Mass per volume density.
Slugs per Cubic yard to Pounds per Gallon Converter — slug/yd3 to lb/gal
Convert Slug per Cubic yard (slug/yd3) to Pound per Gallon (lb/gal) using the exact conversion factor (1 slug per cubic yard = 0.1592979513 pound per gallon). See the formula, worked examples, conversion table, and common uses.
Slugs per Cubic yard to Pounds 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 19.08810438 / 119.8264273.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Cubic yard to Pounds per Gallon
Slug per Cubic yard and Pound 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
pounds per gallon = slugs per cubic yard × 0.159297951315
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per cubic yard equals 19.0881043849 base units, and 1 pound per gallon equals 119.826427317 base units, so dividing one by the other gives the direct slug per cubic yard-to-pound per gallon factor of 0.159297951315.
Simple example
1 slug/yd3 × 0.1592979513 = 0.1592979513 lb/gal
1 slug per cubic yard = 0.1592979513 pounds per gallon.
Real-world example
1,000 slug/yd3 × 0.1592979513 = 159.2979513 lb/gal
1,000 slugs per cubic yard = 159.2979513 pounds per gallon.
Conversion table
| Slug per Cubic yard (slug/yd3) | Pound per Gallon (lb/gal) |
|---|---|
| 0.1 slug/yd3 | 0.0159297951 lb/gal |
| 1 slug/yd3 | 0.1592979513 lb/gal |
| 10 slug/yd3 | 1.592979513 lb/gal |
| 100 slug/yd3 | 15.92979513 lb/gal |
| 1,000 slug/yd3 | 159.2979513 lb/gal |
| 10,000 slug/yd3 | 1,592.979513 lb/gal |
Reverse conversion: Pound per Gallon to Slug per Cubic yard
0.1592979513 lb/gal × 6.277544637 = 0.9999999999 slug/yd3
0.1592979513 pounds per gallon = 0.9999999999 slugs per cubic yard.
slugs per cubic yard = pounds per gallon × 6.27754463725
For a page dedicated to this direction, see Pound per Gallon to Slug per Cubic yard.
Understanding the Slug per Cubic yard (slug/yd3)
Mass per volume density.
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
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 pounds per gallon are in 1 slug per cubic yard?
1 slug per cubic yard equals 0.1592979513 pounds per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cubic yard to pound per gallon?
Multiply the slug per cubic yard value by 0.1592979513. The converter above does this instantly to whatever precision you set.
How do I convert pound per gallon back to slug per cubic yard?
Use the reverse factor: 1 pound per gallon equals 6.277544637 slugs per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per cubic yard?
Slug per Cubic yard (slug/yd3) is a unit of density.
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.
Is the slug per cubic yard to pound per gallon conversion exact?
Yes. Both slug per cubic yard and pound per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.1592979513 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.