Volumetric flow rate.
Cup per Seconds to Gallon per Years Converter — cup/s to gal/yr
Convert Cup per Seconds (cup/s) to Gallon per Years (gal/yr) using the exact conversion factor (1 cup per seconds = 1,972,309.5 gallon per years). See the formula, worked examples, and conversion table.
Cup per Seconds to Gallon 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 0.0002365882365 / 1.19954924e-10.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cup per Seconds to Gallon per Years
Cup per Seconds and Gallon 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
gallon per years = cup per seconds × 1972309.5
This factor comes from each unit's defined relationship to the category's base unit: 1 cup per seconds equals 0.0002365882365 base units, and 1 gallon per years equals 1.199549e-10 base units, so dividing one by the other gives the direct cup per seconds-to-gallon per years factor of 1972309.5.
Simple example
1 cup/s × 1972309.5 = 1,972,309.5 gal/yr
1 cup per seconds = 1,972,309.5 gallon per years.
Real-world example
60 cup/s × 1972309.5 = 118,338,570 gal/yr
60 cup per seconds = 118,338,570 gallon per years.
Conversion table
| Cup per Seconds (cup/s) | Gallon per Years (gal/yr) |
|---|---|
| 0.1 cup/s | 197,230.95 gal/yr |
| 1 cup/s | 1,972,309.5 gal/yr |
| 10 cup/s | 19,723,095 gal/yr |
| 60 cup/s | 118,338,570 gal/yr |
| 100 cup/s | 197,230,950 gal/yr |
| 1,000 cup/s | 1,972,309,500 gal/yr |
Reverse conversion: Gallon per Years to Cup per Seconds
1 gal/yr × 5.070198e-7 = 5.070198e-7 cup/s
1 gallon per years = 5.070198e-7 cup per seconds.
cup per seconds = gallon per years × 5.070198e-7
For a page dedicated to this direction, see Gallon per Years to Cup per Seconds.
Understanding the Cup per Seconds (cup/s)
Volumetric flow rate.
Understanding the Gallon per Years (gal/yr)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallon per years are in 1 cup per seconds?
1 cup per seconds equals 1,972,309.5 gallon per years, using the exact defined conversion factor rather than an estimate.
How do I convert cup per seconds to gallon per years?
Multiply the cup per seconds value by 1972309.5. The converter above does this instantly to whatever precision you set.
How do I convert gallon per years back to cup per seconds?
Use the reverse factor: 1 gallon per years equals 5.070198e-7 cup per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a cup per seconds?
Cup per Seconds (cup/s) is a unit of flow rate.
What is a gallon per years?
Gallon per Years (gal/yr) is a unit of flow rate.
Is the cup per seconds to gallon per years conversion exact?
Yes. Both cup per seconds and gallon per years are defined by fixed standards rather than physical artifacts, so the factor of 1972309.5 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.