Gallon (US) per hour (GPH)
One US liquid gallon every hour. Used for aquarium pumps and fuel burners.
What is a US gallon per hour?
- Symbol
- GPH
- Quantity
- Flow Rate
- Unit system
- US customary
- Definition
- One US liquid gallon every hour. Used for aquarium pumps and fuel burners.
- Exact
- Yes, the value is exact by definition
- Source
- NIST Special Publication 811 (2008), Appendix B.8
Common applications
Used in the United States for pond and aquarium pumps, oil burner nozzles and engine fuel flow.
Gallon (US) per hour in other flow rate units
- 1 GPH ≈ 0.000001051503273 m³/sCubic meter per second
- 1 GPH = 0.003785411784 m³/hCubic meter per hour
- 1 GPH = 0.0000630901964 m³/minCubic meter per minute
- 1 GPH ≈ 0.001051503273 L/sLiter per second
- 1 GPH = 0.0630901964 L/minLiter per minute
- 1 GPH = 3.785411784 L/hLiter per hour
- 1 GPH = 63.0901964 mL/minMilliliter per minute
- 1 GPH ≈ 0.00003713348765 ft³/sCubic foot per second
- 1 GPH ≈ 0.002228009259 CFMCubic foot per minute
- 1 GPH ≈ 0.01666666667 GPMGallon (US) per minute
- 1 GPH = 24 GPDGallon (US) per day
- 1 GPH = 0.000024 MGDMillion gallons (US) per day
- 1 GPH ≈ 0.01387790308 imp gal/minGallon (imperial) per minute
- 1 GPH ≈ 0.5714285714 bbl/dBarrel (oil) per day
Gallon (US) per hour quick reference
| Gallon (US) per hour | Liter per minute | Gallon (US) per minute | Cubic meter per second |
|---|---|---|---|
| 1 GPH | = 0.0630901964 L/min | ≈ 0.01666666667 GPM | ≈ 0.000001051503273 m³/s |
| 10 GPH | = 0.630901964 L/min | ≈ 0.1666666667 GPM | ≈ 0.00001051503273 m³/s |
| 100 GPH | = 6.30901964 L/min | ≈ 1.666666667 GPM | ≈ 0.0001051503273 m³/s |
| 1000 GPH | = 63.0901964 L/min | ≈ 16.66666667 GPM | ≈ 0.001051503273 m³/s |
Where the US gallon per hour fits
The next smaller flow rate unit is the liter per hour (L/h). 1 GPH = 3.785411784 L/h, and 1 L/h ≈ 0.2641720524 GPH.
The next larger flow rate unit is the oil barrel per day (bbl/d). 1 GPH ≈ 0.5714285714 bbl/d, and 1 bbl/d = 1.75 GPH.
Frequently asked questions
- How many liters per minute are in one US gallon per hour?
- One US gallon per hour = 0.0630901964 L/min (liters per minute).
- How many US gallons per minute are in one US gallon per hour?
- One US gallon per hour ≈ 0.01666666667 GPM (US gallons per minute).
- How many cubic meters per second are in one US gallon per hour?
- One US gallon per hour ≈ 0.000001051503273 m³/s (cubic meters per second).