Mass per volume density.
Grains per Pint to Stones per Quart Converter — gr/pt to st/qt
Convert Grain per Pint (gr/pt) to Stone per Quart (st/qt) using the exact conversion factor (1 grain per pint = 0.0000204082 stone per quart). See the formula, worked examples, and conversion table.
Grains per Pint 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 0.1369444884 / 6710.27993.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Pint to Stones per Quart
Grain per Pint 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 = grains per pint × 0.0000204081632653
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per pint equals 0.136944488362 base units, and 1 stone per quart equals 6710.27992975 base units, so dividing one by the other gives the direct grain per pint-to-stone per quart factor of 0.0000204081632653.
Simple example
1 gr/pt × 0.00002040816327 = 0.0000204082 st/qt
1 grain per pint = 0.0000204082 stones per quart.
Real-world example
1,000 gr/pt × 0.00002040816327 = 0.0204081633 st/qt
1,000 grains per pint = 0.0204081633 stones per quart.
Conversion table
| Grain per Pint (gr/pt) | Stone per Quart (st/qt) |
|---|---|
| 0.1 gr/pt | 0.0000020408 st/qt |
| 1 gr/pt | 0.0000204082 st/qt |
| 10 gr/pt | 0.0002040816 st/qt |
| 100 gr/pt | 0.0020408163 st/qt |
| 1,000 gr/pt | 0.0204081633 st/qt |
| 10,000 gr/pt | 0.2040816327 st/qt |
Reverse conversion: Stone per Quart to Grain per Pint
0.0000204082 st/qt × 49000 = 1.0000018 gr/pt
0.0000204082 stones per quart = 1.0000018 grains per pint.
grains per pint = stones per quart × 49000
For a page dedicated to this direction, see Stone per Quart to Grain per Pint.
Understanding the Grain per Pint (gr/pt)
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 grain per pint?
1 grain per pint equals 0.0000204082 stones per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per pint to stone per quart?
Multiply the grain per pint value by 0.00002040816327. The converter above does this instantly to whatever precision you set.
How do I convert stone per quart back to grain per pint?
Use the reverse factor: 1 stone per quart equals 49,000 grains per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per pint?
Grain per Pint (gr/pt) is a unit of density.
What is a stone per quart?
Stone per Quart (st/qt) is a unit of density.
Is the grain per pint to stone per quart conversion exact?
Yes. Both grain per pint and stone per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.00002040816327 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.