Mass per volume density.
Drams per Cup to Pounds per Cubic yard Converter — dr/cup to lb/yd3
Convert Dram per Cup (dr/cup) to Pound per Cubic yard (lb/yd3) using the exact conversion factor (1 dram per cup = 12.62337662 pound per cubic yard). See the formula, worked examples, and conversion table.
Drams per Cup to Pounds 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 / 0.5932764213.
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 Pounds per Cubic yard
Dram per Cup and Pound 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
pounds per cubic yard = drams per cup × 12.6233766234
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 pound per cubic yard equals 0.593276421258 base units, so dividing one by the other gives the direct dram per cup-to-pound per cubic yard factor of 12.6233766234.
Simple example
1 dr/cup × 12.62337662 = 12.62337662 lb/yd3
1 dram per cup = 12.62337662 pounds per cubic yard.
Real-world example
1,000 dr/cup × 12.62337662 = 12,623.37662 lb/yd3
1,000 drams per cup = 12,623.37662 pounds per cubic yard.
Conversion table
| Dram per Cup (dr/cup) | Pound per Cubic yard (lb/yd3) |
|---|---|
| 0.1 dr/cup | 1.262337662 lb/yd3 |
| 1 dr/cup | 12.62337662 lb/yd3 |
| 10 dr/cup | 126.2337662 lb/yd3 |
| 100 dr/cup | 1,262.337662 lb/yd3 |
| 1,000 dr/cup | 12,623.37662 lb/yd3 |
| 10,000 dr/cup | 126,233.7662 lb/yd3 |
Reverse conversion: Pound per Cubic yard to Dram per Cup
12.62337662 lb/yd3 × 0.079218107 = 0.9999999997 dr/cup
12.62337662 pounds per cubic yard = 0.9999999997 drams per cup.
drams per cup = pounds per cubic yard × 0.0792181069959
For a page dedicated to this direction, see Pound per Cubic yard to Dram per Cup.
Understanding the Dram per Cup (dr/cup)
Mass per volume density.
Understanding the Pound per Cubic yard (lb/yd3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cubic yard are in 1 dram per cup?
1 dram per cup equals 12.62337662 pounds per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert dram per cup to pound per cubic yard?
Multiply the dram per cup value by 12.62337662. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic yard back to dram per cup?
Use the reverse factor: 1 pound per cubic yard equals 0.079218107 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 pound per cubic yard?
Pound per Cubic yard (lb/yd3) is a unit of density.
Is the dram per cup to pound per cubic yard conversion exact?
Yes. Both dram per cup and pound per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 12.62337662 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.