Mass per volume density.
Pounds per Cubic yard to Slugs per Gallon Converter — lb/yd3 to slug/gal
Convert Pound per Cubic yard (lb/yd3) to Slug per Gallon (slug/gal) using the exact conversion factor (1 pound per cubic yard = 0.0001538859 slug per gallon). See the formula, worked examples, and conversion table.
Pounds per Cubic yard to Slugs per Gallon 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 / 3855.301291.
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 Gallon
Pound per Cubic yard and Slug per Gallon 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 gallon = pounds per cubic yard × 0.000153885877264
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 gallon equals 3855.30129084 base units, so dividing one by the other gives the direct pound per cubic yard-to-slug per gallon factor of 0.000153885877264.
Simple example
1 lb/yd3 × 0.0001538858773 = 0.0001538859 slug/gal
1 pound per cubic yard = 0.0001538859 slugs per gallon.
Real-world example
1,000 lb/yd3 × 0.0001538858773 = 0.1538858773 slug/gal
1,000 pounds per cubic yard = 0.1538858773 slugs per gallon.
Conversion table
| Pound per Cubic yard (lb/yd3) | Slug per Gallon (slug/gal) |
|---|---|
| 0.1 lb/yd3 | 0.0000153886 slug/gal |
| 1 lb/yd3 | 0.0001538859 slug/gal |
| 10 lb/yd3 | 0.0015388588 slug/gal |
| 100 lb/yd3 | 0.0153885877 slug/gal |
| 1,000 lb/yd3 | 0.1538858773 slug/gal |
| 10,000 lb/yd3 | 1.538858773 slug/gal |
Reverse conversion: Slug per Gallon to Pound per Cubic yard
0.0001538859 slug/gal × 6498.322119 = 1.000000148 lb/yd3
0.0001538859 slugs per gallon = 1.000000148 pounds per cubic yard.
pounds per cubic yard = slugs per gallon × 6498.32211882
For a page dedicated to this direction, see Slug per Gallon to Pound per Cubic yard.
Understanding the Pound per Cubic yard (lb/yd3)
Mass per volume density.
Understanding the Slug per Gallon (slug/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per gallon are in 1 pound per cubic yard?
1 pound per cubic yard equals 0.0001538859 slugs per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic yard to slug per gallon?
Multiply the pound per cubic yard value by 0.0001538858773. The converter above does this instantly to whatever precision you set.
How do I convert slug per gallon back to pound per cubic yard?
Use the reverse factor: 1 slug per gallon equals 6,498.322119 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 gallon?
Slug per Gallon (slug/gal) is a unit of density.
Is the pound per cubic yard to slug per gallon conversion exact?
Yes. Both pound per cubic yard and slug per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.0001538858773 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.