|
850
ft³/min
|
401.15512
dm³/s
|
860
ft³/min
|
405.87459
dm³/s
|
870
ft³/min
|
410.59406
dm³/s
|
880
ft³/min
|
415.31354
dm³/s
|
890
ft³/min
|
420.03301
dm³/s
|
900
ft³/min
|
424.75248
dm³/s
|
910
ft³/min
|
429.47195
dm³/s
|
920
ft³/min
|
434.19142
dm³/s
|
930
ft³/min
|
438.9109
dm³/s
|
940
ft³/min
|
443.63037
dm³/s
|
950
ft³/min
|
448.34984
dm³/s
|
960
ft³/min
|
453.06931
dm³/s
|
970
ft³/min
|
457.78878
dm³/s
|
980
ft³/min
|
462.50826
dm³/s
|
990
ft³/min
|
467.22773
dm³/s
|
1000
ft³/min
|
471.9472
dm³/s
|
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