Mass per volume density.
Carats per Cup to Stones per Cubic yard Converter — ct/cup to st/yd3
Convert Carat per Cup (ct/cup) to Stone per Cubic yard (st/yd3) using the exact conversion factor (1 carat per cup = 0.1017774872 stone per cubic yard). See the formula, worked examples, and conversion table.
Carats per Cup to Stones per Cubic yard 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 0.8453505675 / 8.305869898.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Cup to Stones per Cubic yard
Carat per Cup and Stone per Cubic yard 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 yard = carats per cup × 0.101777487243
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per cup equals 0.845350567546 base units, and 1 stone per cubic yard equals 8.30586989761 base units, so dividing one by the other gives the direct carat per cup-to-stone per cubic yard factor of 0.101777487243.
Simple example
1 ct/cup × 0.1017774872 = 0.1017774872 st/yd3
1 carat per cup = 0.1017774872 stones per cubic yard.
Real-world example
1,000 ct/cup × 0.1017774872 = 101.7774872 st/yd3
1,000 carats per cup = 101.7774872 stones per cubic yard.
Conversion table
| Carat per Cup (ct/cup) | Stone per Cubic yard (st/yd3) |
|---|---|
| 0.1 ct/cup | 0.0101777487 st/yd3 |
| 1 ct/cup | 0.1017774872 st/yd3 |
| 10 ct/cup | 1.017774872 st/yd3 |
| 100 ct/cup | 10.17774872 st/yd3 |
| 1,000 ct/cup | 101.7774872 st/yd3 |
| 10,000 ct/cup | 1,017.774872 st/yd3 |
Reverse conversion: Stone per Cubic yard to Carat per Cup
0.1017774872 st/yd3 × 9.825355558 = 0.9999999996 ct/cup
0.1017774872 stones per cubic yard = 0.9999999996 carats per cup.
carats per cup = stones per cubic yard × 9.82535555837
For a page dedicated to this direction, see Stone per Cubic yard to Carat per Cup.
Understanding the Carat per Cup (ct/cup)
Mass per volume density.
Understanding the Stone per Cubic yard (st/yd3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic yard are in 1 carat per cup?
1 carat per cup equals 0.1017774872 stones per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert carat per cup to stone per cubic yard?
Multiply the carat per cup value by 0.1017774872. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic yard back to carat per cup?
Use the reverse factor: 1 stone per cubic yard equals 9.825355558 carats per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per cup?
Carat per Cup (ct/cup) is a unit of density.
What is a stone per cubic yard?
Stone per Cubic yard (st/yd3) is a unit of density.
Is the carat per cup to stone per cubic yard conversion exact?
Yes. Both carat per cup and stone per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 0.1017774872 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.