Mass per volume density.
Pounds per Cubic yard to Slugs per Quart Converter — lb/yd3 to slug/qt
Convert Pound per Cubic yard (lb/yd3) to Slug per Quart (slug/qt) using the exact conversion factor (1 pound per cubic yard = 0.0000384715 slug per quart). See the formula, worked examples, and conversion table.
Pounds per Cubic yard to Slugs per Quart 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 / 15421.20516.
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 Slugs per Quart
Pound per Cubic yard and Slug per Quart 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
slugs per quart = pounds per cubic yard × 0.000038471469316
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 slug per quart equals 15421.2051633 base units, so dividing one by the other gives the direct pound per cubic yard-to-slug per quart factor of 0.000038471469316.
Simple example
1 lb/yd3 × 0.00003847146932 = 0.0000384715 slug/qt
1 pound per cubic yard = 0.0000384715 slugs per quart.
Real-world example
1,000 lb/yd3 × 0.00003847146932 = 0.0384714693 slug/qt
1,000 pounds per cubic yard = 0.0384714693 slugs per quart.
Conversion table
| Pound per Cubic yard (lb/yd3) | Slug per Quart (slug/qt) |
|---|---|
| 0.1 lb/yd3 | 0.0000038471 slug/qt |
| 1 lb/yd3 | 0.0000384715 slug/qt |
| 10 lb/yd3 | 0.0003847147 slug/qt |
| 100 lb/yd3 | 0.0038471469 slug/qt |
| 1,000 lb/yd3 | 0.0384714693 slug/qt |
| 10,000 lb/yd3 | 0.3847146932 slug/qt |
Reverse conversion: Slug per Quart to Pound per Cubic yard
0.0000384715 slug/qt × 25993.28848 = 1.000000798 lb/yd3
0.0000384715 slugs per quart = 1.000000798 pounds per cubic yard.
pounds per cubic yard = slugs per quart × 25993.2884753
For a page dedicated to this direction, see Slug per Quart to Pound per Cubic yard.
Understanding the Pound per Cubic yard (lb/yd3)
Mass per volume density.
Understanding the Slug per Quart (slug/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per quart are in 1 pound per cubic yard?
1 pound per cubic yard equals 0.0000384715 slugs per quart, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic yard to slug per quart?
Multiply the pound per cubic yard value by 0.00003847146932. The converter above does this instantly to whatever precision you set.
How do I convert slug per quart back to pound per cubic yard?
Use the reverse factor: 1 slug per quart equals 25,993.28848 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 slug per quart?
Slug per Quart (slug/qt) is a unit of density.
Is the pound per cubic yard to slug per quart conversion exact?
Yes. Both pound per cubic yard and slug per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.00003847146932 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.