Volumetric flow rate.
Gallon per Minutes to Hectoliter per Years Converter — gal/min to hL/yr
Convert Gallon per Minutes (gal/min) to Hectoliter per Years (hL/yr) using the exact conversion factor (1 gallon per minutes = 19,909.34299 hectoliter per years). See the formula, worked examples, conversion table, and common uses.
Gallon per Minutes to Hectoliter per Years 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 / 3.16887385e-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 Hectoliter per Years
Gallon per Minutes and Hectoliter per Years 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
hectoliter per years = gallon per minutes × 19909.3429947
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 hectoliter per years equals 3.168874e-9 base units, so dividing one by the other gives the direct gallon per minutes-to-hectoliter per years factor of 19909.3429947.
Simple example
1 gal/min × 19909.34299 = 19,909.34299 hL/yr
1 gallon per minutes = 19,909.34299 hectoliter per years.
Real-world example
60 gal/min × 19909.34299 = 1,194,560.58 hL/yr
60 gallon per minutes = 1,194,560.58 hectoliter per years.
Conversion table
| Gallon per Minutes (gal/min) | Hectoliter per Years (hL/yr) |
|---|---|
| 0.1 gal/min | 1,990.934299 hL/yr |
| 1 gal/min | 19,909.34299 hL/yr |
| 10 gal/min | 199,093.4299 hL/yr |
| 60 gal/min | 1,194,560.58 hL/yr |
| 100 gal/min | 1,990,934.299 hL/yr |
| 1,000 gal/min | 19,909,342.99 hL/yr |
Reverse conversion: Hectoliter per Years to Gallon per Minutes
1 hL/yr × 0.00005022767453 = 0.0000502277 gal/min
1 hectoliter per years = 0.0000502277 gallon per minutes.
gallon per minutes = hectoliter per years × 0.0000502276745279
For a page dedicated to this direction, see Hectoliter per Years 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 Hectoliter per Years (hL/yr)
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 hectoliter per years are in 1 gallon per minutes?
1 gallon per minutes equals 19,909.34299 hectoliter per years, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per minutes to hectoliter per years?
Multiply the gallon per minutes value by 19909.34299. The converter above does this instantly to whatever precision you set.
How do I convert hectoliter per years back to gallon per minutes?
Use the reverse factor: 1 hectoliter per years equals 0.0000502277 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 hectoliter per years?
Hectoliter per Years (hL/yr) is a unit of flow rate.
Is the gallon per minutes to hectoliter per years conversion exact?
Yes. Both gallon per minutes and hectoliter per years are defined by fixed standards rather than physical artifacts, so the factor of 19909.34299 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.