Mass per volume density.
Carats per Quart to Stones per Cubic foot Converter — ct/qt to st/ft3
Convert Carat per Quart (ct/qt) to Stone per Cubic foot (st/ft3) using the exact conversion factor (1 carat per quart = 0.0009423841 stone per cubic foot). See the formula, worked examples, and conversion table.
Carats per Quart to Stones per Cubic foot 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 0.2113376419 / 224.2584872.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Quart to Stones per Cubic foot
Carat per Quart and Stone per Cubic foot 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 cubic foot = carats per quart × 0.000942384141139
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per quart equals 0.211337641887 base units, and 1 stone per cubic foot equals 224.258487235 base units, so dividing one by the other gives the direct carat per quart-to-stone per cubic foot factor of 0.000942384141139.
Simple example
1 ct/qt × 0.0009423841411 = 0.0009423841 st/ft3
1 carat per quart = 0.0009423841 stones per cubic foot.
Real-world example
1,000 ct/qt × 0.0009423841411 = 0.9423841411 st/ft3
1,000 carats per quart = 0.9423841411 stones per cubic foot.
Conversion table
| Carat per Quart (ct/qt) | Stone per Cubic foot (st/ft3) |
|---|---|
| 0.1 ct/qt | 0.0000942384 st/ft3 |
| 1 ct/qt | 0.0009423841 st/ft3 |
| 10 ct/qt | 0.0094238414 st/ft3 |
| 100 ct/qt | 0.0942384141 st/ft3 |
| 1,000 ct/qt | 0.9423841411 st/ft3 |
| 10,000 ct/qt | 9.423841411 st/ft3 |
Reverse conversion: Stone per Cubic foot to Carat per Quart
0.0009423841 st/ft3 × 1061.1384 = 0.9999999563 ct/qt
0.0009423841 stones per cubic foot = 0.9999999563 carats per quart.
carats per quart = stones per cubic foot × 1061.1384003
For a page dedicated to this direction, see Stone per Cubic foot to Carat per Quart.
Understanding the Carat per Quart (ct/qt)
Mass per volume density.
Understanding the Stone per Cubic foot (st/ft3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic foot are in 1 carat per quart?
1 carat per quart equals 0.0009423841 stones per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert carat per quart to stone per cubic foot?
Multiply the carat per quart value by 0.0009423841411. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic foot back to carat per quart?
Use the reverse factor: 1 stone per cubic foot equals 1,061.1384 carats per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per quart?
Carat per Quart (ct/qt) is a unit of density.
What is a stone per cubic foot?
Stone per Cubic foot (st/ft3) is a unit of density.
Is the carat per quart to stone per cubic foot conversion exact?
Yes. Both carat per quart and stone per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 0.0009423841411 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.