Mass per volume density.
Stones per Cubic Meter to Carats per Quart Converter — st/m3 to ct/qt
Convert Stone per Cubic Meter (st/m3) to Carat per Quart (ct/qt) using the exact conversion factor (1 stone per cubic meter = 30.04809329 carat per quart). See the formula, worked examples, and conversion table.
Stones per Cubic Meter to Carats 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 6.35029318 / 0.2113376419.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cubic Meter to Carats per Quart
Stone per Cubic Meter and Carat 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
carats per quart = stones per cubic meter × 30.0480932943
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic meter equals 6.35029318 base units, and 1 carat per quart equals 0.211337641887 base units, so dividing one by the other gives the direct stone per cubic meter-to-carat per quart factor of 30.0480932943.
Simple example
1 st/m3 × 30.04809329 = 30.04809329 ct/qt
1 stone per cubic meter = 30.04809329 carats per quart.
Real-world example
1,000 st/m3 × 30.04809329 = 30,048.09329 ct/qt
1,000 stones per cubic meter = 30,048.09329 carats per quart.
Conversion table
| Stone per Cubic Meter (st/m3) | Carat per Quart (ct/qt) |
|---|---|
| 0.1 st/m3 | 3.004809329 ct/qt |
| 1 st/m3 | 30.04809329 ct/qt |
| 10 st/m3 | 300.4809329 ct/qt |
| 100 st/m3 | 3,004.809329 ct/qt |
| 1,000 st/m3 | 30,048.09329 ct/qt |
| 10,000 st/m3 | 300,480.9329 ct/qt |
Reverse conversion: Carat per Quart to Stone per Cubic Meter
30.04809329 ct/qt × 0.03327998187 = 0.9999999999 st/m3
30.04809329 carats per quart = 0.9999999999 stones per cubic meter.
stones per cubic meter = carats per quart × 0.0332799818679
For a page dedicated to this direction, see Carat per Quart to Stone per Cubic Meter.
Understanding the Stone per Cubic Meter (st/m3)
Mass per volume density.
Understanding the Carat per Quart (ct/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per quart are in 1 stone per cubic meter?
1 stone per cubic meter equals 30.04809329 carats per quart, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic meter to carat per quart?
Multiply the stone per cubic meter value by 30.04809329. The converter above does this instantly to whatever precision you set.
How do I convert carat per quart back to stone per cubic meter?
Use the reverse factor: 1 carat per quart equals 0.0332799819 stones per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic meter?
Stone per Cubic Meter (st/m3) is a unit of density.
What is a carat per quart?
Carat per Quart (ct/qt) is a unit of density.
Is the stone per cubic meter to carat per quart conversion exact?
Yes. Both stone per cubic meter and carat per quart are defined by fixed standards rather than physical artifacts, so the factor of 30.04809329 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.