Volumetric flow rate.
Gallon per Hours to Hectoliter per Years Converter — gal/h to hL/yr
Convert Gallon per Hours (gal/h) to Hectoliter per Years (hL/yr) using the exact conversion factor (1 gallon per hours = 331.8223832 hectoliter per years). See the formula, worked examples, and conversion table.
Gallon per Hours 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 1.05150327e-6 / 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 Hours to Hectoliter per Years
Gallon per Hours 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. Both are volumetric flow rate units.
Formula
hectoliter per years = gallon per hours × 331.822383244
This factor comes from each unit's defined relationship to the category's base unit: 1 gallon per hours equals 0.00000105150327333 base units, and 1 hectoliter per years equals 3.168874e-9 base units, so dividing one by the other gives the direct gallon per hours-to-hectoliter per years factor of 331.822383244.
Simple example
1 gal/h × 331.8223832 = 331.8223832 hL/yr
1 gallon per hours = 331.8223832 hectoliter per years.
Real-world example
60 gal/h × 331.8223832 = 19,909.34299 hL/yr
60 gallon per hours = 19,909.34299 hectoliter per years.
Conversion table
| Gallon per Hours (gal/h) | Hectoliter per Years (hL/yr) |
|---|---|
| 0.1 gal/h | 33.18223832 hL/yr |
| 1 gal/h | 331.8223832 hL/yr |
| 10 gal/h | 3,318.223832 hL/yr |
| 60 gal/h | 19,909.34299 hL/yr |
| 100 gal/h | 33,182.23832 hL/yr |
| 1,000 gal/h | 331,822.3832 hL/yr |
Reverse conversion: Hectoliter per Years to Gallon per Hours
331.8223832 hL/yr × 0.003013660472 = 0.9999999999 gal/h
331.8223832 hectoliter per years = 0.9999999999 gallon per hours.
gallon per hours = hectoliter per years × 0.00301366047167
For a page dedicated to this direction, see Hectoliter per Years to Gallon per Hours.
Understanding the Gallon per Hours (gal/h)
Volumetric flow rate.
Understanding the Hectoliter per Years (hL/yr)
Volumetric flow rate.
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 hours?
1 gallon per hours equals 331.8223832 hectoliter per years, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per hours to hectoliter per years?
Multiply the gallon per hours value by 331.8223832. The converter above does this instantly to whatever precision you set.
How do I convert hectoliter per years back to gallon per hours?
Use the reverse factor: 1 hectoliter per years equals 0.0030136605 gallon per hours. You can also use the swap control in the converter above to flip the direction instantly.
What is a gallon per hours?
Gallon per Hours (gal/h) is a unit of flow rate.
What is a hectoliter per years?
Hectoliter per Years (hL/yr) is a unit of flow rate.
Is the gallon per hours to hectoliter per years conversion exact?
Yes. Both gallon per hours and hectoliter per years are defined by fixed standards rather than physical artifacts, so the factor of 331.8223832 used above is exact to as many digits as you choose to display.
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.