Mass per volume density.
Ounces per Cubic yard to Drams per Cup Converter — oz/yd3 to dr/cup
Convert Ounce per Cubic yard (oz/yd3) to Dram per Cup (dr/cup) using the exact conversion factor (1 ounce per cubic yard = 0.0049511317 dram per cup). See the formula, worked examples, and conversion table.
Ounces per Cubic yard to Drams per Cup 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 0.03707977633 / 7.489151707.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Cubic yard to Drams per Cup
Ounce per Cubic yard and Dram per Cup 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
drams per cup = ounces per cubic yard × 0.00495113168724
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per cubic yard equals 0.0370797763286 base units, and 1 dram per cup equals 7.48915170731 base units, so dividing one by the other gives the direct ounce per cubic yard-to-dram per cup factor of 0.00495113168724.
Simple example
1 oz/yd3 × 0.004951131687 = 0.0049511317 dr/cup
1 ounce per cubic yard = 0.0049511317 drams per cup.
Real-world example
1,000 oz/yd3 × 0.004951131687 = 4.951131687 dr/cup
1,000 ounces per cubic yard = 4.951131687 drams per cup.
Conversion table
| Ounce per Cubic yard (oz/yd3) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 oz/yd3 | 0.0004951132 dr/cup |
| 1 oz/yd3 | 0.0049511317 dr/cup |
| 10 oz/yd3 | 0.0495113169 dr/cup |
| 100 oz/yd3 | 0.4951131687 dr/cup |
| 1,000 oz/yd3 | 4.951131687 dr/cup |
| 10,000 oz/yd3 | 49.51131687 dr/cup |
Reverse conversion: Dram per Cup to Ounce per Cubic yard
0.0049511317 dr/cup × 201.974026 = 1.000000003 oz/yd3
0.0049511317 drams per cup = 1.000000003 ounces per cubic yard.
ounces per cubic yard = drams per cup × 201.974025974
For a page dedicated to this direction, see Dram per Cup to Ounce per Cubic yard.
Understanding the Ounce per Cubic yard (oz/yd3)
Mass per volume density.
Understanding the Dram per Cup (dr/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cup are in 1 ounce per cubic yard?
1 ounce per cubic yard equals 0.0049511317 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cubic yard to dram per cup?
Multiply the ounce per cubic yard value by 0.004951131687. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to ounce per cubic yard?
Use the reverse factor: 1 dram per cup equals 201.974026 ounces per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per cubic yard?
Ounce per Cubic yard (oz/yd3) is a unit of density.
What is a dram per cup?
Dram per Cup (dr/cup) is a unit of density.
Is the ounce per cubic yard to dram per cup conversion exact?
Yes. Both ounce per cubic yard and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.004951131687 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.