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 “cup per second” unit might seem reserved for the culinary world, but it can serve fascinating purposes beyond the kitchen. A cup per second is roughly equivalent to around 14.4 gallons per minute. Imagine filling an average swimming pool at this rate; it would take less than four hours to complete! Historically, fluid measurements like cups have roots in ancient times, with each culture adopting variations that suited their culinary and agricultural needs. In modern-day engineering, the cup per second measurement could be an engaging, albeit unconventional, way for expressing fluid flow in small-scale operations, such as artisanal breweries or boutique perfumeries, where precision and the allure of tradition often mingle.
Cubic feet per minute | Cups per second |
---|---|
0
ft³/min
|
0
cup/s
|
10
ft³/min
|
19.94804
cup/s
|
20
ft³/min
|
39.89608
cup/s
|
30
ft³/min
|
59.84413
cup/s
|
40
ft³/min
|
79.79217
cup/s
|
50
ft³/min
|
99.74021
cup/s
|
60
ft³/min
|
119.68825
cup/s
|
70
ft³/min
|
139.63629
cup/s
|
80
ft³/min
|
159.58433
cup/s
|
90
ft³/min
|
179.53238
cup/s
|
100
ft³/min
|
199.48042
cup/s
|
110
ft³/min
|
219.42846
cup/s
|
120
ft³/min
|
239.3765
cup/s
|
130
ft³/min
|
259.32454
cup/s
|
140
ft³/min
|
279.27258
cup/s
|
150
ft³/min
|
299.22063
cup/s
|
160
ft³/min
|
319.16867
cup/s
|
170
ft³/min
|
339.11671
cup/s
|
180
ft³/min
|
359.06475
cup/s
|
190
ft³/min
|
379.01279
cup/s
|
200
ft³/min
|
398.96083
cup/s
|
210
ft³/min
|
418.90888
cup/s
|
220
ft³/min
|
438.85692
cup/s
|
230
ft³/min
|
458.80496
cup/s
|
240
ft³/min
|
478.753
cup/s
|
250
ft³/min
|
498.70104
cup/s
|
260
ft³/min
|
518.64908
cup/s
|
270
ft³/min
|
538.59713
cup/s
|
280
ft³/min
|
558.54517
cup/s
|
290
ft³/min
|
578.49321
cup/s
|
300
ft³/min
|
598.44125
cup/s
|
310
ft³/min
|
618.38929
cup/s
|
320
ft³/min
|
638.33733
cup/s
|
330
ft³/min
|
658.28538
cup/s
|
340
ft³/min
|
678.23342
cup/s
|
350
ft³/min
|
698.18146
cup/s
|
360
ft³/min
|
718.1295
cup/s
|
370
ft³/min
|
738.07754
cup/s
|
380
ft³/min
|
758.02558
cup/s
|
390
ft³/min
|
777.97363
cup/s
|
400
ft³/min
|
797.92167
cup/s
|
410
ft³/min
|
817.86971
cup/s
|
420
ft³/min
|
837.81775
cup/s
|
430
ft³/min
|
857.76579
cup/s
|
440
ft³/min
|
877.71383
cup/s
|
450
ft³/min
|
897.66188
cup/s
|
460
ft³/min
|
917.60992
cup/s
|
470
ft³/min
|
937.55796
cup/s
|
480
ft³/min
|
957.506
cup/s
|
490
ft³/min
|
977.45404
cup/s
|
500
ft³/min
|
997.40208
cup/s
|
510
ft³/min
|
1017.35013
cup/s
|
520
ft³/min
|
1037.29817
cup/s
|
530
ft³/min
|
1057.24621
cup/s
|
540
ft³/min
|
1077.19425
cup/s
|
550
ft³/min
|
1097.14229
cup/s
|
560
ft³/min
|
1117.09033
cup/s
|
570
ft³/min
|
1137.03838
cup/s
|
580
ft³/min
|
1156.98642
cup/s
|
590
ft³/min
|
1176.93446
cup/s
|
600
ft³/min
|
1196.8825
cup/s
|
610
ft³/min
|
1216.83054
cup/s
|
620
ft³/min
|
1236.77858
cup/s
|
630
ft³/min
|
1256.72663
cup/s
|
640
ft³/min
|
1276.67467
cup/s
|
650
ft³/min
|
1296.62271
cup/s
|
660
ft³/min
|
1316.57075
cup/s
|
670
ft³/min
|
1336.51879
cup/s
|
680
ft³/min
|
1356.46683
cup/s
|
690
ft³/min
|
1376.41488
cup/s
|
700
ft³/min
|
1396.36292
cup/s
|
710
ft³/min
|
1416.31096
cup/s
|
720
ft³/min
|
1436.259
cup/s
|
730
ft³/min
|
1456.20704
cup/s
|
740
ft³/min
|
1476.15508
cup/s
|
750
ft³/min
|
1496.10313
cup/s
|
760
ft³/min
|
1516.05117
cup/s
|
770
ft³/min
|
1536
cup/s
|
780
ft³/min
|
1555.94725
cup/s
|
790
ft³/min
|
1575.89529
cup/s
|
800
ft³/min
|
1595.84333
cup/s
|
810
ft³/min
|
1615.79138
cup/s
|
820
ft³/min
|
1635.73942
cup/s
|
830
ft³/min
|
1655.68746
cup/s
|
840
ft³/min
|
1675.6355
cup/s
|
850
ft³/min
|
1695.58354
cup/s
|
860
ft³/min
|
1715.53158
cup/s
|
870
ft³/min
|
1735.47963
cup/s
|
880
ft³/min
|
1755.42767
cup/s
|
890
ft³/min
|
1775.37571
cup/s
|
900
ft³/min
|
1795.32375
cup/s
|
910
ft³/min
|
1815.27179
cup/s
|
920
ft³/min
|
1835.21983
cup/s
|
930
ft³/min
|
1855.16788
cup/s
|
940
ft³/min
|
1875.11592
cup/s
|
950
ft³/min
|
1895.06396
cup/s
|
960
ft³/min
|
1915.012
cup/s
|
970
ft³/min
|
1934.96004
cup/s
|
980
ft³/min
|
1954.90808
cup/s
|
990
ft³/min
|
1974.85613
cup/s
|
1000
ft³/min
|
1994.80417
cup/s
|
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