Volumetric flow rate.
Cubic inch per Seconds to Quarts per Fortnight Converter — in3/s to qt/fn
Convert Cubic inch per Seconds (in3/s) to Quart per Fortnight (qt/fn) using the exact conversion factor (1 cubic inch per seconds = 20,945.45455 quart per fortnight). See the formula, worked examples, and conversion table.
Cubic inch per Seconds to Quarts 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 1.6387064e-5 / 7.82368507e-10.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic inch per Seconds to Quarts per Fortnight
Cubic inch per Seconds and Quart 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. Both are volumetric flow rate units.
Formula
quarts per fortnight = cubic inch per seconds × 20945.4545455
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic inch per seconds equals 0.000016387064 base units, and 1 quart per fortnight equals 7.823685e-10 base units, so dividing one by the other gives the direct cubic inch per seconds-to-quart per fortnight factor of 20945.4545455.
Simple example
1 in3/s × 20945.45455 = 20,945.45455 qt/fn
1 cubic inch per seconds = 20,945.45455 quarts per fortnight.
Real-world example
60 in3/s × 20945.45455 = 1,256,727.273 qt/fn
60 cubic inch per seconds = 1,256,727.273 quarts per fortnight.
Conversion table
| Cubic inch per Seconds (in3/s) | Quart per Fortnight (qt/fn) |
|---|---|
| 0.1 in3/s | 2,094.545455 qt/fn |
| 1 in3/s | 20,945.45455 qt/fn |
| 10 in3/s | 209,454.5455 qt/fn |
| 60 in3/s | 1,256,727.273 qt/fn |
| 100 in3/s | 2,094,545.455 qt/fn |
| 1,000 in3/s | 20,945,454.55 qt/fn |
Reverse conversion: Quart per Fortnight to Cubic inch per Seconds
1 qt/fn × 0.00004774305556 = 0.0000477431 in3/s
1 quart per fortnight = 0.0000477431 cubic inch per seconds.
cubic inch per seconds = quarts per fortnight × 0.0000477430555556
For a page dedicated to this direction, see Quart per Fortnight to Cubic inch per Seconds.
Understanding the Cubic inch per Seconds (in3/s)
Volumetric flow rate.
Understanding the Quart per Fortnight (qt/fn)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many quarts per fortnight are in 1 cubic inch per seconds?
1 cubic inch per seconds equals 20,945.45455 quarts per fortnight, using the exact defined conversion factor rather than an estimate.
How do I convert cubic inch per seconds to quart per fortnight?
Multiply the cubic inch per seconds value by 20945.45455. The converter above does this instantly to whatever precision you set.
How do I convert quart per fortnight back to cubic inch per seconds?
Use the reverse factor: 1 quart per fortnight equals 0.0000477431 cubic inch per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic inch per seconds?
Cubic inch per Seconds (in3/s) is a unit of flow rate.
What is a quart per fortnight?
Quart per Fortnight (qt/fn) is a unit of flow rate.
Is the cubic inch per seconds to quart per fortnight conversion exact?
Yes. Both cubic inch per seconds and quart per fortnight are defined by fixed standards rather than physical artifacts, so the factor of 20945.45455 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.