Volumetric flow rate.
Quarts per Fortnight to Cubic inch per Days Converter — qt/fn to in3/d
Convert Quart per Fortnight (qt/fn) to Cubic inch per Days (in3/d) using the exact conversion factor (1 quart per fortnight = 4.125 cubic inch per days). See the formula, worked examples, and conversion table.
Quarts per Fortnight to Cubic inch per Days 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 7.82368507e-10 / 1.89665093e-10.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Quarts per Fortnight to Cubic inch per Days
Quart per Fortnight and Cubic inch per Days 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 inch per days = quarts per fortnight × 4.125
This factor comes from each unit's defined relationship to the category's base unit: 1 quart per fortnight equals 7.823685e-10 base units, and 1 cubic inch per days equals 1.896651e-10 base units, so dividing one by the other gives the direct quart per fortnight-to-cubic inch per days factor of 4.125.
Simple example
1 qt/fn × 4.125 = 4.125 in3/d
1 quart per fortnight = 4.125 cubic inch per days.
Real-world example
60 qt/fn × 4.125 = 247.5 in3/d
60 quarts per fortnight = 247.5 cubic inch per days.
Conversion table
| Quart per Fortnight (qt/fn) | Cubic inch per Days (in3/d) |
|---|---|
| 0.1 qt/fn | 0.4125 in3/d |
| 1 qt/fn | 4.125 in3/d |
| 10 qt/fn | 41.25 in3/d |
| 60 qt/fn | 247.5 in3/d |
| 100 qt/fn | 412.5 in3/d |
| 1,000 qt/fn | 4,125 in3/d |
Reverse conversion: Cubic inch per Days to Quart per Fortnight
4.125 in3/d × 0.2424242424 = 1 qt/fn
4.125 cubic inch per days = 1 quart per fortnight.
quarts per fortnight = cubic inch per days × 0.242424242424
For a page dedicated to this direction, see Cubic inch per Days to Quart per Fortnight.
Understanding the Quart per Fortnight (qt/fn)
Volumetric flow rate.
Understanding the Cubic inch per Days (in3/d)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic inch per days are in 1 quart per fortnight?
1 quart per fortnight equals 4.125 cubic inch per days, using the exact defined conversion factor rather than an estimate.
How do I convert quart per fortnight to cubic inch per days?
Multiply the quart per fortnight value by 4.125. The converter above does this instantly to whatever precision you set.
How do I convert cubic inch per days back to quart per fortnight?
Use the reverse factor: 1 cubic inch per days equals 0.2424242424 quarts per fortnight. You can also use the swap control in the converter above to flip the direction instantly.
What is a quart per fortnight?
Quart per Fortnight (qt/fn) is a unit of flow rate.
What is a cubic inch per days?
Cubic inch per Days (in3/d) is a unit of flow rate.
Is the quart per fortnight to cubic inch per days conversion exact?
Yes. Both quart per fortnight and cubic inch per days are defined by fixed standards rather than physical artifacts, so the factor of 4.125 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.