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.
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.
Cubic inches per second | Cubic feet per minute |
---|---|
0
in³/s
|
0
ft³/min
|
10
in³/s
|
0.347221
ft³/min
|
20
in³/s
|
0.694442
ft³/min
|
30
in³/s
|
1.04166
ft³/min
|
40
in³/s
|
1.38888
ft³/min
|
50
in³/s
|
1.7361
ft³/min
|
60
in³/s
|
2.08332
ft³/min
|
70
in³/s
|
2.43055
ft³/min
|
80
in³/s
|
2.77777
ft³/min
|
90
in³/s
|
3.12499
ft³/min
|
100
in³/s
|
3.47221
ft³/min
|
110
in³/s
|
3.81943
ft³/min
|
120
in³/s
|
4.16665
ft³/min
|
130
in³/s
|
4.51387
ft³/min
|
140
in³/s
|
4.86109
ft³/min
|
150
in³/s
|
5.20831
ft³/min
|
160
in³/s
|
5.55553
ft³/min
|
170
in³/s
|
5.90275
ft³/min
|
180
in³/s
|
6.24997
ft³/min
|
190
in³/s
|
6.5972
ft³/min
|
200
in³/s
|
6.94442
ft³/min
|
210
in³/s
|
7.29164
ft³/min
|
220
in³/s
|
7.63886
ft³/min
|
230
in³/s
|
7.98608
ft³/min
|
240
in³/s
|
8.3333
ft³/min
|
250
in³/s
|
8.68052
ft³/min
|
260
in³/s
|
9.02774
ft³/min
|
270
in³/s
|
9.37496
ft³/min
|
280
in³/s
|
9.72218
ft³/min
|
290
in³/s
|
10.0694
ft³/min
|
300
in³/s
|
10.41662
ft³/min
|
310
in³/s
|
10.76384
ft³/min
|
320
in³/s
|
11.11107
ft³/min
|
330
in³/s
|
11.45829
ft³/min
|
340
in³/s
|
11.80551
ft³/min
|
350
in³/s
|
12.15273
ft³/min
|
360
in³/s
|
12.5
ft³/min
|
370
in³/s
|
12.84717
ft³/min
|
380
in³/s
|
13.19439
ft³/min
|
390
in³/s
|
13.54161
ft³/min
|
400
in³/s
|
13.88883
ft³/min
|
410
in³/s
|
14.23605
ft³/min
|
420
in³/s
|
14.58327
ft³/min
|
430
in³/s
|
14.93049
ft³/min
|
440
in³/s
|
15.27772
ft³/min
|
450
in³/s
|
15.62494
ft³/min
|
460
in³/s
|
15.97216
ft³/min
|
470
in³/s
|
16.31938
ft³/min
|
480
in³/s
|
16.6666
ft³/min
|
490
in³/s
|
17.01382
ft³/min
|
500
in³/s
|
17.36104
ft³/min
|
510
in³/s
|
17.70826
ft³/min
|
520
in³/s
|
18.05548
ft³/min
|
530
in³/s
|
18.4027
ft³/min
|
540
in³/s
|
18.74992
ft³/min
|
550
in³/s
|
19.09714
ft³/min
|
560
in³/s
|
19.44436
ft³/min
|
570
in³/s
|
19.79159
ft³/min
|
580
in³/s
|
20.13881
ft³/min
|
590
in³/s
|
20.48603
ft³/min
|
600
in³/s
|
20.83325
ft³/min
|
610
in³/s
|
21.18047
ft³/min
|
620
in³/s
|
21.52769
ft³/min
|
630
in³/s
|
21.87491
ft³/min
|
640
in³/s
|
22.22213
ft³/min
|
650
in³/s
|
22.56935
ft³/min
|
660
in³/s
|
22.91657
ft³/min
|
670
in³/s
|
23.26379
ft³/min
|
680
in³/s
|
23.61101
ft³/min
|
690
in³/s
|
23.95824
ft³/min
|
700
in³/s
|
24.30546
ft³/min
|
710
in³/s
|
24.65268
ft³/min
|
720
in³/s
|
25
ft³/min
|
730
in³/s
|
25.34712
ft³/min
|
740
in³/s
|
25.69434
ft³/min
|
750
in³/s
|
26.04156
ft³/min
|
760
in³/s
|
26.38878
ft³/min
|
770
in³/s
|
26.736
ft³/min
|
780
in³/s
|
27.08322
ft³/min
|
790
in³/s
|
27.43044
ft³/min
|
800
in³/s
|
27.77766
ft³/min
|
810
in³/s
|
28.12488
ft³/min
|
820
in³/s
|
28.47211
ft³/min
|
830
in³/s
|
28.81933
ft³/min
|
840
in³/s
|
29.16655
ft³/min
|
850
in³/s
|
29.51377
ft³/min
|
860
in³/s
|
29.86099
ft³/min
|
870
in³/s
|
30.20821
ft³/min
|
880
in³/s
|
30.55543
ft³/min
|
890
in³/s
|
30.90265
ft³/min
|
900
in³/s
|
31.24987
ft³/min
|
910
in³/s
|
31.59709
ft³/min
|
920
in³/s
|
31.94431
ft³/min
|
930
in³/s
|
32.29153
ft³/min
|
940
in³/s
|
32.63876
ft³/min
|
950
in³/s
|
32.98598
ft³/min
|
960
in³/s
|
33.3332
ft³/min
|
970
in³/s
|
33.68042
ft³/min
|
980
in³/s
|
34.02764
ft³/min
|
990
in³/s
|
34.37486
ft³/min
|
1000
in³/s
|
34.72208
ft³/min
|
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