Mass per volume density.
Stones per Quart to Carats per Gallon Converter — st/qt to ct/gal
Convert Stone per Quart (st/qt) to Carat per Gallon (ct/gal) using the exact conversion factor (1 stone per quart = 127,005.8636 carat per gallon). See the formula, worked examples, and conversion table.
Stones per Quart to Carats per Gallon 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 / 0.05283441047.
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 Gallon
Stone per Quart and Carat per Gallon 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 gallon = stones per quart × 127005.8636
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 gallon equals 0.0528344104716 base units, so dividing one by the other gives the direct stone per quart-to-carat per gallon factor of 127005.8636.
Simple example
1 st/qt × 127005.8636 = 127,005.8636 ct/gal
1 stone per quart = 127,005.8636 carats per gallon.
Real-world example
1,000 st/qt × 127005.8636 = 127,005,863.6 ct/gal
1,000 stones per quart = 127,005,863.6 carats per gallon.
Conversion table
| Stone per Quart (st/qt) | Carat per Gallon (ct/gal) |
|---|---|
| 0.1 st/qt | 12,700.58636 ct/gal |
| 1 st/qt | 127,005.8636 ct/gal |
| 10 st/qt | 1,270,058.636 ct/gal |
| 100 st/qt | 12,700,586.36 ct/gal |
| 1,000 st/qt | 127,005,863.6 ct/gal |
| 10,000 st/qt | 1,270,058,636 ct/gal |
Reverse conversion: Carat per Gallon to Stone per Quart
1 ct/gal × 0.000007873652221 = 0.0000078737 st/qt
1 carat per gallon = 0.0000078737 stones per quart.
stones per quart = carats per gallon × 0.00000787365222089
For a page dedicated to this direction, see Carat per Gallon to Stone per Quart.
Understanding the Stone per Quart (st/qt)
Mass per volume density.
Understanding the Carat per Gallon (ct/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per gallon are in 1 stone per quart?
1 stone per quart equals 127,005.8636 carats per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per quart to carat per gallon?
Multiply the stone per quart value by 127005.8636. The converter above does this instantly to whatever precision you set.
How do I convert carat per gallon back to stone per quart?
Use the reverse factor: 1 carat per gallon equals 0.0000078737 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 gallon?
Carat per Gallon (ct/gal) is a unit of density.
Is the stone per quart to carat per gallon conversion exact?
Yes. Both stone per quart and carat per gallon are defined by fixed standards rather than physical artifacts, so the factor of 127005.8636 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.