Mass per volume density.
Stones per Gallon to Grams per Quart Converter — st/gal to g/qt
Convert Stone per Gallon (st/gal) to Gram per Quart (g/qt) using the exact conversion factor (1 stone per gallon = 1,587.573295 gram per quart). See the formula, worked examples, and conversion table.
Stones per Gallon to Grams 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 / 1.056688209.
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 Grams per Quart
Stone per Gallon and Gram 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
grams per quart = stones per gallon × 1587.573295
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 gram per quart equals 1.05668820943 base units, so dividing one by the other gives the direct stone per gallon-to-gram per quart factor of 1587.573295.
Simple example
1 st/gal × 1587.573295 = 1,587.573295 g/qt
1 stone per gallon = 1,587.573295 grams per quart.
Real-world example
1,000 st/gal × 1587.573295 = 1,587,573.295 g/qt
1,000 stones per gallon = 1,587,573.295 grams per quart.
Conversion table
| Stone per Gallon (st/gal) | Gram per Quart (g/qt) |
|---|---|
| 0.1 st/gal | 158.7573295 g/qt |
| 1 st/gal | 1,587.573295 g/qt |
| 10 st/gal | 15,875.73295 g/qt |
| 100 st/gal | 158,757.3295 g/qt |
| 1,000 st/gal | 1,587,573.295 g/qt |
| 10,000 st/gal | 15,875,732.95 g/qt |
Reverse conversion: Gram per Quart to Stone per Gallon
1 g/qt × 0.0006298921777 = 0.0006298922 st/gal
1 gram per quart = 0.0006298922 stones per gallon.
stones per gallon = grams per quart × 0.000629892177671
For a page dedicated to this direction, see Gram per Quart to Stone per Gallon.
Understanding the Stone per Gallon (st/gal)
Mass per volume density.
Understanding the Gram per Quart (g/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per quart are in 1 stone per gallon?
1 stone per gallon equals 1,587.573295 grams per quart, using the exact defined conversion factor rather than an estimate.
How do I convert stone per gallon to gram per quart?
Multiply the stone per gallon value by 1587.573295. The converter above does this instantly to whatever precision you set.
How do I convert gram per quart back to stone per gallon?
Use the reverse factor: 1 gram per quart equals 0.0006298922 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 gram per quart?
Gram per Quart (g/qt) is a unit of density.
Is the stone per gallon to gram per quart conversion exact?
Yes. Both stone per gallon and gram per quart are defined by fixed standards rather than physical artifacts, so the factor of 1587.573295 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.