“Gallon per second” is a fascinating unit of flow rate often used in engineering and environmental studies to quantify the movement of liquids. It might surprise you that in the United States, the Imperial gallon conversion to seconds adds an intriguing complexity. The U.S. gallon, used primarily in this unit, is smaller than the Imperial gallon used in the UK. This difference can significantly impact calculations involving large-scale water management systems or river flows.
Historically, variations of the gallon were used to measure commodities, including beer and wine, creating a diverse heritage for this versatile unit. Imagine that a single gallon per second flow rate could fill an Olympic-sized swimming pool in just under 32 hours! Such conversions shed light on the immense scale of water flow in various applications, from plumbing to hydrology.
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.
Gallons per second | Gallons per minute |
---|---|
0
gal/s
|
0
gal/min
|
0.5
gal/s
|
30
gal/min
|
1
gal/s
|
60
gal/min
|
1.5
gal/s
|
90
gal/min
|
2
gal/s
|
120
gal/min
|
2.5
gal/s
|
150
gal/min
|
3
gal/s
|
180
gal/min
|
3.5
gal/s
|
210
gal/min
|
4
gal/s
|
240
gal/min
|
4.5
gal/s
|
270
gal/min
|
5
gal/s
|
300
gal/min
|
5.5
gal/s
|
330
gal/min
|
6
gal/s
|
360
gal/min
|
6.5
gal/s
|
390
gal/min
|
7
gal/s
|
420
gal/min
|
7.5
gal/s
|
450
gal/min
|
8
gal/s
|
480
gal/min
|
8.5
gal/s
|
510
gal/min
|
9
gal/s
|
540
gal/min
|
9.5
gal/s
|
570
gal/min
|
10
gal/s
|
600
gal/min
|
10.5
gal/s
|
630
gal/min
|
11
gal/s
|
660
gal/min
|
11.5
gal/s
|
690
gal/min
|
12
gal/s
|
720
gal/min
|
12.5
gal/s
|
750
gal/min
|
13
gal/s
|
780
gal/min
|
13.5
gal/s
|
810
gal/min
|
14
gal/s
|
840
gal/min
|
14.5
gal/s
|
870
gal/min
|
15
gal/s
|
900
gal/min
|
15.5
gal/s
|
930
gal/min
|
16
gal/s
|
960
gal/min
|
16.5
gal/s
|
990
gal/min
|
17
gal/s
|
1020
gal/min
|
17.5
gal/s
|
1050
gal/min
|
18
gal/s
|
1080
gal/min
|
18.5
gal/s
|
1110
gal/min
|
19
gal/s
|
1140
gal/min
|
19.5
gal/s
|
1170
gal/min
|
20
gal/s
|
1200
gal/min
|
20.5
gal/s
|
1230
gal/min
|
21
gal/s
|
1260
gal/min
|
21.5
gal/s
|
1290
gal/min
|
22
gal/s
|
1320
gal/min
|
22.5
gal/s
|
1350
gal/min
|
23
gal/s
|
1380
gal/min
|
23.5
gal/s
|
1410
gal/min
|
24
gal/s
|
1440
gal/min
|
24.5
gal/s
|
1470
gal/min
|
25
gal/s
|
1500
gal/min
|
25.5
gal/s
|
1530
gal/min
|
26
gal/s
|
1560
gal/min
|
26.5
gal/s
|
1590
gal/min
|
27
gal/s
|
1620
gal/min
|
27.5
gal/s
|
1650
gal/min
|
28
gal/s
|
1680
gal/min
|
28.5
gal/s
|
1710
gal/min
|
29
gal/s
|
1740
gal/min
|
29.5
gal/s
|
1770
gal/min
|
30
gal/s
|
1800
gal/min
|
30.5
gal/s
|
1830
gal/min
|
31
gal/s
|
1860
gal/min
|
31.5
gal/s
|
1890
gal/min
|
32
gal/s
|
1920
gal/min
|
32.5
gal/s
|
1950
gal/min
|
33
gal/s
|
1980
gal/min
|
33.5
gal/s
|
2010
gal/min
|
34
gal/s
|
2040
gal/min
|
34.5
gal/s
|
2070
gal/min
|
35
gal/s
|
2100
gal/min
|
35.5
gal/s
|
2130
gal/min
|
36
gal/s
|
2160
gal/min
|
36.5
gal/s
|
2190
gal/min
|
37
gal/s
|
2220
gal/min
|
37.5
gal/s
|
2250
gal/min
|
38
gal/s
|
2280
gal/min
|
38.5
gal/s
|
2310
gal/min
|
39
gal/s
|
2340
gal/min
|
39.5
gal/s
|
2370
gal/min
|
40
gal/s
|
2400
gal/min
|
40.5
gal/s
|
2430
gal/min
|
41
gal/s
|
2460
gal/min
|
41.5
gal/s
|
2490
gal/min
|
42
gal/s
|
2520
gal/min
|
42.5
gal/s
|
2550
gal/min
|
43
gal/s
|
2580
gal/min
|
43.5
gal/s
|
2610
gal/min
|
44
gal/s
|
2640
gal/min
|
44.5
gal/s
|
2670
gal/min
|
45
gal/s
|
2700
gal/min
|
45.5
gal/s
|
2730
gal/min
|
46
gal/s
|
2760
gal/min
|
46.5
gal/s
|
2790
gal/min
|
47
gal/s
|
2820
gal/min
|
47.5
gal/s
|
2850
gal/min
|
48
gal/s
|
2880
gal/min
|
48.5
gal/s
|
2910
gal/min
|
49
gal/s
|
2940
gal/min
|
49.5
gal/s
|
2970
gal/min
|
50
gal/s
|
3000
gal/min
|
If you like the website, share it on social media.