Volumetric flow rate.
Gallon per Minutes to Fluid ounce per Hours Converter — gal/min to fl oz/h
Convert Gallon per Minutes (gal/min) to Fluid ounce per Hours (fl oz/h) using the exact conversion factor (1 gallon per minutes = 7,680 fluid ounce per hours). See the formula, worked examples, conversion table, and common uses.
Gallon per Minutes to Fluid ounce per Hours converter
Converter
Flow Rate Converter
Convert volumetric flow rates across metric, US, imperial, industrial, and scientific units.
Context values
Some unit families need one extra value for a physically accurate result.
Volumetric flow rate.
Result = input x 6.30901964e-5 / 8.21486932e-9.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gallon per Minutes to Fluid ounce per Hours
Gallon per Minutes and Fluid ounce per Hours both measure volumetric flow rate — how much volume passes a point over time — used to size pipes and pumps, monitor river or stream discharge, control industrial processes, and set medical infusion rates. Gallon per Minutes is most often used for us residential and commercial plumbing fixture flow ratings.
Formula
fluid ounce per hours = gallon per minutes × 7680
This factor comes from each unit's defined relationship to the category's base unit: 1 gallon per minutes equals 0.0000630901964 base units, and 1 fluid ounce per hours equals 8.214869e-9 base units, so dividing one by the other gives the direct gallon per minutes-to-fluid ounce per hours factor of 7680.
Simple example
1 gal/min × 7680 = 7,680 fl oz/h
1 gallon per minutes = 7,680 fluid ounce per hours.
Real-world example
60 gal/min × 7680 = 460,800 fl oz/h
60 gallon per minutes = 460,800 fluid ounce per hours.
Conversion table
| Gallon per Minutes (gal/min) | Fluid ounce per Hours (fl oz/h) |
|---|---|
| 0.1 gal/min | 768 fl oz/h |
| 1 gal/min | 7,680 fl oz/h |
| 10 gal/min | 76,800 fl oz/h |
| 60 gal/min | 460,800 fl oz/h |
| 100 gal/min | 768,000 fl oz/h |
| 1,000 gal/min | 7,680,000 fl oz/h |
Reverse conversion: Fluid ounce per Hours to Gallon per Minutes
1 fl oz/h × 0.0001302083333 = 0.0001302083 gal/min
1 fluid ounce per hours = 0.0001302083 gallon per minutes.
gallon per minutes = fluid ounce per hours × 0.000130208333333
For a page dedicated to this direction, see Fluid ounce per Hours to Gallon per Minutes.
Understanding the Gallon per Minutes
Gallon per Minutes (gal/min) measures volumetric flow rate. The standard US unit for pump, plumbing, and irrigation flow-rate specifications. It is classified as a US customary flow-rate unit.
Where it's used: United States (plumbing, pump, and irrigation industry standard)
Uses of the Gallon per Minutes today
- US residential and commercial plumbing fixture flow ratings
- US pump and irrigation system specifications
- US pool and spa filtration system sizing
Understanding the Fluid ounce per Hours (fl oz/h)
Volumetric flow rate.
Gallon per Minutes — sources
- NIST Handbook 44 — General tables of units including US customary flow-rate measures.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many fluid ounce per hours are in 1 gallon per minutes?
1 gallon per minutes equals 7,680 fluid ounce per hours, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per minutes to fluid ounce per hours?
Multiply the gallon per minutes value by 7680. The converter above does this instantly to whatever precision you set.
How do I convert fluid ounce per hours back to gallon per minutes?
Use the reverse factor: 1 fluid ounce per hours equals 0.0001302083 gallon per minutes. You can also use the swap control in the converter above to flip the direction instantly.
What is a gallon per minutes?
Gallon per Minutes (gal/min) measures volumetric flow rate. The standard US unit for pump, plumbing, and irrigation flow-rate specifications. It is classified as a US customary flow-rate unit.
What is a fluid ounce per hours?
Fluid ounce per Hours (fl oz/h) is a unit of flow rate.
Is the gallon per minutes to fluid ounce per hours conversion exact?
Yes. Both gallon per minutes and fluid ounce per hours are defined by fixed standards rather than physical artifacts, so the factor of 7680 used above is exact to as many digits as you choose to display.
Where is the gallon per minutes still used today?
United States (plumbing, pump, and irrigation industry standard)
What's the difference between volumetric and mass flow rate?
Volumetric flow rate measures the volume of fluid passing a point per unit time (for example, liters per second). Mass flow rate measures the mass instead. For a fluid of constant density the two are directly proportional, but for compressible fluids like gases, mass flow is often the more meaningful quantity.