Mass per volume density.
Grams per Quart to Stones per Gallon Converter — g/qt to st/gal
Convert Gram per Quart (g/qt) to Stone per Gallon (st/gal) using the exact conversion factor (1 gram per quart = 0.0006298922 stone per gallon). See the formula, worked examples, and conversion table.
Grams 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 1.056688209 / 1677.569982.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Quart to Stones per Gallon
Gram 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 = grams per quart × 0.000629892177671
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per quart equals 1.05668820943 base units, and 1 stone per gallon equals 1677.56998244 base units, so dividing one by the other gives the direct gram per quart-to-stone per gallon factor of 0.000629892177671.
Simple example
1 g/qt × 0.0006298921777 = 0.0006298922 st/gal
1 gram per quart = 0.0006298922 stones per gallon.
Real-world example
1,000 g/qt × 0.0006298921777 = 0.6298921777 st/gal
1,000 grams per quart = 0.6298921777 stones per gallon.
Conversion table
| Gram per Quart (g/qt) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 g/qt | 0.0000629892 st/gal |
| 1 g/qt | 0.0006298922 st/gal |
| 10 g/qt | 0.0062989218 st/gal |
| 100 g/qt | 0.0629892178 st/gal |
| 1,000 g/qt | 0.6298921777 st/gal |
| 10,000 g/qt | 6.298921777 st/gal |
Reverse conversion: Stone per Gallon to Gram per Quart
0.0006298922 st/gal × 1587.573295 = 1.000000035 g/qt
0.0006298922 stones per gallon = 1.000000035 grams per quart.
grams per quart = stones per gallon × 1587.573295
For a page dedicated to this direction, see Stone per Gallon to Gram per Quart.
Understanding the Gram per Quart (g/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 gram per quart?
1 gram per quart equals 0.0006298922 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert gram per quart to stone per gallon?
Multiply the gram per quart value by 0.0006298921777. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to gram per quart?
Use the reverse factor: 1 stone per gallon equals 1,587.573295 grams per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per quart?
Gram per Quart (g/qt) is a unit of density.
What is a stone per gallon?
Stone per Gallon (st/gal) is a unit of density.
Is the gram per quart to stone per gallon conversion exact?
Yes. Both gram per quart and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.0006298921777 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.