Mass per volume density.
Grams per Pint to Grains per Quart Converter — g/pt to gr/qt
Convert Gram per Pint (g/pt) to Grain per Quart (gr/qt) using the exact conversion factor (1 gram per pint = 30.86471671 grain per quart). See the formula, worked examples, and conversion table.
Grams per Pint to Grains 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 2.113376419 / 0.06847224418.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Pint to Grains per Quart
Gram per Pint and Grain 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
grains per quart = grams per pint × 30.8647167059
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per pint equals 2.11337641887 base units, and 1 grain per quart equals 0.0684722441811 base units, so dividing one by the other gives the direct gram per pint-to-grain per quart factor of 30.8647167059.
Simple example
1 g/pt × 30.86471671 = 30.86471671 gr/qt
1 gram per pint = 30.86471671 grains per quart.
Real-world example
1,000 g/pt × 30.86471671 = 30,864.71671 gr/qt
1,000 grams per pint = 30,864.71671 grains per quart.
Conversion table
| Gram per Pint (g/pt) | Grain per Quart (gr/qt) |
|---|---|
| 0.1 g/pt | 3.086471671 gr/qt |
| 1 g/pt | 30.86471671 gr/qt |
| 10 g/pt | 308.6471671 gr/qt |
| 100 g/pt | 3,086.471671 gr/qt |
| 1,000 g/pt | 30,864.71671 gr/qt |
| 10,000 g/pt | 308,647.1671 gr/qt |
Reverse conversion: Grain per Quart to Gram per Pint
30.86471671 gr/qt × 0.032399455 = 1 g/pt
30.86471671 grains per quart = 1 grams per pint.
grams per pint = grains per quart × 0.032399455
For a page dedicated to this direction, see Grain per Quart to Gram per Pint.
Understanding the Gram per Pint (g/pt)
Mass per volume density.
Understanding the Grain per Quart (gr/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per quart are in 1 gram per pint?
1 gram per pint equals 30.86471671 grains per quart, using the exact defined conversion factor rather than an estimate.
How do I convert gram per pint to grain per quart?
Multiply the gram per pint value by 30.86471671. The converter above does this instantly to whatever precision you set.
How do I convert grain per quart back to gram per pint?
Use the reverse factor: 1 grain per quart equals 0.032399455 grams per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per pint?
Gram per Pint (g/pt) is a unit of density.
What is a grain per quart?
Grain per Quart (gr/qt) is a unit of density.
Is the gram per pint to grain per quart conversion exact?
Yes. Both gram per pint and grain per quart are defined by fixed standards rather than physical artifacts, so the factor of 30.86471671 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.