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.
The unit “cubic yard per second” is a measure of volumetric flow rate, often used in engineering and hydrology to quantify the rate at which a volume of liquid, such as water, flows in a system. One cubic yard per second translates to an immense 764.555 liters per second, highlighting its utility in large-scale applications like river flow measurements or irrigation systems. To put it in perspective, this rate could fill an Olympic-sized swimming pool in roughly two hours!
In the 19th century, as industrial and municipal water demands increased, the mining sector and large-scale waterworks projects became some of the earliest adopters of the cubic yard per second. It’s a testament to how critical this unit has been in shaping water management practices around the world, ensuring efficient usage and distribution of this vital resource.
Cubic feet per minute | Cubic yards per second |
---|---|
0
ft³/min
|
0
yd³/s
|
10
ft³/min
|
0.00617283
yd³/s
|
20
ft³/min
|
0.0123457
yd³/s
|
30
ft³/min
|
0.0185185
yd³/s
|
40
ft³/min
|
0.0246913
yd³/s
|
50
ft³/min
|
0.0308642
yd³/s
|
60
ft³/min
|
0.037037
yd³/s
|
70
ft³/min
|
0.0432098
yd³/s
|
80
ft³/min
|
0.0493826
yd³/s
|
90
ft³/min
|
0.0555555
yd³/s
|
100
ft³/min
|
0.0617283
yd³/s
|
110
ft³/min
|
0.0679011
yd³/s
|
120
ft³/min
|
0.074074
yd³/s
|
130
ft³/min
|
0.0802468
yd³/s
|
140
ft³/min
|
0.0864196
yd³/s
|
150
ft³/min
|
0.0925925
yd³/s
|
160
ft³/min
|
0.0987653
yd³/s
|
170
ft³/min
|
0.104938
yd³/s
|
180
ft³/min
|
0.111111
yd³/s
|
190
ft³/min
|
0.117284
yd³/s
|
200
ft³/min
|
0.123457
yd³/s
|
210
ft³/min
|
0.129629
yd³/s
|
220
ft³/min
|
0.135802
yd³/s
|
230
ft³/min
|
0.141975
yd³/s
|
240
ft³/min
|
0.148148
yd³/s
|
250
ft³/min
|
0.154321
yd³/s
|
260
ft³/min
|
0.160494
yd³/s
|
270
ft³/min
|
0.166666
yd³/s
|
280
ft³/min
|
0.172839
yd³/s
|
290
ft³/min
|
0.179012
yd³/s
|
300
ft³/min
|
0.185185
yd³/s
|
310
ft³/min
|
0.191358
yd³/s
|
320
ft³/min
|
0.197531
yd³/s
|
330
ft³/min
|
0.203703
yd³/s
|
340
ft³/min
|
0.209876
yd³/s
|
350
ft³/min
|
0.216049
yd³/s
|
360
ft³/min
|
0.222222
yd³/s
|
370
ft³/min
|
0.228395
yd³/s
|
380
ft³/min
|
0.234568
yd³/s
|
390
ft³/min
|
0.24074
yd³/s
|
400
ft³/min
|
0.246913
yd³/s
|
410
ft³/min
|
0.253086
yd³/s
|
420
ft³/min
|
0.259259
yd³/s
|
430
ft³/min
|
0.265432
yd³/s
|
440
ft³/min
|
0.271605
yd³/s
|
450
ft³/min
|
0.277777
yd³/s
|
460
ft³/min
|
0.28395
yd³/s
|
470
ft³/min
|
0.290123
yd³/s
|
480
ft³/min
|
0.296296
yd³/s
|
490
ft³/min
|
0.302469
yd³/s
|
500
ft³/min
|
0.308642
yd³/s
|
510
ft³/min
|
0.314814
yd³/s
|
520
ft³/min
|
0.320987
yd³/s
|
530
ft³/min
|
0.32716
yd³/s
|
540
ft³/min
|
0.333333
yd³/s
|
550
ft³/min
|
0.339506
yd³/s
|
560
ft³/min
|
0.345679
yd³/s
|
570
ft³/min
|
0.351851
yd³/s
|
580
ft³/min
|
0.358024
yd³/s
|
590
ft³/min
|
0.364197
yd³/s
|
600
ft³/min
|
0.37037
yd³/s
|
610
ft³/min
|
0.376543
yd³/s
|
620
ft³/min
|
0.382715
yd³/s
|
630
ft³/min
|
0.388888
yd³/s
|
640
ft³/min
|
0.395061
yd³/s
|
650
ft³/min
|
0.401234
yd³/s
|
660
ft³/min
|
0.407407
yd³/s
|
670
ft³/min
|
0.41358
yd³/s
|
680
ft³/min
|
0.419752
yd³/s
|
690
ft³/min
|
0.425925
yd³/s
|
700
ft³/min
|
0.432098
yd³/s
|
710
ft³/min
|
0.438271
yd³/s
|
720
ft³/min
|
0.444444
yd³/s
|
730
ft³/min
|
0.450617
yd³/s
|
740
ft³/min
|
0.456789
yd³/s
|
750
ft³/min
|
0.462962
yd³/s
|
760
ft³/min
|
0.469135
yd³/s
|
770
ft³/min
|
0.475308
yd³/s
|
780
ft³/min
|
0.481481
yd³/s
|
790
ft³/min
|
0.487654
yd³/s
|
800
ft³/min
|
0.493826
yd³/s
|
810
ft³/min
|
0.499999
yd³/s
|
820
ft³/min
|
0.506172
yd³/s
|
830
ft³/min
|
0.512345
yd³/s
|
840
ft³/min
|
0.518518
yd³/s
|
850
ft³/min
|
0.524691
yd³/s
|
860
ft³/min
|
0.530863
yd³/s
|
870
ft³/min
|
0.537036
yd³/s
|
880
ft³/min
|
0.543209
yd³/s
|
890
ft³/min
|
0.549382
yd³/s
|
900
ft³/min
|
0.555555
yd³/s
|
910
ft³/min
|
0.561728
yd³/s
|
920
ft³/min
|
0.5679
yd³/s
|
930
ft³/min
|
0.574073
yd³/s
|
940
ft³/min
|
0.580246
yd³/s
|
950
ft³/min
|
0.586419
yd³/s
|
960
ft³/min
|
0.592592
yd³/s
|
970
ft³/min
|
0.598765
yd³/s
|
980
ft³/min
|
0.604937
yd³/s
|
990
ft³/min
|
0.61111
yd³/s
|
1000
ft³/min
|
0.617283
yd³/s
|
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