Mass per volume density.
Carats per Pint to Stones per Quart Converter — ct/pt to st/qt
Convert Carat per Pint (ct/pt) to Stone per Quart (st/qt) using the exact conversion factor (1 carat per pint = 0.0000629892 stone per quart). See the formula, worked examples, and conversion table.
Carats per Pint 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 0.4226752838 / 6710.27993.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Pint to Stones per Quart
Carat per Pint 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 = carats per pint × 0.0000629892177671
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per pint equals 0.422675283773 base units, and 1 stone per quart equals 6710.27992975 base units, so dividing one by the other gives the direct carat per pint-to-stone per quart factor of 0.0000629892177671.
Simple example
1 ct/pt × 0.00006298921777 = 0.0000629892 st/qt
1 carat per pint = 0.0000629892 stones per quart.
Real-world example
1,000 ct/pt × 0.00006298921777 = 0.0629892178 st/qt
1,000 carats per pint = 0.0629892178 stones per quart.
Conversion table
| Carat per Pint (ct/pt) | Stone per Quart (st/qt) |
|---|---|
| 0.1 ct/pt | 0.0000062989 st/qt |
| 1 ct/pt | 0.0000629892 st/qt |
| 10 ct/pt | 0.0006298922 st/qt |
| 100 ct/pt | 0.0062989218 st/qt |
| 1,000 ct/pt | 0.0629892178 st/qt |
| 10,000 ct/pt | 0.6298921777 st/qt |
Reverse conversion: Stone per Quart to Carat per Pint
0.0000629892 st/qt × 15875.73295 = 0.9999997179 ct/pt
0.0000629892 stones per quart = 0.9999997179 carats per pint.
carats per pint = stones per quart × 15875.73295
For a page dedicated to this direction, see Stone per Quart to Carat per Pint.
Understanding the Carat per Pint (ct/pt)
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 carat per pint?
1 carat per pint equals 0.0000629892 stones per quart, using the exact defined conversion factor rather than an estimate.
How do I convert carat per pint to stone per quart?
Multiply the carat per pint value by 0.00006298921777. The converter above does this instantly to whatever precision you set.
How do I convert stone per quart back to carat per pint?
Use the reverse factor: 1 stone per quart equals 15,875.73295 carats per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per pint?
Carat per Pint (ct/pt) is a unit of density.
What is a stone per quart?
Stone per Quart (st/qt) is a unit of density.
Is the carat per pint to stone per quart conversion exact?
Yes. Both carat per pint and stone per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.00006298921777 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.