Mass per volume density.
Grains per Quart to Ounces per Quart Converter — gr/qt to oz/qt
Convert Grain per Quart (gr/qt) to Ounce per Quart (oz/qt) using the exact conversion factor (1 grain per quart = 0.0022857143 ounce per quart). See the formula, worked examples, and conversion table.
Grains per Quart to Ounces 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 0.06847224418 / 29.95660683.
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 Ounces per Quart
Grain per Quart and Ounce 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
ounces per quart = grains per quart × 0.00228571428571
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 ounce per quart equals 29.9566068292 base units, so dividing one by the other gives the direct grain per quart-to-ounce per quart factor of 0.00228571428571.
Simple example
1 gr/qt × 0.002285714286 = 0.0022857143 oz/qt
1 grain per quart = 0.0022857143 ounces per quart.
Real-world example
1,000 gr/qt × 0.002285714286 = 2.285714286 oz/qt
1,000 grains per quart = 2.285714286 ounces per quart.
Conversion table
| Grain per Quart (gr/qt) | Ounce per Quart (oz/qt) |
|---|---|
| 0.1 gr/qt | 0.0002285714 oz/qt |
| 1 gr/qt | 0.0022857143 oz/qt |
| 10 gr/qt | 0.0228571429 oz/qt |
| 100 gr/qt | 0.2285714286 oz/qt |
| 1,000 gr/qt | 2.285714286 oz/qt |
| 10,000 gr/qt | 22.85714286 oz/qt |
Reverse conversion: Ounce per Quart to Grain per Quart
0.0022857143 oz/qt × 437.5 = 1.000000006 gr/qt
0.0022857143 ounces per quart = 1.000000006 grains per quart.
grains per quart = ounces per quart × 437.5
For a page dedicated to this direction, see Ounce per Quart to Grain per Quart.
Understanding the Grain per Quart (gr/qt)
Mass per volume density.
Understanding the Ounce per Quart (oz/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per quart are in 1 grain per quart?
1 grain per quart equals 0.0022857143 ounces per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per quart to ounce per quart?
Multiply the grain per quart value by 0.002285714286. The converter above does this instantly to whatever precision you set.
How do I convert ounce per quart back to grain per quart?
Use the reverse factor: 1 ounce per quart equals 437.5 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 ounce per quart?
Ounce per Quart (oz/qt) is a unit of density.
Is the grain per quart to ounce per quart conversion exact?
Yes. Both grain per quart and ounce per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.002285714286 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.