Volumetric flow rate.
Gallon per Years to Cubic Millimeter per Hours Converter — gal/yr to mm3/h
Convert Gallon per Years (gal/yr) to Cubic Millimeter per Hours (mm3/h) using the exact conversion factor (1 gallon per years = 431.837727 cubic millimeter per hours). See the formula, worked examples, and conversion table.
Gallon per Years to Cubic Millimeter 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 1.19954924e-10 / 2.77777778e-13.
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 Cubic Millimeter per Hours
Gallon per Years and Cubic Millimeter 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. Both are volumetric flow rate units.
Formula
cubic millimeter per hours = gallon per years × 431.83772699
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 cubic millimeter per hours equals 2.777778e-13 base units, so dividing one by the other gives the direct gallon per years-to-cubic millimeter per hours factor of 431.83772699.
Simple example
1 gal/yr × 431.837727 = 431.837727 mm3/h
1 gallon per years = 431.837727 cubic millimeter per hours.
Real-world example
60 gal/yr × 431.837727 = 25,910.26362 mm3/h
60 gallon per years = 25,910.26362 cubic millimeter per hours.
Conversion table
| Gallon per Years (gal/yr) | Cubic Millimeter per Hours (mm3/h) |
|---|---|
| 0.1 gal/yr | 43.1837727 mm3/h |
| 1 gal/yr | 431.837727 mm3/h |
| 10 gal/yr | 4,318.37727 mm3/h |
| 60 gal/yr | 25,910.26362 mm3/h |
| 100 gal/yr | 43,183.7727 mm3/h |
| 1,000 gal/yr | 431,837.727 mm3/h |
Reverse conversion: Cubic Millimeter per Hours to Gallon per Years
431.837727 mm3/h × 0.00231568466 = 1 gal/yr
431.837727 cubic millimeter per hours = 1 gallon per years.
gallon per years = cubic millimeter per hours × 0.00231568466
For a page dedicated to this direction, see Cubic Millimeter per Hours to Gallon per Years.
Understanding the Gallon per Years (gal/yr)
Volumetric flow rate.
Understanding the Cubic Millimeter per Hours (mm3/h)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic millimeter per hours are in 1 gallon per years?
1 gallon per years equals 431.837727 cubic millimeter per hours, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per years to cubic millimeter per hours?
Multiply the gallon per years value by 431.837727. The converter above does this instantly to whatever precision you set.
How do I convert cubic millimeter per hours back to gallon per years?
Use the reverse factor: 1 cubic millimeter per hours equals 0.0023156847 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 cubic millimeter per hours?
Cubic Millimeter per Hours (mm3/h) is a unit of flow rate.
Is the gallon per years to cubic millimeter per hours conversion exact?
Yes. Both gallon per years and cubic millimeter per hours are defined by fixed standards rather than physical artifacts, so the factor of 431.837727 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.