Volumetric flow rate.
Gallon per Years to Hectoliter per Days Converter — gal/yr to hL/d
Convert Gallon per Years (gal/yr) to Hectoliter per Days (hL/d) using the exact conversion factor (1 gallon per years = 0.0001036411 hectoliter per days). See the formula, worked examples, and conversion table.
Gallon per Years to Hectoliter per Days 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 1.19954924e-10 / 1.15740741e-6.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gallon per Years to Hectoliter per Days
Gallon per Years and Hectoliter per Days 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 days = gallon per years × 0.000103641054478
This factor comes from each unit's defined relationship to the category's base unit: 1 gallon per years equals 1.199549e-10 base units, and 1 hectoliter per days equals 0.00000115740740741 base units, so dividing one by the other gives the direct gallon per years-to-hectoliter per days factor of 0.000103641054478.
Simple example
1 gal/yr × 0.0001036410545 = 0.0001036411 hL/d
1 gallon per years = 0.0001036411 hectoliter per days.
Real-world example
60 gal/yr × 0.0001036410545 = 0.0062184633 hL/d
60 gallon per years = 0.0062184633 hectoliter per days.
Conversion table
| Gallon per Years (gal/yr) | Hectoliter per Days (hL/d) |
|---|---|
| 0.1 gal/yr | 0.0000103641 hL/d |
| 1 gal/yr | 0.0001036411 hL/d |
| 10 gal/yr | 0.0010364105 hL/d |
| 60 gal/yr | 0.0062184633 hL/d |
| 100 gal/yr | 0.0103641055 hL/d |
| 1,000 gal/yr | 0.1036410545 hL/d |
Reverse conversion: Hectoliter per Days to Gallon per Years
0.0001036411 hL/d × 9648.686083 = 1.000000439 gal/yr
0.0001036411 hectoliter per days = 1.000000439 gallon per years.
gallon per years = hectoliter per days × 9648.68608334
For a page dedicated to this direction, see Hectoliter per Days to Gallon per Years.
Understanding the Gallon per Years (gal/yr)
Volumetric flow rate.
Understanding the Hectoliter per Days (hL/d)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectoliter per days are in 1 gallon per years?
1 gallon per years equals 0.0001036411 hectoliter per days, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per years to hectoliter per days?
Multiply the gallon per years value by 0.0001036410545. The converter above does this instantly to whatever precision you set.
How do I convert hectoliter per days back to gallon per years?
Use the reverse factor: 1 hectoliter per days equals 9,648.686083 gallon per years. You can also use the swap control in the converter above to flip the direction instantly.
What is a gallon per years?
Gallon per Years (gal/yr) is a unit of flow rate.
What is a hectoliter per days?
Hectoliter per Days (hL/d) is a unit of flow rate.
Is the gallon per years to hectoliter per days conversion exact?
Yes. Both gallon per years and hectoliter per days are defined by fixed standards rather than physical artifacts, so the factor of 0.0001036410545 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.