Mass per volume density.
Grains per Cubic Millimeter to Ounces per Quart Converter — gr/mm3 to oz/qt
Convert Grain per Cubic Millimeter (gr/mm3) to Ounce per Quart (oz/qt) using the exact conversion factor (1 grain per cubic millimeter = 2,163.092448 ounce per quart). See the formula, worked examples, and conversion table.
Grains per Cubic Millimeter 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 64798.91 / 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 Cubic Millimeter to Ounces per Quart
Grain per Cubic Millimeter 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 cubic millimeter × 2163.092448
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic millimeter equals 64798.91 base units, and 1 ounce per quart equals 29.9566068292 base units, so dividing one by the other gives the direct grain per cubic millimeter-to-ounce per quart factor of 2163.092448.
Simple example
1 gr/mm3 × 2163.092448 = 2,163.092448 oz/qt
1 grain per cubic millimeter = 2,163.092448 ounces per quart.
Real-world example
1,000 gr/mm3 × 2163.092448 = 2,163,092.448 oz/qt
1,000 grains per cubic millimeter = 2,163,092.448 ounces per quart.
Conversion table
| Grain per Cubic Millimeter (gr/mm3) | Ounce per Quart (oz/qt) |
|---|---|
| 0.1 gr/mm3 | 216.3092448 oz/qt |
| 1 gr/mm3 | 2,163.092448 oz/qt |
| 10 gr/mm3 | 21,630.92448 oz/qt |
| 100 gr/mm3 | 216,309.2448 oz/qt |
| 1,000 gr/mm3 | 2,163,092.448 oz/qt |
| 10,000 gr/mm3 | 21,630,924.48 oz/qt |
Reverse conversion: Ounce per Quart to Grain per Cubic Millimeter
1 oz/qt × 0.0004623010916 = 0.0004623011 gr/mm3
1 ounce per quart = 0.0004623011 grains per cubic millimeter.
grains per cubic millimeter = ounces per quart × 0.000462301091627
For a page dedicated to this direction, see Ounce per Quart to Grain per Cubic Millimeter.
Understanding the Grain per Cubic Millimeter (gr/mm3)
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 cubic millimeter?
1 grain per cubic millimeter equals 2,163.092448 ounces per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic millimeter to ounce per quart?
Multiply the grain per cubic millimeter value by 2163.092448. The converter above does this instantly to whatever precision you set.
How do I convert ounce per quart back to grain per cubic millimeter?
Use the reverse factor: 1 ounce per quart equals 0.0004623011 grains per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic millimeter?
Grain per Cubic Millimeter (gr/mm3) 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 cubic millimeter to ounce per quart conversion exact?
Yes. Both grain per cubic millimeter and ounce per quart are defined by fixed standards rather than physical artifacts, so the factor of 2163.092448 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.