Mass per volume density.
Slugs per Cubic foot to Pounds per Cubic yard Converter — slug/ft3 to lb/yd3
Convert Slug per Cubic foot (slug/ft3) to Pound per Cubic yard (lb/yd3) using the exact conversion factor (1 slug per cubic foot = 868.699311 pound per cubic yard). See the formula, worked examples, and conversion table.
Slugs per Cubic foot 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 515.3788184 / 0.5932764213.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Cubic foot to Pounds per Cubic yard
Slug per Cubic foot 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 = slugs per cubic foot × 868.699311023
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per cubic foot equals 515.378818393 base units, and 1 pound per cubic yard equals 0.593276421258 base units, so dividing one by the other gives the direct slug per cubic foot-to-pound per cubic yard factor of 868.699311023.
Simple example
1 slug/ft3 × 868.699311 = 868.699311 lb/yd3
1 slug per cubic foot = 868.699311 pounds per cubic yard.
Real-world example
1,000 slug/ft3 × 868.699311 = 868,699.311 lb/yd3
1,000 slugs per cubic foot = 868,699.311 pounds per cubic yard.
Conversion table
| Slug per Cubic foot (slug/ft3) | Pound per Cubic yard (lb/yd3) |
|---|---|
| 0.1 slug/ft3 | 86.8699311 lb/yd3 |
| 1 slug/ft3 | 868.699311 lb/yd3 |
| 10 slug/ft3 | 8,686.99311 lb/yd3 |
| 100 slug/ft3 | 86,869.9311 lb/yd3 |
| 1,000 slug/ft3 | 868,699.311 lb/yd3 |
| 10,000 slug/ft3 | 8,686,993.11 lb/yd3 |
Reverse conversion: Pound per Cubic yard to Slug per Cubic foot
868.699311 lb/yd3 × 0.001151146303 = 1 slug/ft3
868.699311 pounds per cubic yard = 1 slugs per cubic foot.
slugs per cubic foot = pounds per cubic yard × 0.00115114630265
For a page dedicated to this direction, see Pound per Cubic yard to Slug per Cubic foot.
Understanding the Slug per Cubic foot (slug/ft3)
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 slug per cubic foot?
1 slug per cubic foot equals 868.699311 pounds per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cubic foot to pound per cubic yard?
Multiply the slug per cubic foot value by 868.699311. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic yard back to slug per cubic foot?
Use the reverse factor: 1 pound per cubic yard equals 0.0011511463 slugs per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per cubic foot?
Slug per Cubic foot (slug/ft3) 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 slug per cubic foot to pound per cubic yard conversion exact?
Yes. Both slug per cubic foot and pound per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 868.699311 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.