Mass per volume density.
Slugs per Imperial gallon to Stones per Quart Converter — slug/imp gal to st/qt
Convert Slug per Imperial gallon (slug/imp gal) to Stone per Quart (st/qt) using the exact conversion factor (1 slug per imperial gallon = 0.4784017794 stone per quart). See the formula, worked examples, and conversion table.
Slugs per Imperial gallon to Stones 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 3210.209859 / 6710.27993.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Imperial gallon to Stones per Quart
Slug per Imperial gallon and Stone 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
stones per quart = slugs per imperial gallon × 0.478401779427
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per imperial gallon equals 3210.20985885 base units, and 1 stone per quart equals 6710.27992975 base units, so dividing one by the other gives the direct slug per imperial gallon-to-stone per quart factor of 0.478401779427.
Simple example
1 slug/imp gal × 0.4784017794 = 0.4784017794 st/qt
1 slug per imperial gallon = 0.4784017794 stones per quart.
Real-world example
1,000 slug/imp gal × 0.4784017794 = 478.4017794 st/qt
1,000 slugs per imperial gallon = 478.4017794 stones per quart.
Conversion table
| Slug per Imperial gallon (slug/imp gal) | Stone per Quart (st/qt) |
|---|---|
| 0.1 slug/imp gal | 0.0478401779 st/qt |
| 1 slug/imp gal | 0.4784017794 st/qt |
| 10 slug/imp gal | 4.784017794 st/qt |
| 100 slug/imp gal | 47.84017794 st/qt |
| 1,000 slug/imp gal | 478.4017794 st/qt |
| 10,000 slug/imp gal | 4,784.017794 st/qt |
Reverse conversion: Stone per Quart to Slug per Imperial gallon
0.4784017794 st/qt × 2.090293228 = 0.9999999999 slug/imp gal
0.4784017794 stones per quart = 0.9999999999 slugs per imperial gallon.
slugs per imperial gallon = stones per quart × 2.09029322842
For a page dedicated to this direction, see Stone per Quart to Slug per Imperial gallon.
Understanding the Slug per Imperial gallon (slug/imp gal)
Mass per volume density.
Understanding the Stone per Quart (st/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per quart are in 1 slug per imperial gallon?
1 slug per imperial gallon equals 0.4784017794 stones per quart, using the exact defined conversion factor rather than an estimate.
How do I convert slug per imperial gallon to stone per quart?
Multiply the slug per imperial gallon value by 0.4784017794. The converter above does this instantly to whatever precision you set.
How do I convert stone per quart back to slug per imperial gallon?
Use the reverse factor: 1 stone per quart equals 2.090293228 slugs per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per imperial gallon?
Slug per Imperial gallon (slug/imp gal) is a unit of density.
What is a stone per quart?
Stone per Quart (st/qt) is a unit of density.
Is the slug per imperial gallon to stone per quart conversion exact?
Yes. Both slug per imperial gallon and stone per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.4784017794 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.