Mass per volume density.
Stones per Quart to Carats per Milliliter Converter — st/qt to ct/mL
Convert Stone per Quart (st/qt) to Carat per Milliliter (ct/mL) using the exact conversion factor (1 stone per quart = 33.55139965 carat per milliliter). See the formula, worked examples, and conversion table.
Stones per Quart to Carats per Milliliter 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 6710.27993 / 200.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Quart to Carats per Milliliter
Stone per Quart and Carat per Milliliter 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
carats per milliliter = stones per quart × 33.5513996487
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per quart equals 6710.27992975 base units, and 1 carat per milliliter equals 200 base units, so dividing one by the other gives the direct stone per quart-to-carat per milliliter factor of 33.5513996487.
Simple example
1 st/qt × 33.55139965 = 33.55139965 ct/mL
1 stone per quart = 33.55139965 carats per milliliter.
Real-world example
1,000 st/qt × 33.55139965 = 33,551.39965 ct/mL
1,000 stones per quart = 33,551.39965 carats per milliliter.
Conversion table
| Stone per Quart (st/qt) | Carat per Milliliter (ct/mL) |
|---|---|
| 0.1 st/qt | 3.355139965 ct/mL |
| 1 st/qt | 33.55139965 ct/mL |
| 10 st/qt | 335.5139965 ct/mL |
| 100 st/qt | 3,355.139965 ct/mL |
| 1,000 st/qt | 33,551.39965 ct/mL |
| 10,000 st/qt | 335,513.9965 ct/mL |
Reverse conversion: Carat per Milliliter to Stone per Quart
33.55139965 ct/mL × 0.0298050159 = 1 st/qt
33.55139965 carats per milliliter = 1 stones per quart.
stones per quart = carats per milliliter × 0.0298050159001
For a page dedicated to this direction, see Carat per Milliliter to Stone per Quart.
Understanding the Stone per Quart (st/qt)
Mass per volume density.
Understanding the Carat per Milliliter (ct/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per milliliter are in 1 stone per quart?
1 stone per quart equals 33.55139965 carats per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert stone per quart to carat per milliliter?
Multiply the stone per quart value by 33.55139965. The converter above does this instantly to whatever precision you set.
How do I convert carat per milliliter back to stone per quart?
Use the reverse factor: 1 carat per milliliter equals 0.0298050159 stones per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per quart?
Stone per Quart (st/qt) is a unit of density.
What is a carat per milliliter?
Carat per Milliliter (ct/mL) is a unit of density.
Is the stone per quart to carat per milliliter conversion exact?
Yes. Both stone per quart and carat per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 33.55139965 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.