Gallon per minute (GPM) is a crucial unit in measuring flow rate, especially in the context of plumbing, irrigation, and various industrial applications. Originally rooted in the British Imperial system, the gallon has a rich history with variations across countries—such as the US liquid gallon, which is approximately 3.785 liters, and the UK gallon, which is around 4.546 liters. This means that when considering flow rates, the distinction between these gallons can lead to significant differences in calculation and application.
What’s particularly fascinating about GPM is its pivotal role in modern sustainability efforts. For example, showerheads in the United States are often rated by their GPM to help reduce water usage and promote conservation. Low-flow fixtures, which typically limit water flow to 2.5 GPM or less, have become a standard in reducing both water waste and energy costs, highlighting the intersection of environmental responsibility and engineering.
The unit “cubic yard per second” is a measure of volumetric flow rate, often used in engineering and hydrology to quantify the rate at which a volume of liquid, such as water, flows in a system. One cubic yard per second translates to an immense 764.555 liters per second, highlighting its utility in large-scale applications like river flow measurements or irrigation systems. To put it in perspective, this rate could fill an Olympic-sized swimming pool in roughly two hours!
In the 19th century, as industrial and municipal water demands increased, the mining sector and large-scale waterworks projects became some of the earliest adopters of the cubic yard per second. It’s a testament to how critical this unit has been in shaping water management practices around the world, ensuring efficient usage and distribution of this vital resource.
Gallons per minute | Cubic yards per second |
---|---|
0
gal/min
|
0
yd³/s
|
10
gal/min
|
0.000825188
yd³/s
|
20
gal/min
|
0.00165038
yd³/s
|
30
gal/min
|
0.00247556
yd³/s
|
40
gal/min
|
0.00330075
yd³/s
|
50
gal/min
|
0.00412594
yd³/s
|
60
gal/min
|
0.00495113
yd³/s
|
70
gal/min
|
0.00577631
yd³/s
|
80
gal/min
|
0.0066015
yd³/s
|
90
gal/min
|
0.00742669
yd³/s
|
100
gal/min
|
0.00825188
yd³/s
|
110
gal/min
|
0.00907707
yd³/s
|
120
gal/min
|
0.00990225
yd³/s
|
130
gal/min
|
0.0107274
yd³/s
|
140
gal/min
|
0.0115526
yd³/s
|
150
gal/min
|
0.0123778
yd³/s
|
160
gal/min
|
0.013203
yd³/s
|
170
gal/min
|
0.0140282
yd³/s
|
180
gal/min
|
0.0148534
yd³/s
|
190
gal/min
|
0.0156786
yd³/s
|
200
gal/min
|
0.0165038
yd³/s
|
210
gal/min
|
0.0173289
yd³/s
|
220
gal/min
|
0.0181541
yd³/s
|
230
gal/min
|
0.0189793
yd³/s
|
240
gal/min
|
0.0198045
yd³/s
|
250
gal/min
|
0.0206297
yd³/s
|
260
gal/min
|
0.0214549
yd³/s
|
270
gal/min
|
0.0222801
yd³/s
|
280
gal/min
|
0.0231053
yd³/s
|
290
gal/min
|
0.0239304
yd³/s
|
300
gal/min
|
0.0247556
yd³/s
|
310
gal/min
|
0.0255808
yd³/s
|
320
gal/min
|
0.026406
yd³/s
|
330
gal/min
|
0.0272312
yd³/s
|
340
gal/min
|
0.0280564
yd³/s
|
350
gal/min
|
0.0288816
yd³/s
|
360
gal/min
|
0.0297068
yd³/s
|
370
gal/min
|
0.0305319
yd³/s
|
380
gal/min
|
0.0313571
yd³/s
|
390
gal/min
|
0.0321823
yd³/s
|
400
gal/min
|
0.0330075
yd³/s
|
410
gal/min
|
0.0338327
yd³/s
|
420
gal/min
|
0.0346579
yd³/s
|
430
gal/min
|
0.0354831
yd³/s
|
440
gal/min
|
0.0363083
yd³/s
|
450
gal/min
|
0.0371335
yd³/s
|
460
gal/min
|
0.0379586
yd³/s
|
470
gal/min
|
0.0387838
yd³/s
|
480
gal/min
|
0.039609
yd³/s
|
490
gal/min
|
0.0404342
yd³/s
|
500
gal/min
|
0.0412594
yd³/s
|
510
gal/min
|
0.0420846
yd³/s
|
520
gal/min
|
0.0429098
yd³/s
|
530
gal/min
|
0.043735
yd³/s
|
540
gal/min
|
0.0445601
yd³/s
|
550
gal/min
|
0.0453853
yd³/s
|
560
gal/min
|
0.0462105
yd³/s
|
570
gal/min
|
0.0470357
yd³/s
|
580
gal/min
|
0.0478609
yd³/s
|
590
gal/min
|
0.0486861
yd³/s
|
600
gal/min
|
0.0495113
yd³/s
|
610
gal/min
|
0.0503365
yd³/s
|
620
gal/min
|
0.0511616
yd³/s
|
630
gal/min
|
0.0519868
yd³/s
|
640
gal/min
|
0.052812
yd³/s
|
650
gal/min
|
0.0536372
yd³/s
|
660
gal/min
|
0.0544624
yd³/s
|
670
gal/min
|
0.0552876
yd³/s
|
680
gal/min
|
0.0561128
yd³/s
|
690
gal/min
|
0.056938
yd³/s
|
700
gal/min
|
0.0577631
yd³/s
|
710
gal/min
|
0.0585883
yd³/s
|
720
gal/min
|
0.0594135
yd³/s
|
730
gal/min
|
0.0602387
yd³/s
|
740
gal/min
|
0.0610639
yd³/s
|
750
gal/min
|
0.0618891
yd³/s
|
760
gal/min
|
0.0627143
yd³/s
|
770
gal/min
|
0.0635395
yd³/s
|
780
gal/min
|
0.0643647
yd³/s
|
790
gal/min
|
0.0651898
yd³/s
|
800
gal/min
|
0.066015
yd³/s
|
810
gal/min
|
0.0668402
yd³/s
|
820
gal/min
|
0.0676654
yd³/s
|
830
gal/min
|
0.0684906
yd³/s
|
840
gal/min
|
0.0693158
yd³/s
|
850
gal/min
|
0.070141
yd³/s
|
860
gal/min
|
0.0709662
yd³/s
|
870
gal/min
|
0.0717913
yd³/s
|
880
gal/min
|
0.0726165
yd³/s
|
890
gal/min
|
0.0734417
yd³/s
|
900
gal/min
|
0.0742669
yd³/s
|
910
gal/min
|
0.0750921
yd³/s
|
920
gal/min
|
0.0759173
yd³/s
|
930
gal/min
|
0.0767425
yd³/s
|
940
gal/min
|
0.0775677
yd³/s
|
950
gal/min
|
0.0783928
yd³/s
|
960
gal/min
|
0.079218
yd³/s
|
970
gal/min
|
0.0800432
yd³/s
|
980
gal/min
|
0.0808684
yd³/s
|
990
gal/min
|
0.0816936
yd³/s
|
1000
gal/min
|
0.0825188
yd³/s
|
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