Mass per volume density.
Grains per Quart to Carats per Cubic Meter Converter — gr/qt to ct/m3
Convert Grain per Quart (gr/qt) to Carat per Cubic Meter (ct/m3) using the exact conversion factor (1 grain per quart = 342.3612209 carat per cubic meter). See the formula, worked examples, and conversion table.
Grains per Quart to Carats 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 0.06847224418 / 0.0002.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Quart to Carats per Cubic Meter
Grain per Quart and Carat 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
carats per cubic meter = grains per quart × 342.361220905
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per quart equals 0.0684722441811 base units, and 1 carat per cubic meter equals 0.0002 base units, so dividing one by the other gives the direct grain per quart-to-carat per cubic meter factor of 342.361220905.
Simple example
1 gr/qt × 342.3612209 = 342.3612209 ct/m3
1 grain per quart = 342.3612209 carats per cubic meter.
Real-world example
1,000 gr/qt × 342.3612209 = 342,361.2209 ct/m3
1,000 grains per quart = 342,361.2209 carats per cubic meter.
Conversion table
| Grain per Quart (gr/qt) | Carat per Cubic Meter (ct/m3) |
|---|---|
| 0.1 gr/qt | 34.23612209 ct/m3 |
| 1 gr/qt | 342.3612209 ct/m3 |
| 10 gr/qt | 3,423.612209 ct/m3 |
| 100 gr/qt | 34,236.12209 ct/m3 |
| 1,000 gr/qt | 342,361.2209 ct/m3 |
| 10,000 gr/qt | 3,423,612.209 ct/m3 |
Reverse conversion: Carat per Cubic Meter to Grain per Quart
342.3612209 ct/m3 × 0.002920891558 = 1 gr/qt
342.3612209 carats per cubic meter = 1 grains per quart.
grains per quart = carats per cubic meter × 0.00292089155821
For a page dedicated to this direction, see Carat per Cubic Meter to Grain per Quart.
Understanding the Grain per Quart (gr/qt)
Mass per volume density.
Understanding the Carat per Cubic Meter (ct/m3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per cubic meter are in 1 grain per quart?
1 grain per quart equals 342.3612209 carats per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per quart to carat per cubic meter?
Multiply the grain per quart value by 342.3612209. The converter above does this instantly to whatever precision you set.
How do I convert carat per cubic meter back to grain per quart?
Use the reverse factor: 1 carat per cubic meter equals 0.0029208916 grains per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per quart?
Grain per Quart (gr/qt) is a unit of density.
What is a carat per cubic meter?
Carat per Cubic Meter (ct/m3) is a unit of density.
Is the grain per quart to carat per cubic meter conversion exact?
Yes. Both grain per quart and carat per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 342.3612209 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.