Mass per volume density.
Carats per Quart to Grains per Cubic Meter Converter — ct/qt to gr/m3
Convert Carat per Quart (ct/qt) to Grain per Cubic Meter (gr/m3) using the exact conversion factor (1 carat per quart = 3,261.438223 grain per cubic meter). See the formula, worked examples, and conversion table.
Carats per Quart to Grains per Cubic Meter 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 0.2113376419 / 6.479891e-5.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Quart to Grains per Cubic Meter
Carat per Quart and Grain per Cubic Meter 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 cubic meter = carats per quart × 3261.43822306
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per quart equals 0.211337641887 base units, and 1 grain per cubic meter equals 0.00006479891 base units, so dividing one by the other gives the direct carat per quart-to-grain per cubic meter factor of 3261.43822306.
Simple example
1 ct/qt × 3261.438223 = 3,261.438223 gr/m3
1 carat per quart = 3,261.438223 grains per cubic meter.
Real-world example
1,000 ct/qt × 3261.438223 = 3,261,438.223 gr/m3
1,000 carats per quart = 3,261,438.223 grains per cubic meter.
Conversion table
| Carat per Quart (ct/qt) | Grain per Cubic Meter (gr/m3) |
|---|---|
| 0.1 ct/qt | 326.1438223 gr/m3 |
| 1 ct/qt | 3,261.438223 gr/m3 |
| 10 ct/qt | 32,614.38223 gr/m3 |
| 100 ct/qt | 326,143.8223 gr/m3 |
| 1,000 ct/qt | 3,261,438.223 gr/m3 |
| 10,000 ct/qt | 32,614,382.23 gr/m3 |
Reverse conversion: Grain per Cubic Meter to Carat per Quart
1 gr/m3 × 0.0003066131969 = 0.0003066132 ct/qt
1 grain per cubic meter = 0.0003066132 carats per quart.
carats per quart = grains per cubic meter × 0.00030661319688
For a page dedicated to this direction, see Grain per Cubic Meter to Carat per Quart.
Understanding the Carat per Quart (ct/qt)
Mass per volume density.
Understanding the Grain per Cubic Meter (gr/m3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per cubic meter are in 1 carat per quart?
1 carat per quart equals 3,261.438223 grains per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert carat per quart to grain per cubic meter?
Multiply the carat per quart value by 3261.438223. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic meter back to carat per quart?
Use the reverse factor: 1 grain per cubic meter equals 0.0003066132 carats per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per quart?
Carat per Quart (ct/qt) is a unit of density.
What is a grain per cubic meter?
Grain per Cubic Meter (gr/m3) is a unit of density.
Is the carat per quart to grain per cubic meter conversion exact?
Yes. Both carat per quart and grain per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 3261.438223 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.