Mass per volume density.
Stones per Gallon to Slugs per Quart Converter — st/gal to slug/qt
Convert Stone per Gallon (st/gal) to Slug per Quart (slug/qt) using the exact conversion factor (1 stone per gallon = 0.1087833256 slug per quart). See the formula, worked examples, and conversion table.
Stones per Gallon 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 1677.569982 / 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 Gallon to Slugs per Quart
Stone per Gallon 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 gallon × 0.108783325601
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per gallon equals 1677.56998244 base units, and 1 slug per quart equals 15421.2051633 base units, so dividing one by the other gives the direct stone per gallon-to-slug per quart factor of 0.108783325601.
Simple example
1 st/gal × 0.1087833256 = 0.1087833256 slug/qt
1 stone per gallon = 0.1087833256 slugs per quart.
Real-world example
1,000 st/gal × 0.1087833256 = 108.7833256 slug/qt
1,000 stones per gallon = 108.7833256 slugs per quart.
Conversion table
| Stone per Gallon (st/gal) | Slug per Quart (slug/qt) |
|---|---|
| 0.1 st/gal | 0.0108783326 slug/qt |
| 1 st/gal | 0.1087833256 slug/qt |
| 10 st/gal | 1.087833256 slug/qt |
| 100 st/gal | 10.87833256 slug/qt |
| 1,000 st/gal | 108.7833256 slug/qt |
| 10,000 st/gal | 1,087.833256 slug/qt |
Reverse conversion: Slug per Quart to Stone per Gallon
0.1087833256 slug/qt × 9.192585302 = 1 st/gal
0.1087833256 slugs per quart = 1 stones per gallon.
stones per gallon = slugs per quart × 9.19258530183
For a page dedicated to this direction, see Slug per Quart to Stone per Gallon.
Understanding the Stone per Gallon (st/gal)
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 gallon?
1 stone per gallon equals 0.1087833256 slugs per quart, using the exact defined conversion factor rather than an estimate.
How do I convert stone per gallon to slug per quart?
Multiply the stone per gallon value by 0.1087833256. The converter above does this instantly to whatever precision you set.
How do I convert slug per quart back to stone per gallon?
Use the reverse factor: 1 slug per quart equals 9.192585302 stones per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per gallon?
Stone per Gallon (st/gal) 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 gallon to slug per quart conversion exact?
Yes. Both stone per gallon and slug per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.1087833256 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.