Mass per volume density.
Carats per Quart to Grain per Cubic inches Converter — ct/qt to gr/in3
Convert Carat per Quart (ct/qt) to Grain per Cubic inch (gr/in3) using the exact conversion factor (1 carat per quart = 0.0534453969 grain per cubic inch). See the formula, worked examples, and conversion table.
Carats per Quart to Grain per Cubic inches 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 / 3.954272101.
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 Grain per Cubic inches
Carat per Quart and Grain per Cubic inch 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
grain per cubic inches = carats per quart × 0.0534453968933
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 inch equals 3.95427210146 base units, so dividing one by the other gives the direct carat per quart-to-grain per cubic inch factor of 0.0534453968933.
Simple example
1 ct/qt × 0.05344539689 = 0.0534453969 gr/in3
1 carat per quart = 0.0534453969 grain per cubic inches.
Real-world example
1,000 ct/qt × 0.05344539689 = 53.44539689 gr/in3
1,000 carats per quart = 53.44539689 grain per cubic inches.
Conversion table
| Carat per Quart (ct/qt) | Grain per Cubic inch (gr/in3) |
|---|---|
| 0.1 ct/qt | 0.0053445397 gr/in3 |
| 1 ct/qt | 0.0534453969 gr/in3 |
| 10 ct/qt | 0.5344539689 gr/in3 |
| 100 ct/qt | 5.344539689 gr/in3 |
| 1,000 ct/qt | 53.44539689 gr/in3 |
| 10,000 ct/qt | 534.4539689 gr/in3 |
Reverse conversion: Grain per Cubic inch to Carat per Quart
0.0534453969 gr/in3 × 18.71068526 = 1 ct/qt
0.0534453969 grain per cubic inches = 1 carats per quart.
carats per quart = grain per cubic inches × 18.7106852625
For a page dedicated to this direction, see Grain per Cubic inch to Carat per Quart.
Understanding the Carat per Quart (ct/qt)
Mass per volume density.
Understanding the Grain per Cubic inch (gr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grain per cubic inches are in 1 carat per quart?
1 carat per quart equals 0.0534453969 grain per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert carat per quart to grain per cubic inch?
Multiply the carat per quart value by 0.05344539689. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic inch back to carat per quart?
Use the reverse factor: 1 grain per cubic inch equals 18.71068526 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 inch?
Grain per Cubic inch (gr/in3) is a unit of density.
Is the carat per quart to grain per cubic inch conversion exact?
Yes. Both carat per quart and grain per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.05344539689 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.