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 meters per second (m³/s) is a compelling unit of measurement, primarily used to quantify the flow rate of liquid or gas. Often seen in the context of hydrology, it is crucial for understanding river discharges and the functioning of large-scale water supply systems. For instance, the Amazon River, the largest by discharge volume of water, has an average flow rate of about 209,000 m³/s. This sheer volume of water is equivalent to filling over 83 Olympic-size swimming pools every second!
In engineering, m³/s can determine the capacity of HVAC systems or the ventilation needs in building designs, especially in projects requiring meticulous climate control. Understanding flow rates in m³/s aids in improving efficiency across industries, ensuring resources are utilized effectively, and maintaining ecological balance in natural water bodies.
Cubic feet per minute | Cubic meters per second |
---|---|
0
ft³/min
|
0
m³/s
|
10
ft³/min
|
0.00471947
m³/s
|
20
ft³/min
|
0.00943894
m³/s
|
30
ft³/min
|
0.0141584
m³/s
|
40
ft³/min
|
0.0188779
m³/s
|
50
ft³/min
|
0.0235974
m³/s
|
60
ft³/min
|
0.0283168
m³/s
|
70
ft³/min
|
0.0330363
m³/s
|
80
ft³/min
|
0.0377558
m³/s
|
90
ft³/min
|
0.0424752
m³/s
|
100
ft³/min
|
0.0471947
m³/s
|
110
ft³/min
|
0.0519142
m³/s
|
120
ft³/min
|
0.0566337
m³/s
|
130
ft³/min
|
0.0613531
m³/s
|
140
ft³/min
|
0.0660726
m³/s
|
150
ft³/min
|
0.0707921
m³/s
|
160
ft³/min
|
0.0755116
m³/s
|
170
ft³/min
|
0.080231
m³/s
|
180
ft³/min
|
0.0849505
m³/s
|
190
ft³/min
|
0.08967
m³/s
|
200
ft³/min
|
0.0943894
m³/s
|
210
ft³/min
|
0.0991089
m³/s
|
220
ft³/min
|
0.103828
m³/s
|
230
ft³/min
|
0.108548
m³/s
|
240
ft³/min
|
0.113267
m³/s
|
250
ft³/min
|
0.117987
m³/s
|
260
ft³/min
|
0.122706
m³/s
|
270
ft³/min
|
0.127426
m³/s
|
280
ft³/min
|
0.132145
m³/s
|
290
ft³/min
|
0.136865
m³/s
|
300
ft³/min
|
0.141584
m³/s
|
310
ft³/min
|
0.146304
m³/s
|
320
ft³/min
|
0.151023
m³/s
|
330
ft³/min
|
0.155743
m³/s
|
340
ft³/min
|
0.160462
m³/s
|
350
ft³/min
|
0.165182
m³/s
|
360
ft³/min
|
0.169901
m³/s
|
370
ft³/min
|
0.17462
m³/s
|
380
ft³/min
|
0.17934
m³/s
|
390
ft³/min
|
0.184059
m³/s
|
400
ft³/min
|
0.188779
m³/s
|
410
ft³/min
|
0.193498
m³/s
|
420
ft³/min
|
0.198218
m³/s
|
430
ft³/min
|
0.202937
m³/s
|
440
ft³/min
|
0.207657
m³/s
|
450
ft³/min
|
0.212376
m³/s
|
460
ft³/min
|
0.217096
m³/s
|
470
ft³/min
|
0.221815
m³/s
|
480
ft³/min
|
0.226535
m³/s
|
490
ft³/min
|
0.231254
m³/s
|
500
ft³/min
|
0.235974
m³/s
|
510
ft³/min
|
0.240693
m³/s
|
520
ft³/min
|
0.245413
m³/s
|
530
ft³/min
|
0.250132
m³/s
|
540
ft³/min
|
0.254851
m³/s
|
550
ft³/min
|
0.259571
m³/s
|
560
ft³/min
|
0.26429
m³/s
|
570
ft³/min
|
0.26901
m³/s
|
580
ft³/min
|
0.273729
m³/s
|
590
ft³/min
|
0.278449
m³/s
|
600
ft³/min
|
0.283168
m³/s
|
610
ft³/min
|
0.287888
m³/s
|
620
ft³/min
|
0.292607
m³/s
|
630
ft³/min
|
0.297327
m³/s
|
640
ft³/min
|
0.302046
m³/s
|
650
ft³/min
|
0.306766
m³/s
|
660
ft³/min
|
0.311485
m³/s
|
670
ft³/min
|
0.316205
m³/s
|
680
ft³/min
|
0.320924
m³/s
|
690
ft³/min
|
0.325644
m³/s
|
700
ft³/min
|
0.330363
m³/s
|
710
ft³/min
|
0.335083
m³/s
|
720
ft³/min
|
0.339802
m³/s
|
730
ft³/min
|
0.344521
m³/s
|
740
ft³/min
|
0.349241
m³/s
|
750
ft³/min
|
0.35396
m³/s
|
760
ft³/min
|
0.35868
m³/s
|
770
ft³/min
|
0.363399
m³/s
|
780
ft³/min
|
0.368119
m³/s
|
790
ft³/min
|
0.372838
m³/s
|
800
ft³/min
|
0.377558
m³/s
|
810
ft³/min
|
0.382277
m³/s
|
820
ft³/min
|
0.386997
m³/s
|
830
ft³/min
|
0.391716
m³/s
|
840
ft³/min
|
0.396436
m³/s
|
850
ft³/min
|
0.401155
m³/s
|
860
ft³/min
|
0.405875
m³/s
|
870
ft³/min
|
0.410594
m³/s
|
880
ft³/min
|
0.415314
m³/s
|
890
ft³/min
|
0.420033
m³/s
|
900
ft³/min
|
0.424752
m³/s
|
910
ft³/min
|
0.429472
m³/s
|
920
ft³/min
|
0.434191
m³/s
|
930
ft³/min
|
0.438911
m³/s
|
940
ft³/min
|
0.44363
m³/s
|
950
ft³/min
|
0.44835
m³/s
|
960
ft³/min
|
0.453069
m³/s
|
970
ft³/min
|
0.457789
m³/s
|
980
ft³/min
|
0.462508
m³/s
|
990
ft³/min
|
0.467228
m³/s
|
1000
ft³/min
|
0.471947
m³/s
|
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