Mass per volume density.
Ounces per Fluid ounce to Stones per Quart Converter — oz/fl oz to st/qt
Convert Ounce per Fluid ounce (oz/fl oz) to Stone per Quart (st/qt) using the exact conversion factor (1 ounce per fluid ounce = 0.1428571429 stone per quart). See the formula, worked examples, and conversion table.
Ounces per Fluid ounce to Stones per Quart 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 958.6114185 / 6710.27993.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Fluid ounce to Stones per Quart
Ounce per Fluid ounce and Stone per Quart 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 quart = ounces per fluid ounce × 0.142857142857
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per fluid ounce equals 958.611418535 base units, and 1 stone per quart equals 6710.27992975 base units, so dividing one by the other gives the direct ounce per fluid ounce-to-stone per quart factor of 0.142857142857.
Simple example
1 oz/fl oz × 0.1428571429 = 0.1428571429 st/qt
1 ounce per fluid ounce = 0.1428571429 stones per quart.
Real-world example
1,000 oz/fl oz × 0.1428571429 = 142.8571429 st/qt
1,000 ounces per fluid ounce = 142.8571429 stones per quart.
Conversion table
| Ounce per Fluid ounce (oz/fl oz) | Stone per Quart (st/qt) |
|---|---|
| 0.1 oz/fl oz | 0.0142857143 st/qt |
| 1 oz/fl oz | 0.1428571429 st/qt |
| 10 oz/fl oz | 1.428571429 st/qt |
| 100 oz/fl oz | 14.28571429 st/qt |
| 1,000 oz/fl oz | 142.8571429 st/qt |
| 10,000 oz/fl oz | 1,428.571429 st/qt |
Reverse conversion: Stone per Quart to Ounce per Fluid ounce
0.1428571429 st/qt × 7 = 1 oz/fl oz
0.1428571429 stones per quart = 1 ounces per fluid ounce.
ounces per fluid ounce = stones per quart × 7
For a page dedicated to this direction, see Stone per Quart to Ounce per Fluid ounce.
Understanding the Ounce per Fluid ounce (oz/fl oz)
Mass per volume density.
Understanding the Stone per Quart (st/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per quart are in 1 ounce per fluid ounce?
1 ounce per fluid ounce equals 0.1428571429 stones per quart, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per fluid ounce to stone per quart?
Multiply the ounce per fluid ounce value by 0.1428571429. The converter above does this instantly to whatever precision you set.
How do I convert stone per quart back to ounce per fluid ounce?
Use the reverse factor: 1 stone per quart equals 7 ounces per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per fluid ounce?
Ounce per Fluid ounce (oz/fl oz) is a unit of density.
What is a stone per quart?
Stone per Quart (st/qt) is a unit of density.
Is the ounce per fluid ounce to stone per quart conversion exact?
Yes. Both ounce per fluid ounce and stone per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.1428571429 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.