Mass per volume density.
Pounds per Gallon to Slugs per Cubic yard Converter — lb/gal to slug/yd3
Convert Pound per Gallon (lb/gal) to Slug per Cubic yard (slug/yd3) using the exact conversion factor (1 pound per gallon = 6.277544637 slug per cubic yard). See the formula, worked examples, conversion table, and common uses.
Pounds per Gallon to Slugs 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 119.8264273 / 19.08810438.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Gallon to Slugs per Cubic yard
Pound per Gallon and Slug 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. Pound per Gallon is most often used for us paint and coatings density specifications.
Formula
slugs per cubic yard = pounds per gallon × 6.27754463725
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per gallon equals 119.826427317 base units, and 1 slug per cubic yard equals 19.0881043849 base units, so dividing one by the other gives the direct pound per gallon-to-slug per cubic yard factor of 6.27754463725.
Simple example
1 lb/gal × 6.277544637 = 6.277544637 slug/yd3
1 pound per gallon = 6.277544637 slugs per cubic yard.
Real-world example
1,000 lb/gal × 6.277544637 = 6,277.544637 slug/yd3
1,000 pounds per gallon = 6,277.544637 slugs per cubic yard.
Conversion table
| Pound per Gallon (lb/gal) | Slug per Cubic yard (slug/yd3) |
|---|---|
| 0.1 lb/gal | 0.6277544637 slug/yd3 |
| 1 lb/gal | 6.277544637 slug/yd3 |
| 10 lb/gal | 62.77544637 slug/yd3 |
| 100 lb/gal | 627.7544637 slug/yd3 |
| 1,000 lb/gal | 6,277.544637 slug/yd3 |
| 10,000 lb/gal | 62,775.44637 slug/yd3 |
Reverse conversion: Slug per Cubic yard to Pound per Gallon
6.277544637 slug/yd3 × 0.1592979513 = 1 lb/gal
6.277544637 slugs per cubic yard = 1 pounds per gallon.
pounds per gallon = slugs per cubic yard × 0.159297951315
For a page dedicated to this direction, see Slug per Cubic yard to Pound per Gallon.
Understanding the Pound per Gallon
Pound per Gallon (lb/gal) measures density. The US customary unit for liquid density, based on the US gallon (231 cubic inches). It is classified as a US customary density unit.
Where it's used: United States (paint, fuel, and industrial liquid density specifications)
lb/gal vs. lb/ft³. Both are US customary density units; they're related through the real, fixed relationship between the US gallon and the cubic foot (1 cubic foot ≈ 7.48 US gallons), not a round conversion factor.
Uses of the Pound per Gallon today
- US paint and coatings density specifications
- US fuel and petroleum liquid density specs
- Industrial liquid handling and shipping weight calculations
Understanding the Slug per Cubic yard (slug/yd3)
Mass per volume density.
Pound per Gallon — sources
- NIST Handbook 44 — General tables of units including US customary density measures.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cubic yard are in 1 pound per gallon?
1 pound per gallon equals 6.277544637 slugs per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert pound per gallon to slug per cubic yard?
Multiply the pound per gallon value by 6.277544637. The converter above does this instantly to whatever precision you set.
How do I convert slug per cubic yard back to pound per gallon?
Use the reverse factor: 1 slug per cubic yard equals 0.1592979513 pounds per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per gallon?
Pound per Gallon (lb/gal) measures density. The US customary unit for liquid density, based on the US gallon (231 cubic inches). It is classified as a US customary density unit.
What is a slug per cubic yard?
Slug per Cubic yard (slug/yd3) is a unit of density.
Is the pound per gallon to slug per cubic yard conversion exact?
Yes. Both pound per gallon and slug per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 6.277544637 used above is exact to as many digits as you choose to display.
What is the difference between lb/gal vs. lb/ft³?
Both are US customary density units; they're related through the real, fixed relationship between the US gallon and the cubic foot (1 cubic foot ≈ 7.48 US gallons), not a round conversion factor.
Where is the pound per gallon still used today?
United States (paint, fuel, and industrial liquid density specifications)