Volumetric flow rate.
Gallon per Years to Cup per Decades Converter — gal/yr to cup/decade
Convert Gallon per Years (gal/yr) to Cup per Decades (cup/decade) using the exact conversion factor (1 gallon per years = 160 cup per decades). See the formula, worked examples, and conversion table.
Gallon per Years to Cup per Decades 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 / 7.49718276e-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 Cup per Decades
Gallon per Years and Cup per Decades 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
cup per decades = gallon per years × 160
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 cup per decades equals 7.497183e-13 base units, so dividing one by the other gives the direct gallon per years-to-cup per decades factor of 160.
Simple example
1 gal/yr × 160 = 160 cup/decade
1 gallon per years = 160 cup per decades.
Real-world example
60 gal/yr × 160 = 9,600 cup/decade
60 gallon per years = 9,600 cup per decades.
Conversion table
| Gallon per Years (gal/yr) | Cup per Decades (cup/decade) |
|---|---|
| 0.1 gal/yr | 16 cup/decade |
| 1 gal/yr | 160 cup/decade |
| 10 gal/yr | 1,600 cup/decade |
| 60 gal/yr | 9,600 cup/decade |
| 100 gal/yr | 16,000 cup/decade |
| 1,000 gal/yr | 160,000 cup/decade |
Reverse conversion: Cup per Decades to Gallon per Years
160 cup/decade × 0.00625 = 1 gal/yr
160 cup per decades = 1 gallon per years.
gallon per years = cup per decades × 0.00625
For a page dedicated to this direction, see Cup per Decades to Gallon per Years.
Understanding the Gallon per Years (gal/yr)
Volumetric flow rate.
Understanding the Cup per Decades (cup/decade)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cup per decades are in 1 gallon per years?
1 gallon per years equals 160 cup per decades, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per years to cup per decades?
Multiply the gallon per years value by 160. The converter above does this instantly to whatever precision you set.
How do I convert cup per decades back to gallon per years?
Use the reverse factor: 1 cup per decades equals 0.00625 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 cup per decades?
Cup per Decades (cup/decade) is a unit of flow rate.
Is the gallon per years to cup per decades conversion exact?
Yes. Both gallon per years and cup per decades are defined by fixed standards rather than physical artifacts, so the factor of 160 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.