Mass per volume density.
Grains per Fluid ounce to Ounces per Quart Converter — gr/fl oz to oz/qt
Convert Grain per Fluid ounce (gr/fl oz) to Ounce per Quart (oz/qt) using the exact conversion factor (1 grain per fluid ounce = 0.0731428571 ounce per quart). See the formula, worked examples, and conversion table.
Grains per Fluid ounce 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 2.191111814 / 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 Fluid ounce to Ounces per Quart
Grain per Fluid ounce 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 fluid ounce × 0.0731428571429
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per fluid ounce equals 2.19111181379 base units, and 1 ounce per quart equals 29.9566068292 base units, so dividing one by the other gives the direct grain per fluid ounce-to-ounce per quart factor of 0.0731428571429.
Simple example
1 gr/fl oz × 0.07314285714 = 0.0731428571 oz/qt
1 grain per fluid ounce = 0.0731428571 ounces per quart.
Real-world example
1,000 gr/fl oz × 0.07314285714 = 73.14285714 oz/qt
1,000 grains per fluid ounce = 73.14285714 ounces per quart.
Conversion table
| Grain per Fluid ounce (gr/fl oz) | Ounce per Quart (oz/qt) |
|---|---|
| 0.1 gr/fl oz | 0.0073142857 oz/qt |
| 1 gr/fl oz | 0.0731428571 oz/qt |
| 10 gr/fl oz | 0.7314285714 oz/qt |
| 100 gr/fl oz | 7.314285714 oz/qt |
| 1,000 gr/fl oz | 73.14285714 oz/qt |
| 10,000 gr/fl oz | 731.4285714 oz/qt |
Reverse conversion: Ounce per Quart to Grain per Fluid ounce
0.0731428571 oz/qt × 13.671875 = 0.9999999994 gr/fl oz
0.0731428571 ounces per quart = 0.9999999994 grains per fluid ounce.
grains per fluid ounce = ounces per quart × 13.671875
For a page dedicated to this direction, see Ounce per Quart to Grain per Fluid ounce.
Understanding the Grain per Fluid ounce (gr/fl oz)
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 fluid ounce?
1 grain per fluid ounce equals 0.0731428571 ounces per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per fluid ounce to ounce per quart?
Multiply the grain per fluid ounce value by 0.07314285714. The converter above does this instantly to whatever precision you set.
How do I convert ounce per quart back to grain per fluid ounce?
Use the reverse factor: 1 ounce per quart equals 13.671875 grains per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) 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 fluid ounce to ounce per quart conversion exact?
Yes. Both grain per fluid ounce and ounce per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.07314285714 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.