Mass per volume density.
Grains per Cubic Millimeter to Grams per Quart Converter — gr/mm3 to g/qt
Convert Grain per Cubic Millimeter (gr/mm3) to Gram per Quart (g/qt) using the exact conversion factor (1 grain per cubic millimeter = 61,322.63938 gram per quart). See the formula, worked examples, and conversion table.
Grains per Cubic Millimeter to Grams 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 / 1.056688209.
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 Grams per Quart
Grain per Cubic Millimeter and Gram 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
grams per quart = grains per cubic millimeter × 61322.6393761
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 gram per quart equals 1.05668820943 base units, so dividing one by the other gives the direct grain per cubic millimeter-to-gram per quart factor of 61322.6393761.
Simple example
1 gr/mm3 × 61322.63938 = 61,322.63938 g/qt
1 grain per cubic millimeter = 61,322.63938 grams per quart.
Real-world example
1,000 gr/mm3 × 61322.63938 = 61,322,639.38 g/qt
1,000 grains per cubic millimeter = 61,322,639.38 grams per quart.
Conversion table
| Grain per Cubic Millimeter (gr/mm3) | Gram per Quart (g/qt) |
|---|---|
| 0.1 gr/mm3 | 6,132.263938 g/qt |
| 1 gr/mm3 | 61,322.63938 g/qt |
| 10 gr/mm3 | 613,226.3938 g/qt |
| 100 gr/mm3 | 6,132,263.938 g/qt |
| 1,000 gr/mm3 | 61,322,639.38 g/qt |
| 10,000 gr/mm3 | 613,226,393.8 g/qt |
Reverse conversion: Gram per Quart to Grain per Cubic Millimeter
1 g/qt × 0.00001630719112 = 0.0000163072 gr/mm3
1 gram per quart = 0.0000163072 grains per cubic millimeter.
grains per cubic millimeter = grams per quart × 0.0000163071911153
For a page dedicated to this direction, see Gram per Quart to Grain per Cubic Millimeter.
Understanding the Grain per Cubic Millimeter (gr/mm3)
Mass per volume density.
Understanding the Gram per Quart (g/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per quart are in 1 grain per cubic millimeter?
1 grain per cubic millimeter equals 61,322.63938 grams per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic millimeter to gram per quart?
Multiply the grain per cubic millimeter value by 61322.63938. The converter above does this instantly to whatever precision you set.
How do I convert gram per quart back to grain per cubic millimeter?
Use the reverse factor: 1 gram per quart equals 0.0000163072 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 gram per quart?
Gram per Quart (g/qt) is a unit of density.
Is the grain per cubic millimeter to gram per quart conversion exact?
Yes. Both grain per cubic millimeter and gram per quart are defined by fixed standards rather than physical artifacts, so the factor of 61322.63938 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.