Mass per volume density.
Grains per Fluid ounce to Grains per Quart Converter — gr/fl oz to gr/qt
Convert Grain per Fluid ounce (gr/fl oz) to Grain per Quart (gr/qt) using the exact conversion factor (1 grain per fluid ounce = 32 grain per quart). See the formula, worked examples, and conversion table.
Grains per Fluid ounce 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 2.191111814 / 0.06847224418.
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 Grains per Quart
Grain per Fluid ounce 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 = grains per fluid ounce × 32
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 grain per quart equals 0.0684722441811 base units, so dividing one by the other gives the direct grain per fluid ounce-to-grain per quart factor of 32.
Simple example
1 gr/fl oz × 32 = 32 gr/qt
1 grain per fluid ounce = 32 grains per quart.
Real-world example
1,000 gr/fl oz × 32 = 32,000 gr/qt
1,000 grains per fluid ounce = 32,000 grains per quart.
Conversion table
| Grain per Fluid ounce (gr/fl oz) | Grain per Quart (gr/qt) |
|---|---|
| 0.1 gr/fl oz | 3.2 gr/qt |
| 1 gr/fl oz | 32 gr/qt |
| 10 gr/fl oz | 320 gr/qt |
| 100 gr/fl oz | 3,200 gr/qt |
| 1,000 gr/fl oz | 32,000 gr/qt |
| 10,000 gr/fl oz | 320,000 gr/qt |
Reverse conversion: Grain per Quart to Grain per Fluid ounce
32 gr/qt × 0.03125 = 1 gr/fl oz
32 grains per quart = 1 grain per fluid ounce.
grains per fluid ounce = grains per quart × 0.03125
For a page dedicated to this direction, see Grain per Quart to Grain per Fluid ounce.
Understanding the Grain per Fluid ounce (gr/fl oz)
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 grain per fluid ounce?
1 grain per fluid ounce equals 32 grains per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per fluid ounce to grain per quart?
Multiply the grain per fluid ounce value by 32. The converter above does this instantly to whatever precision you set.
How do I convert grain per quart back to grain per fluid ounce?
Use the reverse factor: 1 grain per quart equals 0.03125 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 grain per quart?
Grain per Quart (gr/qt) is a unit of density.
Is the grain per fluid ounce to grain per quart conversion exact?
Yes. Both grain per fluid ounce and grain per quart are defined by fixed standards rather than physical artifacts, so the factor of 32 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.