Mass per volume density.
Grains per Quart to Stones per Pint Converter — gr/qt to st/pt
Convert Grain per Quart (gr/qt) to Stone per Pint (st/pt) using the exact conversion factor (1 grain per quart = 0.000005102 stone per pint). See the formula, worked examples, and conversion table.
Grains per Quart to Stones per Pint 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 0.06847224418 / 13420.55986.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Quart to Stones per Pint
Grain per Quart and Stone per Pint 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 pint = grains per quart × 0.00000510204081633
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per quart equals 0.0684722441811 base units, and 1 stone per pint equals 13420.5598595 base units, so dividing one by the other gives the direct grain per quart-to-stone per pint factor of 0.00000510204081633.
Simple example
1 gr/qt × 0.000005102040816 = 0.000005102 st/pt
1 grain per quart = 0.000005102 stones per pint.
Real-world example
1,000 gr/qt × 0.000005102040816 = 0.0051020408 st/pt
1,000 grains per quart = 0.0051020408 stones per pint.
Conversion table
| Grain per Quart (gr/qt) | Stone per Pint (st/pt) |
|---|---|
| 0.1 gr/qt | 5.102041e-7 st/pt |
| 1 gr/qt | 0.000005102 st/pt |
| 10 gr/qt | 0.0000510204 st/pt |
| 100 gr/qt | 0.0005102041 st/pt |
| 1,000 gr/qt | 0.0051020408 st/pt |
| 10,000 gr/qt | 0.0510204082 st/pt |
Reverse conversion: Stone per Pint to Grain per Quart
0.000005102 st/pt × 196000 = 0.999992 gr/qt
0.000005102 stones per pint = 0.999992 grains per quart.
grains per quart = stones per pint × 196000
For a page dedicated to this direction, see Stone per Pint to Grain per Quart.
Understanding the Grain per Quart (gr/qt)
Mass per volume density.
Understanding the Stone per Pint (st/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per pint are in 1 grain per quart?
1 grain per quart equals 0.000005102 stones per pint, using the exact defined conversion factor rather than an estimate.
How do I convert grain per quart to stone per pint?
Multiply the grain per quart value by 0.000005102040816. The converter above does this instantly to whatever precision you set.
How do I convert stone per pint back to grain per quart?
Use the reverse factor: 1 stone per pint equals 196,000 grains per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per quart?
Grain per Quart (gr/qt) is a unit of density.
What is a stone per pint?
Stone per Pint (st/pt) is a unit of density.
Is the grain per quart to stone per pint conversion exact?
Yes. Both grain per quart and stone per pint are defined by fixed standards rather than physical artifacts, so the factor of 0.000005102040816 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.