Volumetric flow rate.
Quart per Seconds to Cubic inches per Fortnight Converter — qt/s to in3/fn
Convert Quart per Seconds (qt/s) to Cubic inch per Fortnight (in3/fn) using the exact conversion factor (1 quart per seconds = 69,854,400 cubic inch per fortnight). See the formula, worked examples, and conversion table.
Quart per Seconds to Cubic inches 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 0.000946352946 / 1.35475066e-11.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Quart per Seconds to Cubic inches per Fortnight
Quart per Seconds and Cubic inch 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
cubic inches per fortnight = quart per seconds × 69854400
This factor comes from each unit's defined relationship to the category's base unit: 1 quart per seconds equals 0.000946352946 base units, and 1 cubic inch per fortnight equals 1.354751e-11 base units, so dividing one by the other gives the direct quart per seconds-to-cubic inch per fortnight factor of 69854400.
Simple example
1 qt/s × 69854400 = 69,854,400 in3/fn
1 quart per seconds = 69,854,400 cubic inches per fortnight.
Real-world example
60 qt/s × 69854400 = 4,191,264,000 in3/fn
60 quart per seconds = 4,191,264,000 cubic inches per fortnight.
Conversion table
| Quart per Seconds (qt/s) | Cubic inch per Fortnight (in3/fn) |
|---|---|
| 0.1 qt/s | 6,985,440 in3/fn |
| 1 qt/s | 69,854,400 in3/fn |
| 10 qt/s | 698,544,000 in3/fn |
| 60 qt/s | 4,191,264,000 in3/fn |
| 100 qt/s | 6,985,440,000 in3/fn |
| 1,000 qt/s | 69,854,400,000 in3/fn |
Reverse conversion: Cubic inch per Fortnight to Quart per Seconds
1 in3/fn × 1.431549e-8 = 1.431549e-8 qt/s
1 cubic inch per fortnight = 1.431549e-8 quart per seconds.
quart per seconds = cubic inches per fortnight × 1.431549e-8
For a page dedicated to this direction, see Cubic inch per Fortnight to Quart per Seconds.
Understanding the Quart per Seconds (qt/s)
Volumetric flow rate.
Understanding the Cubic inch per Fortnight (in3/fn)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic inches per fortnight are in 1 quart per seconds?
1 quart per seconds equals 69,854,400 cubic inches per fortnight, using the exact defined conversion factor rather than an estimate.
How do I convert quart per seconds to cubic inch per fortnight?
Multiply the quart per seconds value by 69854400. The converter above does this instantly to whatever precision you set.
How do I convert cubic inch per fortnight back to quart per seconds?
Use the reverse factor: 1 cubic inch per fortnight equals 1.431549e-8 quart per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a quart per seconds?
Quart per Seconds (qt/s) is a unit of flow rate.
What is a cubic inch per fortnight?
Cubic inch per Fortnight (in3/fn) is a unit of flow rate.
Is the quart per seconds to cubic inch per fortnight conversion exact?
Yes. Both quart per seconds and cubic inch per fortnight are defined by fixed standards rather than physical artifacts, so the factor of 69854400 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.