Mass per volume density.
Pounds per Quart to Stones per Fluid ounce Converter — lb/qt to st/fl oz
Convert Pound per Quart (lb/qt) to Stone per Fluid ounce (st/fl oz) using the exact conversion factor (1 pound per quart = 0.0022321429 stone per fluid ounce). See the formula, worked examples, and conversion table.
Pounds per Quart to Stones per Fluid ounce converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 479.3057093 / 214728.9578.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Quart to Stones per Fluid ounce
Pound per Quart and Stone per Fluid ounce both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
stones per fluid ounce = pounds per quart × 0.00223214285714
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per quart equals 479.305709268 base units, and 1 stone per fluid ounce equals 214728.957752 base units, so dividing one by the other gives the direct pound per quart-to-stone per fluid ounce factor of 0.00223214285714.
Simple example
1 lb/qt × 0.002232142857 = 0.0022321429 st/fl oz
1 pound per quart = 0.0022321429 stones per fluid ounce.
Real-world example
1,000 lb/qt × 0.002232142857 = 2.232142857 st/fl oz
1,000 pounds per quart = 2.232142857 stones per fluid ounce.
Conversion table
| Pound per Quart (lb/qt) | Stone per Fluid ounce (st/fl oz) |
|---|---|
| 0.1 lb/qt | 0.0002232143 st/fl oz |
| 1 lb/qt | 0.0022321429 st/fl oz |
| 10 lb/qt | 0.0223214286 st/fl oz |
| 100 lb/qt | 0.2232142857 st/fl oz |
| 1,000 lb/qt | 2.232142857 st/fl oz |
| 10,000 lb/qt | 22.32142857 st/fl oz |
Reverse conversion: Stone per Fluid ounce to Pound per Quart
0.0022321429 st/fl oz × 448 = 1.000000019 lb/qt
0.0022321429 stones per fluid ounce = 1.000000019 pounds per quart.
pounds per quart = stones per fluid ounce × 448
For a page dedicated to this direction, see Stone per Fluid ounce to Pound per Quart.
Understanding the Pound per Quart (lb/qt)
Mass per volume density.
Understanding the Stone per Fluid ounce (st/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per fluid ounce are in 1 pound per quart?
1 pound per quart equals 0.0022321429 stones per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert pound per quart to stone per fluid ounce?
Multiply the pound per quart value by 0.002232142857. The converter above does this instantly to whatever precision you set.
How do I convert stone per fluid ounce back to pound per quart?
Use the reverse factor: 1 stone per fluid ounce equals 448 pounds per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per quart?
Pound per Quart (lb/qt) is a unit of density.
What is a stone per fluid ounce?
Stone per Fluid ounce (st/fl oz) is a unit of density.
Is the pound per quart to stone per fluid ounce conversion exact?
Yes. Both pound per quart and stone per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.002232142857 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.