Mass per volume density.
Drams per Cup to Stones per Cubic yard Converter — dr/cup to st/yd3
Convert Dram per Cup (dr/cup) to Stone per Cubic yard (st/yd3) using the exact conversion factor (1 dram per cup = 0.9016697588 stone per cubic yard). See the formula, worked examples, and conversion table.
Drams 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 7.489151707 / 8.305869898.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Cup to Stones per Cubic yard
Dram 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 = drams per cup × 0.901669758813
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per cup equals 7.48915170731 base units, and 1 stone per cubic yard equals 8.30586989761 base units, so dividing one by the other gives the direct dram per cup-to-stone per cubic yard factor of 0.901669758813.
Simple example
1 dr/cup × 0.9016697588 = 0.9016697588 st/yd3
1 dram per cup = 0.9016697588 stones per cubic yard.
Real-world example
1,000 dr/cup × 0.9016697588 = 901.6697588 st/yd3
1,000 drams per cup = 901.6697588 stones per cubic yard.
Conversion table
| Dram per Cup (dr/cup) | Stone per Cubic yard (st/yd3) |
|---|---|
| 0.1 dr/cup | 0.0901669759 st/yd3 |
| 1 dr/cup | 0.9016697588 st/yd3 |
| 10 dr/cup | 9.016697588 st/yd3 |
| 100 dr/cup | 90.16697588 st/yd3 |
| 1,000 dr/cup | 901.6697588 st/yd3 |
| 10,000 dr/cup | 9,016.697588 st/yd3 |
Reverse conversion: Stone per Cubic yard to Dram per Cup
0.9016697588 st/yd3 × 1.109053498 = 1 dr/cup
0.9016697588 stones per cubic yard = 1 drams per cup.
drams per cup = stones per cubic yard × 1.10905349794
For a page dedicated to this direction, see Stone per Cubic yard to Dram per Cup.
Understanding the Dram per Cup (dr/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 dram per cup?
1 dram per cup equals 0.9016697588 stones per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert dram per cup to stone per cubic yard?
Multiply the dram per cup value by 0.9016697588. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic yard back to dram per cup?
Use the reverse factor: 1 stone per cubic yard equals 1.109053498 drams per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per cup?
Dram per Cup (dr/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 dram per cup to stone per cubic yard conversion exact?
Yes. Both dram per cup and stone per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 0.9016697588 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.