Volumetric flow rate.
Cup per Years to Cubic Kilometer per Seconds Converter — cup/yr to km3/s
Convert Cup per Years (cup/yr) to Cubic Kilometer per Seconds (km3/s) using the exact conversion factor (1 cup per years = 7.497183e-21 cubic kilometer per seconds). See the formula, worked examples, and conversion table.
Cup per Years to Cubic Kilometer per Seconds 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 7.49718276e-12 / 1e+9.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cup per Years to Cubic Kilometer per Seconds
Cup per Years and Cubic Kilometer 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 kilometer per seconds = cup per years × 7.497183e-21
This factor comes from each unit's defined relationship to the category's base unit: 1 cup per years equals 7.497183e-12 base units, and 1 cubic kilometer per seconds equals 1000000000 base units, so dividing one by the other gives the direct cup per years-to-cubic kilometer per seconds factor of 7.497183e-21.
Simple example
1 cup/yr × 7.497183e-21 = 7.497183e-21 km3/s
1 cup per years = 7.497183e-21 cubic kilometer per seconds.
Real-world example
60 cup/yr × 7.497183e-21 = 4.49831e-19 km3/s
60 cup per years = 4.49831e-19 cubic kilometer per seconds.
Conversion table
| Cup per Years (cup/yr) | Cubic Kilometer per Seconds (km3/s) |
|---|---|
| 0.1 cup/yr | 7.497183e-22 km3/s |
| 1 cup/yr | 7.497183e-21 km3/s |
| 10 cup/yr | 7.497183e-20 km3/s |
| 60 cup/yr | 4.49831e-19 km3/s |
| 100 cup/yr | 7.497183e-19 km3/s |
| 1,000 cup/yr | 7.497183e-18 km3/s |
Reverse conversion: Cubic Kilometer per Seconds to Cup per Years
7.497183e-21 km3/s × 1.333834e+20 = 1.000000032 cup/yr
7.497183e-21 cubic kilometer per seconds = 1.000000032 cup per years.
cup per years = cubic kilometer per seconds × 1.333834e+20
For a page dedicated to this direction, see Cubic Kilometer per Seconds to Cup per Years.
Understanding the Cup per Years (cup/yr)
Volumetric flow rate.
Understanding the Cubic Kilometer per Seconds (km3/s)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic kilometer per seconds are in 1 cup per years?
1 cup per years equals 7.497183e-21 cubic kilometer per seconds, using the exact defined conversion factor rather than an estimate.
How do I convert cup per years to cubic kilometer per seconds?
Multiply the cup per years value by 7.497183e-21. The converter above does this instantly to whatever precision you set.
How do I convert cubic kilometer per seconds back to cup per years?
Use the reverse factor: 1 cubic kilometer per seconds equals 1.333834e+20 cup per years. You can also use the swap control in the converter above to flip the direction instantly.
What is a cup per years?
Cup per Years (cup/yr) is a unit of flow rate.
What is a cubic kilometer per seconds?
Cubic Kilometer per Seconds (km3/s) is a unit of flow rate.
Is the cup per years to cubic kilometer per seconds conversion exact?
Yes. Both cup per years and cubic kilometer per seconds are defined by fixed standards rather than physical artifacts, so the factor of 7.497183e-21 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.