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 yards per hour is a unit commonly used to measure the flow rate of bulk materials, such as soil, concrete, or grains, making it essential in industries like construction and agriculture. Picture a large dump truck being filled in an hour; this metric can determine how efficiently materials are moved or processed in projects. Interestingly, despite its practicality, this unit blends the realms of volume and time, offering a dynamic overview of work pace and operational efficiency.
Historically, such measurements have contributed to monumental projects like the construction of canals and large-scale infrastructure where controlling the rate of material movement ensured timely completion. Understanding and leveraging cubic yards per hour is crucial in optimizing resource allocation and project scheduling.
Cubic feet per minute | Cubic yards per hour |
---|---|
0
ft³/min
|
0
yd³/h
|
10
ft³/min
|
22.22219
yd³/h
|
20
ft³/min
|
44.44438
yd³/h
|
30
ft³/min
|
66.66657
yd³/h
|
40
ft³/min
|
88.88876
yd³/h
|
50
ft³/min
|
111.11095
yd³/h
|
60
ft³/min
|
133.33314
yd³/h
|
70
ft³/min
|
155.55533
yd³/h
|
80
ft³/min
|
177.77752
yd³/h
|
90
ft³/min
|
200
yd³/h
|
100
ft³/min
|
222.2219
yd³/h
|
110
ft³/min
|
244.44409
yd³/h
|
120
ft³/min
|
266.66627
yd³/h
|
130
ft³/min
|
288.88846
yd³/h
|
140
ft³/min
|
311.11065
yd³/h
|
150
ft³/min
|
333.33284
yd³/h
|
160
ft³/min
|
355.55503
yd³/h
|
170
ft³/min
|
377.77722
yd³/h
|
180
ft³/min
|
400
yd³/h
|
190
ft³/min
|
422.2216
yd³/h
|
200
ft³/min
|
444.44379
yd³/h
|
210
ft³/min
|
466.66598
yd³/h
|
220
ft³/min
|
488.88817
yd³/h
|
230
ft³/min
|
511.11036
yd³/h
|
240
ft³/min
|
533.33255
yd³/h
|
250
ft³/min
|
555.55474
yd³/h
|
260
ft³/min
|
577.77693
yd³/h
|
270
ft³/min
|
600
yd³/h
|
280
ft³/min
|
622.22131
yd³/h
|
290
ft³/min
|
644.4435
yd³/h
|
300
ft³/min
|
666.66569
yd³/h
|
310
ft³/min
|
688.88788
yd³/h
|
320
ft³/min
|
711.11007
yd³/h
|
330
ft³/min
|
733.33226
yd³/h
|
340
ft³/min
|
755.55444
yd³/h
|
350
ft³/min
|
777.77663
yd³/h
|
360
ft³/min
|
799.99882
yd³/h
|
370
ft³/min
|
822.22101
yd³/h
|
380
ft³/min
|
844.4432
yd³/h
|
390
ft³/min
|
866.66539
yd³/h
|
400
ft³/min
|
888.88758
yd³/h
|
410
ft³/min
|
911.10977
yd³/h
|
420
ft³/min
|
933.33196
yd³/h
|
430
ft³/min
|
955.55415
yd³/h
|
440
ft³/min
|
977.77634
yd³/h
|
450
ft³/min
|
999.99853
yd³/h
|
460
ft³/min
|
1022.22072
yd³/h
|
470
ft³/min
|
1044.44291
yd³/h
|
480
ft³/min
|
1066.6651
yd³/h
|
490
ft³/min
|
1088.88729
yd³/h
|
500
ft³/min
|
1111.10948
yd³/h
|
510
ft³/min
|
1133.33167
yd³/h
|
520
ft³/min
|
1155.55386
yd³/h
|
530
ft³/min
|
1177.77605
yd³/h
|
540
ft³/min
|
1199.99824
yd³/h
|
550
ft³/min
|
1222.22043
yd³/h
|
560
ft³/min
|
1244.44262
yd³/h
|
570
ft³/min
|
1266.6648
yd³/h
|
580
ft³/min
|
1288.88699
yd³/h
|
590
ft³/min
|
1311.10918
yd³/h
|
600
ft³/min
|
1333.33137
yd³/h
|
610
ft³/min
|
1355.55356
yd³/h
|
620
ft³/min
|
1377.77575
yd³/h
|
630
ft³/min
|
1399.99794
yd³/h
|
640
ft³/min
|
1422.22013
yd³/h
|
650
ft³/min
|
1444.44232
yd³/h
|
660
ft³/min
|
1466.66451
yd³/h
|
670
ft³/min
|
1488.8867
yd³/h
|
680
ft³/min
|
1511.10889
yd³/h
|
690
ft³/min
|
1533.33108
yd³/h
|
700
ft³/min
|
1555.55327
yd³/h
|
710
ft³/min
|
1577.77546
yd³/h
|
720
ft³/min
|
1599.99765
yd³/h
|
730
ft³/min
|
1622.21984
yd³/h
|
740
ft³/min
|
1644.44203
yd³/h
|
750
ft³/min
|
1666.66422
yd³/h
|
760
ft³/min
|
1688.88641
yd³/h
|
770
ft³/min
|
1711.1086
yd³/h
|
780
ft³/min
|
1733.33079
yd³/h
|
790
ft³/min
|
1755.55298
yd³/h
|
800
ft³/min
|
1777.77516
yd³/h
|
810
ft³/min
|
1799.99735
yd³/h
|
820
ft³/min
|
1822.21954
yd³/h
|
830
ft³/min
|
1844.44173
yd³/h
|
840
ft³/min
|
1866.66392
yd³/h
|
850
ft³/min
|
1888.88611
yd³/h
|
860
ft³/min
|
1911.1083
yd³/h
|
870
ft³/min
|
1933.33049
yd³/h
|
880
ft³/min
|
1955.55268
yd³/h
|
890
ft³/min
|
1977.77487
yd³/h
|
900
ft³/min
|
1999.99706
yd³/h
|
910
ft³/min
|
2022.21925
yd³/h
|
920
ft³/min
|
2044.44144
yd³/h
|
930
ft³/min
|
2066.66363
yd³/h
|
940
ft³/min
|
2088.88582
yd³/h
|
950
ft³/min
|
2111.10801
yd³/h
|
960
ft³/min
|
2133.3302
yd³/h
|
970
ft³/min
|
2155.55239
yd³/h
|
980
ft³/min
|
2177.77458
yd³/h
|
990
ft³/min
|
2199.99677
yd³/h
|
1000
ft³/min
|
2222.21896
yd³/h
|
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