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 pint per hour is a lesser-known unit of flow rate that finds its charm in the world of brewing and small-scale liquid distribution. Primarily used in the United States and the UK, a pint per hour measures how much liquid—specifically a pint—flows per hour, making it essential for brewers ensuring the precision of their craft. While breweries heavily rely on precise measurements to maintain flavor, texture, and quality, the pint per hour unit also interestingly comes into play in household systems like drip irrigation, where the gentle trickle ensures plants receive consistent hydration.
Even in historical contexts, the pint per hour has its fascinating roots. It was used by alewives in medieval Europe, who measured using much more rudimentary, time-tested methods. Through innovation and tradition alike, the pint per hour illustrates the quaint yet crucial role of accurate measurement in everyday life.
Cubic feet per minute | Pints per hour |
---|---|
0
ft³/min
|
0
pnt/h
|
10
ft³/min
|
35906.475
pnt/h
|
20
ft³/min
|
71812.95
pnt/h
|
30
ft³/min
|
107719.425
pnt/h
|
40
ft³/min
|
143625.9
pnt/h
|
50
ft³/min
|
179532.375
pnt/h
|
60
ft³/min
|
215438.85
pnt/h
|
70
ft³/min
|
251345.325
pnt/h
|
80
ft³/min
|
287251.8
pnt/h
|
90
ft³/min
|
323158.275
pnt/h
|
100
ft³/min
|
359064.75
pnt/h
|
110
ft³/min
|
394971.225
pnt/h
|
120
ft³/min
|
430877.7
pnt/h
|
130
ft³/min
|
466784.175
pnt/h
|
140
ft³/min
|
502690.65
pnt/h
|
150
ft³/min
|
538597.125
pnt/h
|
160
ft³/min
|
574503.6
pnt/h
|
170
ft³/min
|
610410.075
pnt/h
|
180
ft³/min
|
646316.55
pnt/h
|
190
ft³/min
|
682223.025
pnt/h
|
200
ft³/min
|
718129.5
pnt/h
|
210
ft³/min
|
754035.975
pnt/h
|
220
ft³/min
|
789942.45
pnt/h
|
230
ft³/min
|
825848.925
pnt/h
|
240
ft³/min
|
861755.4
pnt/h
|
250
ft³/min
|
897661.875
pnt/h
|
260
ft³/min
|
933568.35
pnt/h
|
270
ft³/min
|
969474.825
pnt/h
|
280
ft³/min
|
1005381.3
pnt/h
|
290
ft³/min
|
1041287.775
pnt/h
|
300
ft³/min
|
1077194.25
pnt/h
|
310
ft³/min
|
1113100.725
pnt/h
|
320
ft³/min
|
1149007.2
pnt/h
|
330
ft³/min
|
1184913.675
pnt/h
|
340
ft³/min
|
1220820.15
pnt/h
|
350
ft³/min
|
1256726.625
pnt/h
|
360
ft³/min
|
1292633.1
pnt/h
|
370
ft³/min
|
1328539.575
pnt/h
|
380
ft³/min
|
1364446.05
pnt/h
|
390
ft³/min
|
1400352.525
pnt/h
|
400
ft³/min
|
1436259
pnt/h
|
410
ft³/min
|
1472165.475
pnt/h
|
420
ft³/min
|
1508071.95
pnt/h
|
430
ft³/min
|
1543978.425
pnt/h
|
440
ft³/min
|
1579884.9
pnt/h
|
450
ft³/min
|
1615791.375
pnt/h
|
460
ft³/min
|
1651697.85
pnt/h
|
470
ft³/min
|
1687604.325
pnt/h
|
480
ft³/min
|
1723510.8
pnt/h
|
490
ft³/min
|
1759417.275
pnt/h
|
500
ft³/min
|
1795323.75
pnt/h
|
510
ft³/min
|
1831230.225
pnt/h
|
520
ft³/min
|
1867136.7
pnt/h
|
530
ft³/min
|
1903043.175
pnt/h
|
540
ft³/min
|
1938949.65
pnt/h
|
550
ft³/min
|
1974856.125
pnt/h
|
560
ft³/min
|
2010762.6
pnt/h
|
570
ft³/min
|
2046669.075
pnt/h
|
580
ft³/min
|
2082575.55
pnt/h
|
590
ft³/min
|
2118482.025
pnt/h
|
600
ft³/min
|
2154388.5
pnt/h
|
610
ft³/min
|
2190294.975
pnt/h
|
620
ft³/min
|
2226201.45
pnt/h
|
630
ft³/min
|
2262107.925
pnt/h
|
640
ft³/min
|
2298014.4
pnt/h
|
650
ft³/min
|
2333920.875
pnt/h
|
660
ft³/min
|
2369827.35
pnt/h
|
670
ft³/min
|
2405733.825
pnt/h
|
680
ft³/min
|
2441640.3
pnt/h
|
690
ft³/min
|
2477546.775
pnt/h
|
700
ft³/min
|
2513453.25
pnt/h
|
710
ft³/min
|
2549359.725
pnt/h
|
720
ft³/min
|
2585266.2
pnt/h
|
730
ft³/min
|
2621172.675
pnt/h
|
740
ft³/min
|
2657079.15
pnt/h
|
750
ft³/min
|
2692985.625
pnt/h
|
760
ft³/min
|
2728892.1
pnt/h
|
770
ft³/min
|
2764798.575
pnt/h
|
780
ft³/min
|
2800705.05
pnt/h
|
790
ft³/min
|
2836611.525
pnt/h
|
800
ft³/min
|
2872518
pnt/h
|
810
ft³/min
|
2908424.475
pnt/h
|
820
ft³/min
|
2944330.95
pnt/h
|
830
ft³/min
|
2980237.425
pnt/h
|
840
ft³/min
|
3016143.9
pnt/h
|
850
ft³/min
|
3052050.375
pnt/h
|
860
ft³/min
|
3087956.85
pnt/h
|
870
ft³/min
|
3123863.325
pnt/h
|
880
ft³/min
|
3159769.8
pnt/h
|
890
ft³/min
|
3195676.275
pnt/h
|
900
ft³/min
|
3231582.75
pnt/h
|
910
ft³/min
|
3267489.225
pnt/h
|
920
ft³/min
|
3303395.7
pnt/h
|
930
ft³/min
|
3339302.175
pnt/h
|
940
ft³/min
|
3375208.65
pnt/h
|
950
ft³/min
|
3411115.125
pnt/h
|
960
ft³/min
|
3447021.6
pnt/h
|
970
ft³/min
|
3482928.075
pnt/h
|
980
ft³/min
|
3518834.55
pnt/h
|
990
ft³/min
|
3554741.025
pnt/h
|
1000
ft³/min
|
3590647.5
pnt/h
|
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