Volumetric flow rate.
Hectoliter per Years to Cubic Millimeter per Seconds Converter — hL/yr to mm3/s
Convert Hectoliter per Years (hL/yr) to Cubic Millimeter per Seconds (mm3/s) using the exact conversion factor (1 hectoliter per years = 3.168873851 cubic millimeter per seconds). See the formula, worked examples, and conversion table.
Hectoliter per Years to Cubic Millimeter per Seconds converter
Converter
Flow Rate Converter
Convert volumetric flow rates across metric, US, imperial, industrial, and scientific units.
Volumetric flow rate.
Result = input x 3.16887385e-9 / 1e-9.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Hectoliter per Years to Cubic Millimeter per Seconds
Hectoliter per Years and Cubic Millimeter per Seconds 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 seconds = hectoliter per years × 3.16887385068
This factor comes from each unit's defined relationship to the category's base unit: 1 hectoliter per years equals 3.168874e-9 base units, and 1 cubic millimeter per seconds equals 1e-9 base units, so dividing one by the other gives the direct hectoliter per years-to-cubic millimeter per seconds factor of 3.16887385068.
Simple example
1 hL/yr × 3.168873851 = 3.168873851 mm3/s
1 hectoliter per years = 3.168873851 cubic millimeter per seconds.
Real-world example
60 hL/yr × 3.168873851 = 190.132431 mm3/s
60 hectoliter per years = 190.132431 cubic millimeter per seconds.
Conversion table
| Hectoliter per Years (hL/yr) | Cubic Millimeter per Seconds (mm3/s) |
|---|---|
| 0.1 hL/yr | 0.3168873851 mm3/s |
| 1 hL/yr | 3.168873851 mm3/s |
| 10 hL/yr | 31.68873851 mm3/s |
| 60 hL/yr | 190.132431 mm3/s |
| 100 hL/yr | 316.8873851 mm3/s |
| 1,000 hL/yr | 3,168.873851 mm3/s |
Reverse conversion: Cubic Millimeter per Seconds to Hectoliter per Years
3.168873851 mm3/s × 0.31556952 = 1 hL/yr
3.168873851 cubic millimeter per seconds = 1 hectoliter per years.
hectoliter per years = cubic millimeter per seconds × 0.31556952
For a page dedicated to this direction, see Cubic Millimeter per Seconds to Hectoliter per Years.
Understanding the Hectoliter per Years (hL/yr)
Volumetric flow rate.
Understanding the Cubic Millimeter per Seconds (mm3/s)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic millimeter per seconds are in 1 hectoliter per years?
1 hectoliter per years equals 3.168873851 cubic millimeter per seconds, using the exact defined conversion factor rather than an estimate.
How do I convert hectoliter per years to cubic millimeter per seconds?
Multiply the hectoliter per years value by 3.168873851. The converter above does this instantly to whatever precision you set.
How do I convert cubic millimeter per seconds back to hectoliter per years?
Use the reverse factor: 1 cubic millimeter per seconds equals 0.31556952 hectoliter per years. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectoliter per years?
Hectoliter per Years (hL/yr) is a unit of flow rate.
What is a cubic millimeter per seconds?
Cubic Millimeter per Seconds (mm3/s) is a unit of flow rate.
Is the hectoliter per years to cubic millimeter per seconds conversion exact?
Yes. Both hectoliter per years and cubic millimeter per seconds are defined by fixed standards rather than physical artifacts, so the factor of 3.168873851 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.