Mass per volume density.
Stones per Cup to Troy ounces per Quart Converter — st/cup to oz t/qt
Convert Stone per Cup (st/cup) to Troy ounce per Quart (oz t/qt) using the exact conversion factor (1 stone per cup = 816.6666667 troy ounce per quart). See the formula, worked examples, and conversion table.
Stones per Cup to Troy ounces 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 26841.11972 / 32.86667721.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cup to Troy ounces per Quart
Stone per Cup and Troy ounce 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
troy ounces per quart = stones per cup × 816.666666667
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cup equals 26841.119719 base units, and 1 troy ounce per quart equals 32.8666772069 base units, so dividing one by the other gives the direct stone per cup-to-troy ounce per quart factor of 816.666666667.
Simple example
1 st/cup × 816.6666667 = 816.6666667 oz t/qt
1 stone per cup = 816.6666667 troy ounces per quart.
Real-world example
1,000 st/cup × 816.6666667 = 816,666.6667 oz t/qt
1,000 stones per cup = 816,666.6667 troy ounces per quart.
Conversion table
| Stone per Cup (st/cup) | Troy ounce per Quart (oz t/qt) |
|---|---|
| 0.1 st/cup | 81.66666667 oz t/qt |
| 1 st/cup | 816.6666667 oz t/qt |
| 10 st/cup | 8,166.666667 oz t/qt |
| 100 st/cup | 81,666.66667 oz t/qt |
| 1,000 st/cup | 816,666.6667 oz t/qt |
| 10,000 st/cup | 8,166,666.667 oz t/qt |
Reverse conversion: Troy ounce per Quart to Stone per Cup
816.6666667 oz t/qt × 0.001224489796 = 1 st/cup
816.6666667 troy ounces per quart = 1 stones per cup.
stones per cup = troy ounces per quart × 0.00122448979592
For a page dedicated to this direction, see Troy ounce per Quart to Stone per Cup.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Understanding the Troy ounce per Quart (oz t/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many troy ounces per quart are in 1 stone per cup?
1 stone per cup equals 816.6666667 troy ounces per quart, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cup to troy ounce per quart?
Multiply the stone per cup value by 816.6666667. The converter above does this instantly to whatever precision you set.
How do I convert troy ounce per quart back to stone per cup?
Use the reverse factor: 1 troy ounce per quart equals 0.0012244898 stones per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
What is a troy ounce per quart?
Troy ounce per Quart (oz t/qt) is a unit of density.
Is the stone per cup to troy ounce per quart conversion exact?
Yes. Both stone per cup and troy ounce per quart are defined by fixed standards rather than physical artifacts, so the factor of 816.6666667 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.