Mass per volume density.
Pounds per Cubic yard to Drams per Cubic Millimeter Converter — lb/yd3 to dr/mm3
Convert Pound per Cubic yard (lb/yd3) to Dram per Cubic Millimeter (dr/mm3) using the exact conversion factor (1 pound per cubic yard = 3.348354e-7 dram per cubic millimeter). See the formula, worked examples, and conversion table.
Pounds per Cubic yard to Drams per Cubic Millimeter 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 0.5932764213 / 1.7718452e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic yard to Drams per Cubic Millimeter
Pound per Cubic yard and Dram per Cubic Millimeter 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 cubic millimeter = pounds per cubic yard × 3.348354e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic yard equals 0.593276421258 base units, and 1 dram per cubic millimeter equals 1771845.19531 base units, so dividing one by the other gives the direct pound per cubic yard-to-dram per cubic millimeter factor of 3.348354e-7.
Simple example
1 lb/yd3 × 3.348354e-7 = 3.348354e-7 dr/mm3
1 pound per cubic yard = 3.348354e-7 drams per cubic millimeter.
Real-world example
1,000 lb/yd3 × 3.348354e-7 = 0.0003348354 dr/mm3
1,000 pounds per cubic yard = 0.0003348354 drams per cubic millimeter.
Conversion table
| Pound per Cubic yard (lb/yd3) | Dram per Cubic Millimeter (dr/mm3) |
|---|---|
| 0.1 lb/yd3 | 3.348354e-8 dr/mm3 |
| 1 lb/yd3 | 3.348354e-7 dr/mm3 |
| 10 lb/yd3 | 0.0000033484 dr/mm3 |
| 100 lb/yd3 | 0.0000334835 dr/mm3 |
| 1,000 lb/yd3 | 0.0003348354 dr/mm3 |
| 10,000 lb/yd3 | 0.0033483536 dr/mm3 |
Reverse conversion: Dram per Cubic Millimeter to Pound per Cubic yard
3.348354e-7 dr/mm3 × 2986542.414 = 1.000000124 lb/yd3
3.348354e-7 drams per cubic millimeter = 1.000000124 pounds per cubic yard.
pounds per cubic yard = drams per cubic millimeter × 2986542.414
For a page dedicated to this direction, see Dram per Cubic Millimeter to Pound per Cubic yard.
Understanding the Pound per Cubic yard (lb/yd3)
Mass per volume density.
Understanding the Dram per Cubic Millimeter (dr/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cubic millimeter are in 1 pound per cubic yard?
1 pound per cubic yard equals 3.348354e-7 drams per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic yard to dram per cubic millimeter?
Multiply the pound per cubic yard value by 3.348354e-7. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic millimeter back to pound per cubic yard?
Use the reverse factor: 1 dram per cubic millimeter equals 2,986,542.414 pounds per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic yard?
Pound per Cubic yard (lb/yd3) is a unit of density.
What is a dram per cubic millimeter?
Dram per Cubic Millimeter (dr/mm3) is a unit of density.
Is the pound per cubic yard to dram per cubic millimeter conversion exact?
Yes. Both pound per cubic yard and dram per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 3.348354e-7 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.