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.
“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.
Gallons per hour | Gallons per second |
---|---|
0
gal/h
|
0
gal/s
|
100
gal/h
|
0.0277778
gal/s
|
200
gal/h
|
0.0555556
gal/s
|
300
gal/h
|
0.0833333
gal/s
|
400
gal/h
|
0.111111
gal/s
|
500
gal/h
|
0.138889
gal/s
|
600
gal/h
|
0.166667
gal/s
|
700
gal/h
|
0.194444
gal/s
|
800
gal/h
|
0.222222
gal/s
|
900
gal/h
|
0.25
gal/s
|
1000
gal/h
|
0.277778
gal/s
|
1100
gal/h
|
0.305556
gal/s
|
1200
gal/h
|
0.333333
gal/s
|
1300
gal/h
|
0.361111
gal/s
|
1400
gal/h
|
0.388889
gal/s
|
1500
gal/h
|
0.416667
gal/s
|
1600
gal/h
|
0.444444
gal/s
|
1700
gal/h
|
0.472222
gal/s
|
1800
gal/h
|
0.5
gal/s
|
1900
gal/h
|
0.527778
gal/s
|
2000
gal/h
|
0.555556
gal/s
|
2100
gal/h
|
0.583333
gal/s
|
2200
gal/h
|
0.611111
gal/s
|
2300
gal/h
|
0.638889
gal/s
|
2400
gal/h
|
0.666667
gal/s
|
2500
gal/h
|
0.694444
gal/s
|
2600
gal/h
|
0.722222
gal/s
|
2700
gal/h
|
0.75
gal/s
|
2800
gal/h
|
0.777778
gal/s
|
2900
gal/h
|
0.805556
gal/s
|
3000
gal/h
|
0.833333
gal/s
|
3100
gal/h
|
0.861111
gal/s
|
3200
gal/h
|
0.888889
gal/s
|
3300
gal/h
|
0.916667
gal/s
|
3400
gal/h
|
0.944444
gal/s
|
3500
gal/h
|
0.972222
gal/s
|
3600
gal/h
|
1
gal/s
|
3700
gal/h
|
1.02778
gal/s
|
3800
gal/h
|
1.05556
gal/s
|
3900
gal/h
|
1.08333
gal/s
|
4000
gal/h
|
1.11111
gal/s
|
4100
gal/h
|
1.13889
gal/s
|
4200
gal/h
|
1.16667
gal/s
|
4300
gal/h
|
1.19444
gal/s
|
4400
gal/h
|
1.22222
gal/s
|
4500
gal/h
|
1.25
gal/s
|
4600
gal/h
|
1.27778
gal/s
|
4700
gal/h
|
1.30556
gal/s
|
4800
gal/h
|
1.33333
gal/s
|
4900
gal/h
|
1.36111
gal/s
|
5000
gal/h
|
1.38889
gal/s
|
5100
gal/h
|
1.41667
gal/s
|
5200
gal/h
|
1.44444
gal/s
|
5300
gal/h
|
1.47222
gal/s
|
5400
gal/h
|
1.5
gal/s
|
5500
gal/h
|
1.52778
gal/s
|
5600
gal/h
|
1.55556
gal/s
|
5700
gal/h
|
1.58333
gal/s
|
5800
gal/h
|
1.61111
gal/s
|
5900
gal/h
|
1.63889
gal/s
|
6000
gal/h
|
1.66667
gal/s
|
6100
gal/h
|
1.69444
gal/s
|
6200
gal/h
|
1.72222
gal/s
|
6300
gal/h
|
1.75
gal/s
|
6400
gal/h
|
1.77778
gal/s
|
6500
gal/h
|
1.80556
gal/s
|
6600
gal/h
|
1.83333
gal/s
|
6700
gal/h
|
1.86111
gal/s
|
6800
gal/h
|
1.88889
gal/s
|
6900
gal/h
|
1.91667
gal/s
|
7000
gal/h
|
1.94444
gal/s
|
7100
gal/h
|
1.97222
gal/s
|
7200
gal/h
|
2
gal/s
|
7300
gal/h
|
2.02778
gal/s
|
7400
gal/h
|
2.05556
gal/s
|
7500
gal/h
|
2.08333
gal/s
|
7600
gal/h
|
2.11111
gal/s
|
7700
gal/h
|
2.13889
gal/s
|
7800
gal/h
|
2.16667
gal/s
|
7900
gal/h
|
2.19444
gal/s
|
8000
gal/h
|
2.22222
gal/s
|
8100
gal/h
|
2.25
gal/s
|
8200
gal/h
|
2.27778
gal/s
|
8300
gal/h
|
2.30556
gal/s
|
8400
gal/h
|
2.33333
gal/s
|
8500
gal/h
|
2.36111
gal/s
|
8600
gal/h
|
2.38889
gal/s
|
8700
gal/h
|
2.41667
gal/s
|
8800
gal/h
|
2.44444
gal/s
|
8900
gal/h
|
2.47222
gal/s
|
9000
gal/h
|
2.5
gal/s
|
9100
gal/h
|
2.52778
gal/s
|
9200
gal/h
|
2.55556
gal/s
|
9300
gal/h
|
2.58333
gal/s
|
9400
gal/h
|
2.61111
gal/s
|
9500
gal/h
|
2.63889
gal/s
|
9600
gal/h
|
2.66667
gal/s
|
9700
gal/h
|
2.69444
gal/s
|
9800
gal/h
|
2.72222
gal/s
|
9900
gal/h
|
2.75
gal/s
|
10000
gal/h
|
2.77778
gal/s
|
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