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 gallon per hour (GPH) might seem like a straightforward unit for measuring flow rate, but it plays a crucial role in numerous applications, from optimizing fuel efficiency in vehicles to calculating water usage for irrigation systems. Interestingly, the concept of measuring flow rates dates back to ancient Rome, where aqueducts were designed with flow capacities to regulate water supply throughout the city.
What’s more, today’s technology leverages GPH to monitor and reduce energy consumption in heating systems by determining precise fuel flow, contributing significantly to energy conservation efforts. This unit is pivotal in industries where precision and efficiency dictate success, underscoring its importance as a practical measure across various sectors. Whether in engineering or environmental management, GPH helps us navigate and optimize our resource usage.
Cubic feet per minute | Gallons per hour |
---|---|
0
ft³/min
|
0
gal/h
|
10
ft³/min
|
4488.30938
gal/h
|
20
ft³/min
|
8976.61875
gal/h
|
30
ft³/min
|
13464.92813
gal/h
|
40
ft³/min
|
17953.2375
gal/h
|
50
ft³/min
|
22441.54688
gal/h
|
60
ft³/min
|
26929.85625
gal/h
|
70
ft³/min
|
31418.16563
gal/h
|
80
ft³/min
|
35906.475
gal/h
|
90
ft³/min
|
40394.78438
gal/h
|
100
ft³/min
|
44883.09375
gal/h
|
110
ft³/min
|
49371.40313
gal/h
|
120
ft³/min
|
53859.7125
gal/h
|
130
ft³/min
|
58348.02188
gal/h
|
140
ft³/min
|
62836.33125
gal/h
|
150
ft³/min
|
67324.64063
gal/h
|
160
ft³/min
|
71812.95
gal/h
|
170
ft³/min
|
76301.25938
gal/h
|
180
ft³/min
|
80789.56875
gal/h
|
190
ft³/min
|
85277.87813
gal/h
|
200
ft³/min
|
89766.1875
gal/h
|
210
ft³/min
|
94254.49688
gal/h
|
220
ft³/min
|
98742.80625
gal/h
|
230
ft³/min
|
103231.11563
gal/h
|
240
ft³/min
|
107719.425
gal/h
|
250
ft³/min
|
112207.73438
gal/h
|
260
ft³/min
|
116696.04375
gal/h
|
270
ft³/min
|
121184.35313
gal/h
|
280
ft³/min
|
125672.6625
gal/h
|
290
ft³/min
|
130160.97188
gal/h
|
300
ft³/min
|
134649.28125
gal/h
|
310
ft³/min
|
139137.59063
gal/h
|
320
ft³/min
|
143625.9
gal/h
|
330
ft³/min
|
148114.20938
gal/h
|
340
ft³/min
|
152602.51875
gal/h
|
350
ft³/min
|
157090.82813
gal/h
|
360
ft³/min
|
161579.1375
gal/h
|
370
ft³/min
|
166067.44688
gal/h
|
380
ft³/min
|
170555.75625
gal/h
|
390
ft³/min
|
175044.06563
gal/h
|
400
ft³/min
|
179532.375
gal/h
|
410
ft³/min
|
184020.68438
gal/h
|
420
ft³/min
|
188508.99375
gal/h
|
430
ft³/min
|
192997.30313
gal/h
|
440
ft³/min
|
197485.6125
gal/h
|
450
ft³/min
|
201973.92188
gal/h
|
460
ft³/min
|
206462.23125
gal/h
|
470
ft³/min
|
210950.54063
gal/h
|
480
ft³/min
|
215438.85
gal/h
|
490
ft³/min
|
219927.15938
gal/h
|
500
ft³/min
|
224415.46875
gal/h
|
510
ft³/min
|
228903.77813
gal/h
|
520
ft³/min
|
233392.0875
gal/h
|
530
ft³/min
|
237880.39688
gal/h
|
540
ft³/min
|
242368.70625
gal/h
|
550
ft³/min
|
246857.01563
gal/h
|
560
ft³/min
|
251345.325
gal/h
|
570
ft³/min
|
255833.63438
gal/h
|
580
ft³/min
|
260321.94375
gal/h
|
590
ft³/min
|
264810.25313
gal/h
|
600
ft³/min
|
269298.5625
gal/h
|
610
ft³/min
|
273786.87188
gal/h
|
620
ft³/min
|
278275.18125
gal/h
|
630
ft³/min
|
282763.49063
gal/h
|
640
ft³/min
|
287251.8
gal/h
|
650
ft³/min
|
291740.10938
gal/h
|
660
ft³/min
|
296228.41875
gal/h
|
670
ft³/min
|
300716.72813
gal/h
|
680
ft³/min
|
305205.0375
gal/h
|
690
ft³/min
|
309693.34688
gal/h
|
700
ft³/min
|
314181.65625
gal/h
|
710
ft³/min
|
318669.96563
gal/h
|
720
ft³/min
|
323158.275
gal/h
|
730
ft³/min
|
327646.58438
gal/h
|
740
ft³/min
|
332134.89375
gal/h
|
750
ft³/min
|
336623.20313
gal/h
|
760
ft³/min
|
341111.5125
gal/h
|
770
ft³/min
|
345599.82188
gal/h
|
780
ft³/min
|
350088.13125
gal/h
|
790
ft³/min
|
354576.44063
gal/h
|
800
ft³/min
|
359064.75
gal/h
|
810
ft³/min
|
363553.05938
gal/h
|
820
ft³/min
|
368041.36875
gal/h
|
830
ft³/min
|
372529.67813
gal/h
|
840
ft³/min
|
377017.9875
gal/h
|
850
ft³/min
|
381506.29688
gal/h
|
860
ft³/min
|
385994.60625
gal/h
|
870
ft³/min
|
390482.91563
gal/h
|
880
ft³/min
|
394971.225
gal/h
|
890
ft³/min
|
399459.53438
gal/h
|
900
ft³/min
|
403947.84375
gal/h
|
910
ft³/min
|
408436.15313
gal/h
|
920
ft³/min
|
412924.4625
gal/h
|
930
ft³/min
|
417412.77188
gal/h
|
940
ft³/min
|
421901.08125
gal/h
|
950
ft³/min
|
426389.39063
gal/h
|
960
ft³/min
|
430877.7
gal/h
|
970
ft³/min
|
435366.00938
gal/h
|
980
ft³/min
|
439854.31875
gal/h
|
990
ft³/min
|
444342.62813
gal/h
|
1000
ft³/min
|
448830.9375
gal/h
|
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