Mass per volume density.
Stones per Cubic yard to Slugs per Gallon Converter — st/yd3 to slug/gal
Convert Stone per Cubic yard (st/yd3) to Slug per Gallon (slug/gal) using the exact conversion factor (1 stone per cubic yard = 0.0021544023 slug per gallon). See the formula, worked examples, and conversion table.
Stones 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 8.305869898 / 3855.301291.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cubic yard to Slugs per Gallon
Stone 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 = stones per cubic yard × 0.0021544022817
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic yard equals 8.30586989761 base units, and 1 slug per gallon equals 3855.30129084 base units, so dividing one by the other gives the direct stone per cubic yard-to-slug per gallon factor of 0.0021544022817.
Simple example
1 st/yd3 × 0.002154402282 = 0.0021544023 slug/gal
1 stone per cubic yard = 0.0021544023 slugs per gallon.
Real-world example
1,000 st/yd3 × 0.002154402282 = 2.154402282 slug/gal
1,000 stones per cubic yard = 2.154402282 slugs per gallon.
Conversion table
| Stone per Cubic yard (st/yd3) | Slug per Gallon (slug/gal) |
|---|---|
| 0.1 st/yd3 | 0.0002154402 slug/gal |
| 1 st/yd3 | 0.0021544023 slug/gal |
| 10 st/yd3 | 0.0215440228 slug/gal |
| 100 st/yd3 | 0.2154402282 slug/gal |
| 1,000 st/yd3 | 2.154402282 slug/gal |
| 10,000 st/yd3 | 21.54402282 slug/gal |
Reverse conversion: Slug per Gallon to Stone per Cubic yard
0.0021544023 slug/gal × 464.1658656 = 1.000000008 st/yd3
0.0021544023 slugs per gallon = 1.000000008 stones per cubic yard.
stones per cubic yard = slugs per gallon × 464.16586563
For a page dedicated to this direction, see Slug per Gallon to Stone per Cubic yard.
Understanding the Stone per Cubic yard (st/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 stone per cubic yard?
1 stone per cubic yard equals 0.0021544023 slugs per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic yard to slug per gallon?
Multiply the stone per cubic yard value by 0.002154402282. The converter above does this instantly to whatever precision you set.
How do I convert slug per gallon back to stone per cubic yard?
Use the reverse factor: 1 slug per gallon equals 464.1658656 stones per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic yard?
Stone per Cubic yard (st/yd3) is a unit of density.
What is a slug per gallon?
Slug per Gallon (slug/gal) is a unit of density.
Is the stone per cubic yard to slug per gallon conversion exact?
Yes. Both stone per cubic yard and slug per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.002154402282 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.