Mass per volume density.
Slugs per Quart to Stones per Gallon Converter — slug/qt to st/gal
Convert Slug per Quart (slug/qt) to Stone per Gallon (st/gal) using the exact conversion factor (1 slug per quart = 9.192585302 stone per gallon). See the formula, worked examples, and conversion table.
Slugs per Quart to Stones 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 15421.20516 / 1677.569982.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Quart to Stones per Gallon
Slug per Quart and Stone 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
stones per gallon = slugs per quart × 9.19258530183
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per quart equals 15421.2051633 base units, and 1 stone per gallon equals 1677.56998244 base units, so dividing one by the other gives the direct slug per quart-to-stone per gallon factor of 9.19258530183.
Simple example
1 slug/qt × 9.192585302 = 9.192585302 st/gal
1 slug per quart = 9.192585302 stones per gallon.
Real-world example
1,000 slug/qt × 9.192585302 = 9,192.585302 st/gal
1,000 slugs per quart = 9,192.585302 stones per gallon.
Conversion table
| Slug per Quart (slug/qt) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 slug/qt | 0.9192585302 st/gal |
| 1 slug/qt | 9.192585302 st/gal |
| 10 slug/qt | 91.92585302 st/gal |
| 100 slug/qt | 919.2585302 st/gal |
| 1,000 slug/qt | 9,192.585302 st/gal |
| 10,000 slug/qt | 91,925.85302 st/gal |
Reverse conversion: Stone per Gallon to Slug per Quart
9.192585302 st/gal × 0.1087833256 = 1 slug/qt
9.192585302 stones per gallon = 1 slugs per quart.
slugs per quart = stones per gallon × 0.108783325601
For a page dedicated to this direction, see Stone per Gallon to Slug per Quart.
Understanding the Slug per Quart (slug/qt)
Mass per volume density.
Understanding the Stone per Gallon (st/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per gallon are in 1 slug per quart?
1 slug per quart equals 9.192585302 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert slug per quart to stone per gallon?
Multiply the slug per quart value by 9.192585302. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to slug per quart?
Use the reverse factor: 1 stone per gallon equals 0.1087833256 slugs per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per quart?
Slug per Quart (slug/qt) is a unit of density.
What is a stone per gallon?
Stone per Gallon (st/gal) is a unit of density.
Is the slug per quart to stone per gallon conversion exact?
Yes. Both slug per quart and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 9.192585302 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.