Mass per volume density.
Pounds per Cubic yard to Slugs per Cubic foot Converter — lb/yd3 to slug/ft3
Convert Pound per Cubic yard (lb/yd3) to Slug per Cubic foot (slug/ft3) using the exact conversion factor (1 pound per cubic yard = 0.0011511463 slug per cubic foot). See the formula, worked examples, and conversion table.
Pounds per Cubic yard to Slugs per Cubic foot 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 / 515.3788184.
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 Cubic foot
Pound per Cubic yard and Slug per Cubic foot 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 cubic foot = pounds per cubic yard × 0.00115114630265
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 cubic foot equals 515.378818393 base units, so dividing one by the other gives the direct pound per cubic yard-to-slug per cubic foot factor of 0.00115114630265.
Simple example
1 lb/yd3 × 0.001151146303 = 0.0011511463 slug/ft3
1 pound per cubic yard = 0.0011511463 slugs per cubic foot.
Real-world example
1,000 lb/yd3 × 0.001151146303 = 1.151146303 slug/ft3
1,000 pounds per cubic yard = 1.151146303 slugs per cubic foot.
Conversion table
| Pound per Cubic yard (lb/yd3) | Slug per Cubic foot (slug/ft3) |
|---|---|
| 0.1 lb/yd3 | 0.0001151146 slug/ft3 |
| 1 lb/yd3 | 0.0011511463 slug/ft3 |
| 10 lb/yd3 | 0.011511463 slug/ft3 |
| 100 lb/yd3 | 0.1151146303 slug/ft3 |
| 1,000 lb/yd3 | 1.151146303 slug/ft3 |
| 10,000 lb/yd3 | 11.51146303 slug/ft3 |
Reverse conversion: Slug per Cubic foot to Pound per Cubic yard
0.0011511463 slug/ft3 × 868.699311 = 0.9999999977 lb/yd3
0.0011511463 slugs per cubic foot = 0.9999999977 pounds per cubic yard.
pounds per cubic yard = slugs per cubic foot × 868.699311023
For a page dedicated to this direction, see Slug per Cubic foot to Pound per Cubic yard.
Understanding the Pound per Cubic yard (lb/yd3)
Mass per volume density.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cubic foot are in 1 pound per cubic yard?
1 pound per cubic yard equals 0.0011511463 slugs per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic yard to slug per cubic foot?
Multiply the pound per cubic yard value by 0.001151146303. The converter above does this instantly to whatever precision you set.
How do I convert slug per cubic foot back to pound per cubic yard?
Use the reverse factor: 1 slug per cubic foot equals 868.699311 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 cubic foot?
Slug per Cubic foot (slug/ft3) is a unit of density.
Is the pound per cubic yard to slug per cubic foot conversion exact?
Yes. Both pound per cubic yard and slug per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 0.001151146303 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.