The cubic foot per hour is a unit of volumetric flow rate, measuring how much volume flows through a system per hour. While you might not think about it daily, this unit plays a crucial role in sectors like natural gas distribution and HVAC systems, where precise measurement of air or fluid flow is essential for efficiency and safety. Interestingly, in the U.S., a substantial portion of homes rely on natural gas, and understanding its flow in cubic feet per hour can optimize household energy usage and reduce carbon footprints.
Moreover, recognizing changes in flow rates measured in cubic feet per hour can be an indicator of system inefficiencies or leaks, prompting timely maintenance and ensuring operational efficacy. This unit is a key player behind the scenes in ensuring that systems run smoothly and resources aren’t wasted.
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 feet per hour | Cubic feet per minute |
---|---|
0
ft³/h
|
0
ft³/min
|
100
ft³/h
|
1.66667
ft³/min
|
200
ft³/h
|
3.33333
ft³/min
|
300
ft³/h
|
5
ft³/min
|
400
ft³/h
|
6.66667
ft³/min
|
500
ft³/h
|
8.33333
ft³/min
|
600
ft³/h
|
10
ft³/min
|
700
ft³/h
|
11.66667
ft³/min
|
800
ft³/h
|
13.33333
ft³/min
|
900
ft³/h
|
15
ft³/min
|
1000
ft³/h
|
16.66667
ft³/min
|
1100
ft³/h
|
18.33333
ft³/min
|
1200
ft³/h
|
20
ft³/min
|
1300
ft³/h
|
21.66667
ft³/min
|
1400
ft³/h
|
23.33333
ft³/min
|
1500
ft³/h
|
25
ft³/min
|
1600
ft³/h
|
26.66667
ft³/min
|
1700
ft³/h
|
28.33333
ft³/min
|
1800
ft³/h
|
30
ft³/min
|
1900
ft³/h
|
31.66667
ft³/min
|
2000
ft³/h
|
33.33333
ft³/min
|
2100
ft³/h
|
35
ft³/min
|
2200
ft³/h
|
36.66667
ft³/min
|
2300
ft³/h
|
38.33333
ft³/min
|
2400
ft³/h
|
40
ft³/min
|
2500
ft³/h
|
41.66667
ft³/min
|
2600
ft³/h
|
43.33333
ft³/min
|
2700
ft³/h
|
45
ft³/min
|
2800
ft³/h
|
46.66667
ft³/min
|
2900
ft³/h
|
48.33333
ft³/min
|
3000
ft³/h
|
50
ft³/min
|
3100
ft³/h
|
51.66667
ft³/min
|
3200
ft³/h
|
53.33333
ft³/min
|
3300
ft³/h
|
55
ft³/min
|
3400
ft³/h
|
56.66667
ft³/min
|
3500
ft³/h
|
58.33333
ft³/min
|
3600
ft³/h
|
60
ft³/min
|
3700
ft³/h
|
61.66667
ft³/min
|
3800
ft³/h
|
63.33333
ft³/min
|
3900
ft³/h
|
65
ft³/min
|
4000
ft³/h
|
66.66667
ft³/min
|
4100
ft³/h
|
68.33333
ft³/min
|
4200
ft³/h
|
70
ft³/min
|
4300
ft³/h
|
71.66667
ft³/min
|
4400
ft³/h
|
73.33333
ft³/min
|
4500
ft³/h
|
75
ft³/min
|
4600
ft³/h
|
76.66667
ft³/min
|
4700
ft³/h
|
78.33333
ft³/min
|
4800
ft³/h
|
80
ft³/min
|
4900
ft³/h
|
81.66667
ft³/min
|
5000
ft³/h
|
83.33333
ft³/min
|
5100
ft³/h
|
85
ft³/min
|
5200
ft³/h
|
86.66667
ft³/min
|
5300
ft³/h
|
88.33333
ft³/min
|
5400
ft³/h
|
90
ft³/min
|
5500
ft³/h
|
91.66667
ft³/min
|
5600
ft³/h
|
93.33333
ft³/min
|
5700
ft³/h
|
95
ft³/min
|
5800
ft³/h
|
96.66667
ft³/min
|
5900
ft³/h
|
98.33333
ft³/min
|
6000
ft³/h
|
100
ft³/min
|
6100
ft³/h
|
101.66667
ft³/min
|
6200
ft³/h
|
103.33333
ft³/min
|
6300
ft³/h
|
105
ft³/min
|
6400
ft³/h
|
106.66667
ft³/min
|
6500
ft³/h
|
108.33333
ft³/min
|
6600
ft³/h
|
110
ft³/min
|
6700
ft³/h
|
111.66667
ft³/min
|
6800
ft³/h
|
113.33333
ft³/min
|
6900
ft³/h
|
115
ft³/min
|
7000
ft³/h
|
116.66667
ft³/min
|
7100
ft³/h
|
118.33333
ft³/min
|
7200
ft³/h
|
120
ft³/min
|
7300
ft³/h
|
121.66667
ft³/min
|
7400
ft³/h
|
123.33333
ft³/min
|
7500
ft³/h
|
125
ft³/min
|
7600
ft³/h
|
126.66667
ft³/min
|
7700
ft³/h
|
128.33333
ft³/min
|
7800
ft³/h
|
130
ft³/min
|
7900
ft³/h
|
131.66667
ft³/min
|
8000
ft³/h
|
133.33333
ft³/min
|
8100
ft³/h
|
135
ft³/min
|
8200
ft³/h
|
136.66667
ft³/min
|
8300
ft³/h
|
138.33333
ft³/min
|
8400
ft³/h
|
140
ft³/min
|
8500
ft³/h
|
141.66667
ft³/min
|
8600
ft³/h
|
143.33333
ft³/min
|
8700
ft³/h
|
145
ft³/min
|
8800
ft³/h
|
146.66667
ft³/min
|
8900
ft³/h
|
148.33333
ft³/min
|
9000
ft³/h
|
150
ft³/min
|
9100
ft³/h
|
151.66667
ft³/min
|
9200
ft³/h
|
153.33333
ft³/min
|
9300
ft³/h
|
155
ft³/min
|
9400
ft³/h
|
156.66667
ft³/min
|
9500
ft³/h
|
158.33333
ft³/min
|
9600
ft³/h
|
160
ft³/min
|
9700
ft³/h
|
161.66667
ft³/min
|
9800
ft³/h
|
163.33333
ft³/min
|
9900
ft³/h
|
165
ft³/min
|
10000
ft³/h
|
166.66667
ft³/min
|
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