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 meter per hour (m³/h) might seem like just a simple metric unit of flow rate, but it plays a crucial role in various industries, especially in water supply and waste management systems. Understanding this unit can help imagine vast quantities efficiently: one cubic meter equals 1,000 liters, so just one m³/h represents the flow of 1,000 liters in an hour. This means that a single household’s daily water usage could often be entirely represented within a few cubic meters per hour.
Moreover, m³/h is extensively used in HVAC systems where air supply and exhaust rates are critical for maintaining breathable environments in buildings. In industries like oil and gas, it helps to determine the rate of fluid transfer, enhancing accurate forecasting and resource management. This universal metric enables seamless communication and coordination across global projects, underscoring its importance in engineering and environmental monitoring.
Cubic feet per minute | Cubic meters per hour |
---|---|
0
ft³/min
|
0
m³/h
|
10
ft³/min
|
16.9901
m³/h
|
20
ft³/min
|
33.9802
m³/h
|
30
ft³/min
|
50.9703
m³/h
|
40
ft³/min
|
67.9604
m³/h
|
50
ft³/min
|
84.9505
m³/h
|
60
ft³/min
|
101.9406
m³/h
|
70
ft³/min
|
118.93069
m³/h
|
80
ft³/min
|
135.92079
m³/h
|
90
ft³/min
|
152.91089
m³/h
|
100
ft³/min
|
169.90099
m³/h
|
110
ft³/min
|
186.89109
m³/h
|
120
ft³/min
|
203.88119
m³/h
|
130
ft³/min
|
220.87129
m³/h
|
140
ft³/min
|
237.86139
m³/h
|
150
ft³/min
|
254.85149
m³/h
|
160
ft³/min
|
271.84159
m³/h
|
170
ft³/min
|
288.83169
m³/h
|
180
ft³/min
|
305.82179
m³/h
|
190
ft³/min
|
322.81188
m³/h
|
200
ft³/min
|
339.80198
m³/h
|
210
ft³/min
|
356.79208
m³/h
|
220
ft³/min
|
373.78218
m³/h
|
230
ft³/min
|
390.77228
m³/h
|
240
ft³/min
|
407.76238
m³/h
|
250
ft³/min
|
424.75248
m³/h
|
260
ft³/min
|
441.74258
m³/h
|
270
ft³/min
|
458.73268
m³/h
|
280
ft³/min
|
475.72278
m³/h
|
290
ft³/min
|
492.71288
m³/h
|
300
ft³/min
|
509.70298
m³/h
|
310
ft³/min
|
526.69308
m³/h
|
320
ft³/min
|
543.68317
m³/h
|
330
ft³/min
|
560.67327
m³/h
|
340
ft³/min
|
577.66337
m³/h
|
350
ft³/min
|
594.65347
m³/h
|
360
ft³/min
|
611.64357
m³/h
|
370
ft³/min
|
628.63367
m³/h
|
380
ft³/min
|
645.62377
m³/h
|
390
ft³/min
|
662.61387
m³/h
|
400
ft³/min
|
679.60397
m³/h
|
410
ft³/min
|
696.59407
m³/h
|
420
ft³/min
|
713.58417
m³/h
|
430
ft³/min
|
730.57427
m³/h
|
440
ft³/min
|
747.56436
m³/h
|
450
ft³/min
|
764.55446
m³/h
|
460
ft³/min
|
781.54456
m³/h
|
470
ft³/min
|
798.53466
m³/h
|
480
ft³/min
|
815.52476
m³/h
|
490
ft³/min
|
832.51486
m³/h
|
500
ft³/min
|
849.50496
m³/h
|
510
ft³/min
|
866.49506
m³/h
|
520
ft³/min
|
883.48516
m³/h
|
530
ft³/min
|
900.47526
m³/h
|
540
ft³/min
|
917.46536
m³/h
|
550
ft³/min
|
934.45546
m³/h
|
560
ft³/min
|
951.44556
m³/h
|
570
ft³/min
|
968.43565
m³/h
|
580
ft³/min
|
985.42575
m³/h
|
590
ft³/min
|
1002.41585
m³/h
|
600
ft³/min
|
1019.40595
m³/h
|
610
ft³/min
|
1036.39605
m³/h
|
620
ft³/min
|
1053.38615
m³/h
|
630
ft³/min
|
1070.37625
m³/h
|
640
ft³/min
|
1087.36635
m³/h
|
650
ft³/min
|
1104.35645
m³/h
|
660
ft³/min
|
1121.34655
m³/h
|
670
ft³/min
|
1138.33665
m³/h
|
680
ft³/min
|
1155.32675
m³/h
|
690
ft³/min
|
1172.31684
m³/h
|
700
ft³/min
|
1189.30694
m³/h
|
710
ft³/min
|
1206.29704
m³/h
|
720
ft³/min
|
1223.28714
m³/h
|
730
ft³/min
|
1240.27724
m³/h
|
740
ft³/min
|
1257.26734
m³/h
|
750
ft³/min
|
1274.25744
m³/h
|
760
ft³/min
|
1291.24754
m³/h
|
770
ft³/min
|
1308.23764
m³/h
|
780
ft³/min
|
1325.22774
m³/h
|
790
ft³/min
|
1342.21784
m³/h
|
800
ft³/min
|
1359.20794
m³/h
|
810
ft³/min
|
1376.19804
m³/h
|
820
ft³/min
|
1393.18813
m³/h
|
830
ft³/min
|
1410.17823
m³/h
|
840
ft³/min
|
1427.16833
m³/h
|
850
ft³/min
|
1444.15843
m³/h
|
860
ft³/min
|
1461.14853
m³/h
|
870
ft³/min
|
1478.13863
m³/h
|
880
ft³/min
|
1495.12873
m³/h
|
890
ft³/min
|
1512.11883
m³/h
|
900
ft³/min
|
1529.10893
m³/h
|
910
ft³/min
|
1546.09903
m³/h
|
920
ft³/min
|
1563.08913
m³/h
|
930
ft³/min
|
1580.07923
m³/h
|
940
ft³/min
|
1597.06932
m³/h
|
950
ft³/min
|
1614.05942
m³/h
|
960
ft³/min
|
1631.04952
m³/h
|
970
ft³/min
|
1648.03962
m³/h
|
980
ft³/min
|
1665.02972
m³/h
|
990
ft³/min
|
1682.01982
m³/h
|
1000
ft³/min
|
1699.00992
m³/h
|
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