Mass per volume density.
Ounces per Quart to Stones per Fluid ounce Converter — oz/qt to st/fl oz
Convert Ounce per Quart (oz/qt) to Stone per Fluid ounce (st/fl oz) using the exact conversion factor (1 ounce per quart = 0.0001395089 stone per fluid ounce). See the formula, worked examples, and conversion table.
Ounces 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 29.95660683 / 214728.9578.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Quart to Stones per Fluid ounce
Ounce 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 = ounces per quart × 0.000139508928571
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per quart equals 29.9566068292 base units, and 1 stone per fluid ounce equals 214728.957752 base units, so dividing one by the other gives the direct ounce per quart-to-stone per fluid ounce factor of 0.000139508928571.
Simple example
1 oz/qt × 0.0001395089286 = 0.0001395089 st/fl oz
1 ounce per quart = 0.0001395089 stones per fluid ounce.
Real-world example
1,000 oz/qt × 0.0001395089286 = 0.1395089286 st/fl oz
1,000 ounces per quart = 0.1395089286 stones per fluid ounce.
Conversion table
| Ounce per Quart (oz/qt) | Stone per Fluid ounce (st/fl oz) |
|---|---|
| 0.1 oz/qt | 0.0000139509 st/fl oz |
| 1 oz/qt | 0.0001395089 st/fl oz |
| 10 oz/qt | 0.0013950893 st/fl oz |
| 100 oz/qt | 0.0139508929 st/fl oz |
| 1,000 oz/qt | 0.1395089286 st/fl oz |
| 10,000 oz/qt | 1.395089286 st/fl oz |
Reverse conversion: Stone per Fluid ounce to Ounce per Quart
0.0001395089 st/fl oz × 7168 = 0.9999997952 oz/qt
0.0001395089 stones per fluid ounce = 0.9999997952 ounces per quart.
ounces per quart = stones per fluid ounce × 7168
For a page dedicated to this direction, see Stone per Fluid ounce to Ounce per Quart.
Understanding the Ounce per Quart (oz/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 ounce per quart?
1 ounce per quart equals 0.0001395089 stones per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per quart to stone per fluid ounce?
Multiply the ounce per quart value by 0.0001395089286. The converter above does this instantly to whatever precision you set.
How do I convert stone per fluid ounce back to ounce per quart?
Use the reverse factor: 1 stone per fluid ounce equals 7,168 ounces per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per quart?
Ounce per Quart (oz/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 ounce per quart to stone per fluid ounce conversion exact?
Yes. Both ounce per quart and stone per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.0001395089286 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.