Mass per volume density.
Stones per Cubic yard to Slugs per Quart Converter — st/yd3 to slug/qt
Convert Stone per Cubic yard (st/yd3) to Slug per Quart (slug/qt) using the exact conversion factor (1 stone per cubic yard = 0.0005386006 slug per quart). See the formula, worked examples, and conversion table.
Stones per Cubic yard to Slugs per Quart 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 / 15421.20516.
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 Quart
Stone per Cubic yard and Slug per Quart 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 quart = stones per cubic yard × 0.000538600570424
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 quart equals 15421.2051633 base units, so dividing one by the other gives the direct stone per cubic yard-to-slug per quart factor of 0.000538600570424.
Simple example
1 st/yd3 × 0.0005386005704 = 0.0005386006 slug/qt
1 stone per cubic yard = 0.0005386006 slugs per quart.
Real-world example
1,000 st/yd3 × 0.0005386005704 = 0.5386005704 slug/qt
1,000 stones per cubic yard = 0.5386005704 slugs per quart.
Conversion table
| Stone per Cubic yard (st/yd3) | Slug per Quart (slug/qt) |
|---|---|
| 0.1 st/yd3 | 0.0000538601 slug/qt |
| 1 st/yd3 | 0.0005386006 slug/qt |
| 10 st/yd3 | 0.0053860057 slug/qt |
| 100 st/yd3 | 0.053860057 slug/qt |
| 1,000 st/yd3 | 0.5386005704 slug/qt |
| 10,000 st/yd3 | 5.386005704 slug/qt |
Reverse conversion: Slug per Quart to Stone per Cubic yard
0.0005386006 slug/qt × 1856.663463 = 1.000000055 st/yd3
0.0005386006 slugs per quart = 1.000000055 stones per cubic yard.
stones per cubic yard = slugs per quart × 1856.66346252
For a page dedicated to this direction, see Slug per Quart to Stone per Cubic yard.
Understanding the Stone per Cubic yard (st/yd3)
Mass per volume density.
Understanding the Slug per Quart (slug/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per quart are in 1 stone per cubic yard?
1 stone per cubic yard equals 0.0005386006 slugs per quart, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic yard to slug per quart?
Multiply the stone per cubic yard value by 0.0005386005704. The converter above does this instantly to whatever precision you set.
How do I convert slug per quart back to stone per cubic yard?
Use the reverse factor: 1 slug per quart equals 1,856.663463 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 quart?
Slug per Quart (slug/qt) is a unit of density.
Is the stone per cubic yard to slug per quart conversion exact?
Yes. Both stone per cubic yard and slug per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.0005386005704 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.