Mass per volume density.
Stones per Cubic yard to Carats per Gallon Converter — st/yd3 to ct/gal
Convert Stone per Cubic yard (st/yd3) to Carat per Gallon (ct/gal) using the exact conversion factor (1 stone per cubic yard = 157.2056889 carat per gallon). See the formula, worked examples, and conversion table.
Stones per Cubic yard 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 8.305869898 / 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 Cubic yard to Carats per Gallon
Stone per Cubic yard 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 cubic yard × 157.205688934
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic yard equals 8.30586989761 base units, and 1 carat per gallon equals 0.0528344104716 base units, so dividing one by the other gives the direct stone per cubic yard-to-carat per gallon factor of 157.205688934.
Simple example
1 st/yd3 × 157.2056889 = 157.2056889 ct/gal
1 stone per cubic yard = 157.2056889 carats per gallon.
Real-world example
1,000 st/yd3 × 157.2056889 = 157,205.6889 ct/gal
1,000 stones per cubic yard = 157,205.6889 carats per gallon.
Conversion table
| Stone per Cubic yard (st/yd3) | Carat per Gallon (ct/gal) |
|---|---|
| 0.1 st/yd3 | 15.72056889 ct/gal |
| 1 st/yd3 | 157.2056889 ct/gal |
| 10 st/yd3 | 1,572.056889 ct/gal |
| 100 st/yd3 | 15,720.56889 ct/gal |
| 1,000 st/yd3 | 157,205.6889 ct/gal |
| 10,000 st/yd3 | 1,572,056.889 ct/gal |
Reverse conversion: Carat per Gallon to Stone per Cubic yard
157.2056889 ct/gal × 0.006361092953 = 0.9999999998 st/yd3
157.2056889 carats per gallon = 0.9999999998 stones per cubic yard.
stones per cubic yard = carats per gallon × 0.00636109295269
For a page dedicated to this direction, see Carat per Gallon to Stone per Cubic yard.
Understanding the Stone per Cubic yard (st/yd3)
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 cubic yard?
1 stone per cubic yard equals 157.2056889 carats per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic yard to carat per gallon?
Multiply the stone per cubic yard value by 157.2056889. The converter above does this instantly to whatever precision you set.
How do I convert carat per gallon back to stone per cubic yard?
Use the reverse factor: 1 carat per gallon equals 0.006361093 stones per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic yard?
Stone per Cubic yard (st/yd3) 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 cubic yard to carat per gallon conversion exact?
Yes. Both stone per cubic yard and carat per gallon are defined by fixed standards rather than physical artifacts, so the factor of 157.2056889 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.