Volumetric flow rate.
Cubic Kilometer per Seconds to Metric cup per Seconds Converter — km3/s to metric cup/s
Convert Cubic Kilometer per Seconds (km3/s) to Metric cup per Seconds (metric cup/s) using the exact conversion factor (1 cubic kilometer per seconds = 4e+12 metric cup per seconds). See the formula, worked examples, and conversion table.
Cubic Kilometer per Seconds to Metric cup 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 1e+9 / 0.00025.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic Kilometer per Seconds to Metric cup per Seconds
Cubic Kilometer per Seconds and Metric cup 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
metric cup per seconds = cubic kilometer per seconds × 4e+12
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic kilometer per seconds equals 1000000000 base units, and 1 metric cup per seconds equals 0.00025 base units, so dividing one by the other gives the direct cubic kilometer per seconds-to-metric cup per seconds factor of 4e+12.
Simple example
1 km3/s × 4e+12 = 4e+12 metric cup/s
1 cubic kilometer per seconds = 4e+12 metric cup per seconds.
Real-world example
60 km3/s × 4e+12 = 2.4e+14 metric cup/s
60 cubic kilometer per seconds = 2.4e+14 metric cup per seconds.
Conversion table
| Cubic Kilometer per Seconds (km3/s) | Metric cup per Seconds (metric cup/s) |
|---|---|
| 0.1 km3/s | 400,000,000,000 metric cup/s |
| 1 km3/s | 4e+12 metric cup/s |
| 10 km3/s | 4e+13 metric cup/s |
| 60 km3/s | 2.4e+14 metric cup/s |
| 100 km3/s | 4e+14 metric cup/s |
| 1,000 km3/s | 4e+15 metric cup/s |
Reverse conversion: Metric cup per Seconds to Cubic Kilometer per Seconds
4e+12 metric cup/s × 2.5e-13 = 1 km3/s
4e+12 metric cup per seconds = 1 cubic kilometer per seconds.
cubic kilometer per seconds = metric cup per seconds × 2.5e-13
For a page dedicated to this direction, see Metric cup per Seconds to Cubic Kilometer per Seconds.
Understanding the Cubic Kilometer per Seconds (km3/s)
Volumetric flow rate.
Understanding the Metric cup per Seconds (metric cup/s)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many metric cup per seconds are in 1 cubic kilometer per seconds?
1 cubic kilometer per seconds equals 4e+12 metric cup per seconds, using the exact defined conversion factor rather than an estimate.
How do I convert cubic kilometer per seconds to metric cup per seconds?
Multiply the cubic kilometer per seconds value by 4e+12. The converter above does this instantly to whatever precision you set.
How do I convert metric cup per seconds back to cubic kilometer per seconds?
Use the reverse factor: 1 metric cup per seconds equals 2.5e-13 cubic kilometer per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic kilometer per seconds?
Cubic Kilometer per Seconds (km3/s) is a unit of flow rate.
What is a metric cup per seconds?
Metric cup per Seconds (metric cup/s) is a unit of flow rate.
Is the cubic kilometer per seconds to metric cup per seconds conversion exact?
Yes. Both cubic kilometer per seconds and metric cup per seconds are defined by fixed standards rather than physical artifacts, so the factor of 4e+12 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.