Volumetric flow rate.
Cubic foot per Seconds to Cubic Kilometers per Fortnight Converter — ft3/s to km3/fn
Convert Cubic foot per Seconds (ft3/s) to Cubic Kilometer per Fortnight (km3/fn) using the exact conversion factor (1 cubic foot per seconds = 0.0000342521 cubic kilometer per fortnight). See the formula, worked examples, conversion table, and common uses.
Cubic foot per Seconds to Cubic Kilometers per Fortnight 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 0.02831684659 / 826.7195767.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic foot per Seconds to Cubic Kilometers per Fortnight
Cubic foot per Seconds and Cubic Kilometer per Fortnight 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. Cubic foot per Seconds is most often used for the standard unit used by the us geological survey for reporting river and stream discharge at gauging stations.
Formula
cubic kilometers per fortnight = cubic foot per seconds × 0.0000342520576377
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic foot per seconds equals 0.028316846592 base units, and 1 cubic kilometer per fortnight equals 826.71957672 base units, so dividing one by the other gives the direct cubic foot per seconds-to-cubic kilometer per fortnight factor of 0.0000342520576377.
Simple example
1 ft3/s × 0.00003425205764 = 0.0000342521 km3/fn
1 cubic foot per seconds = 0.0000342521 cubic kilometers per fortnight.
Real-world example
60 ft3/s × 0.00003425205764 = 0.0020551235 km3/fn
60 cubic foot per seconds = 0.0020551235 cubic kilometers per fortnight.
Conversion table
| Cubic foot per Seconds (ft3/s) | Cubic Kilometer per Fortnight (km3/fn) |
|---|---|
| 0.1 ft3/s | 0.0000034252 km3/fn |
| 1 ft3/s | 0.0000342521 km3/fn |
| 10 ft3/s | 0.0003425206 km3/fn |
| 60 ft3/s | 0.0020551235 km3/fn |
| 100 ft3/s | 0.0034252058 km3/fn |
| 1,000 ft3/s | 0.0342520576 km3/fn |
Reverse conversion: Cubic Kilometer per Fortnight to Cubic foot per Seconds
0.0000342521 km3/fn × 29195.32632 = 1.000001237 ft3/s
0.0000342521 cubic kilometers per fortnight = 1.000001237 cubic foot per seconds.
cubic foot per seconds = cubic kilometers per fortnight × 29195.326324
For a page dedicated to this direction, see Cubic Kilometer per Fortnight to Cubic foot per Seconds.
Understanding the Cubic foot per Seconds
Cubic foot per Seconds (ft3/s) measures volumetric flow rate. One cubic foot of volume passing a point every second. It is classified as a US customary flow-rate unit.
Where it's used: United States
Uses of the Cubic foot per Seconds today
- The standard unit used by the US Geological Survey for reporting river and stream discharge at gauging stations
Understanding the Cubic Kilometer per Fortnight (km3/fn)
Volumetric flow rate.
Cubic foot per Seconds — sources
- USGS Water Science School — Cubic feet per second (cfs) is the standard unit USGS uses to report streamflow.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic kilometers per fortnight are in 1 cubic foot per seconds?
1 cubic foot per seconds equals 0.0000342521 cubic kilometers per fortnight, using the exact defined conversion factor rather than an estimate.
How do I convert cubic foot per seconds to cubic kilometer per fortnight?
Multiply the cubic foot per seconds value by 0.00003425205764. The converter above does this instantly to whatever precision you set.
How do I convert cubic kilometer per fortnight back to cubic foot per seconds?
Use the reverse factor: 1 cubic kilometer per fortnight equals 29,195.32632 cubic foot per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic foot per seconds?
Cubic foot per Seconds (ft3/s) measures volumetric flow rate. One cubic foot of volume passing a point every second. It is classified as a US customary flow-rate unit.
What is a cubic kilometer per fortnight?
Cubic Kilometer per Fortnight (km3/fn) is a unit of flow rate.
Is the cubic foot per seconds to cubic kilometer per fortnight conversion exact?
Yes. Both cubic foot per seconds and cubic kilometer per fortnight are defined by fixed standards rather than physical artifacts, so the factor of 0.00003425205764 used above is exact to as many digits as you choose to display.
Where is the cubic foot per seconds still used today?
United States
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.