Convert Gallons per hour to Cubic feet per second
Instantly convert Gallons per hour (GPH) to Cubic feet per second (ft³/s) with our free online calculator.
Formula: GPH to ft³/s — multiply by 3.7134e-5
Reference Table
| Gallons per hour (GPH) | Cubic feet per second (ft³/s) |
|---|---|
| 1 | 0.0000371338 |
| 5 | 0.000185669 |
| 10 | 0.000371338 |
| 25 | 0.000928345 |
| 50 | 0.00185669 |
| 100 | 0.00371338 |
How to Convert Gallons per hour to Cubic feet per second
Formula
To convert Gallons per hour (GPH) to Cubic feet per second (ft³/s): multiply by 3.7134e-5
Step-by-Step
- Start with your value in Gallons per hour (GPH).
- Multiply by 3.7134e-5 to perform the conversion.
- The result is your value expressed in Cubic feet per second (ft³/s).
Conversion Factor
1 GPH = 0.0000371338 ft³/s
Reverse Factor
1 ft³/s = 26929.7 GPH
Worked Example
Convert 25 Gallons per hour to Cubic feet per second: 25 GPH = 0.000928345 ft³/s
About Gallon per hour (GPH)
A US flow-rate unit for slow/metered flows. Used on aquarium pumps, water-feature recirculators, irrigation drip emitters, oil burners, fuel-dispensing meters, and some industrial dosing equipment. Boat fuel-flow meters also report fuel consumption in GPH, a useful figure for cruising range calculations.
About Cubic foot per second (ft³/s)
An imperial flow-rate unit used in US hydrology, river discharge measurement, and large-scale water-supply engineering. Also called "cusec" in water-resources jargon. Typical US river flow-rate reports (USGS streamgages) use cfs. A rainstorm runoff event in a small watershed might reach 100–500 cfs. 1 ft³/s = 7.48 gallons/second ≈ 28.3 L/s.
Quick Facts
- 1 Gallon per hour equals 0.0000371338 Cubic feet per second
- 1 Cubic foot per second equals 26929.7 Gallons per hour
- Gallon per hour is a unit of volumetric flow rate
- Cubic foot per second is a unit of volumetric flow rate
- This conversion is commonly used in plumbing, HVAC systems, and chemical process engineering
- The Gallon per hour belongs to the imperial system
Common Gallon per hour to Cubic foot per second Conversions
| Gallons per hour (GPH) | Cubic feet per second (ft³/s) |
|---|---|
| 0.01 | 3.713379e-7 |
| 0.1 | 0.00000371338 |
| 0.25 | 0.00000928345 |
| 0.5 | 0.0000185669 |
| 1 | 0.0000371338 |
| 2 | 0.0000742676 |
| 3 | 0.000111401 |
| 5 | 0.000185669 |
| 10 | 0.000371338 |
| 15 | 0.000557007 |
| 20 | 0.000742676 |
| 25 | 0.000928345 |
| 50 | 0.00185669 |
| 75 | 0.00278503 |
| 100 | 0.00371338 |
| 250 | 0.00928345 |
| 500 | 0.0185669 |
| 1000 | 0.0371338 |
| 5000 | 0.185669 |
| 10000 | 0.371338 |
Understanding Gallons per hour
The Gallon per hour (symbol: GPH) is a unit of volumetric flow rate. A US flow-rate unit for slow/metered flows. Used on aquarium pumps, water-feature recirculators, irrigation drip emitters, oil burners, fuel-dispensing meters, and some industrial dosing equipment. Boat fuel-flow meters also report fuel consumption in GPH, a useful figure for cruising range calculations.
It belongs to the imperial measurement system.
Gallons per hour are commonly used in plumbing, HVAC systems, and chemical process engineering.
Understanding Cubic feet per second
The Cubic foot per second (symbol: ft³/s) is a unit of volumetric flow rate. An imperial flow-rate unit used in US hydrology, river discharge measurement, and large-scale water-supply engineering. Also called "cusec" in water-resources jargon. Typical US river flow-rate reports (USGS streamgages) use cfs. A rainstorm runoff event in a small watershed might reach 100–500 cfs. 1 ft³/s = 7.48 gallons/second ≈ 28.3 L/s.
It belongs to the imperial measurement system.
Cubic feet per second are commonly used in plumbing, HVAC systems, and chemical process engineering.
Why Convert Gallons per hour to Cubic feet per second?
Converting between Gallons per hour and Cubic feet per second is a frequent requirement for engineers, scientists, and students working with volumetric flow rate values. Different industries and regions favour different unit systems, so having a dependable conversion tool saves time and prevents errors in technical calculations. Whether you are verifying a specification sheet, cross-checking simulation results, or preparing a report for an international audience, accurate volumetric flow rate conversion is essential.
Frequently Asked Questions
How do I convert Gallons per hour to Cubic feet per second?
A US flow-rate unit for slow/metered flows. To convert Gallons per hour to Cubic feet per second, multiply by 3.7134e-5. For example, 25 GPH equals 0.000928345 ft³/s.
How many Cubic feet per second are in 1 Gallon per hour?
There are 0.0000371338 Cubic feet per second in 1 Gallon per hour.
How many Gallons per hour are in 1 Cubic foot per second?
There are 26929.7 Gallons per hour in 1 Cubic foot per second.
What is the formula for Gallon per hour to Cubic foot per second conversion?
The formula is: multiply by 3.7134e-5. This means 1 GPH = 0.0000371338 ft³/s.
Is a Gallon per hour bigger than a Cubic foot per second?
Yes. One Gallon per hour is larger than one Cubic foot per second because 1 GPH equals 0.0000371338 ft³/s, which is less than 1.
When do you need to convert between Gallons per hour and Cubic feet per second?
An imperial flow-rate unit used in US hydrology, river discharge measurement, and large-scale water-supply engineering. Gallon per hour and Cubic foot per second are both volumetric flow units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.