Mass per volume density.
Carats per Quart to Hectograms per Cubic Millimeter Converter — ct/qt to hg/mm3
Convert Carat per Quart (ct/qt) to Hectogram per Cubic Millimeter (hg/mm3) using the exact conversion factor (1 carat per quart = 2.113376e-9 hectogram per cubic millimeter). See the formula, worked examples, and conversion table.
Carats per Quart to Hectograms per Cubic Millimeter 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 / 1e+8.
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 Hectograms per Cubic Millimeter
Carat per Quart and Hectogram per Cubic Millimeter 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
hectograms per cubic millimeter = carats per quart × 2.113376e-9
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 hectogram per cubic millimeter equals 100000000 base units, so dividing one by the other gives the direct carat per quart-to-hectogram per cubic millimeter factor of 2.113376e-9.
Simple example
1 ct/qt × 2.113376e-9 = 2.113376e-9 hg/mm3
1 carat per quart = 2.113376e-9 hectograms per cubic millimeter.
Real-world example
1,000 ct/qt × 2.113376e-9 = 0.0000021134 hg/mm3
1,000 carats per quart = 0.0000021134 hectograms per cubic millimeter.
Conversion table
| Carat per Quart (ct/qt) | Hectogram per Cubic Millimeter (hg/mm3) |
|---|---|
| 0.1 ct/qt | 2.113376e-10 hg/mm3 |
| 1 ct/qt | 2.113376e-9 hg/mm3 |
| 10 ct/qt | 2.113376e-8 hg/mm3 |
| 100 ct/qt | 2.113376e-7 hg/mm3 |
| 1,000 ct/qt | 0.0000021134 hg/mm3 |
| 10,000 ct/qt | 0.0000211338 hg/mm3 |
Reverse conversion: Hectogram per Cubic Millimeter to Carat per Quart
2.113376e-9 hg/mm3 × 473176473 = 0.9999998018 ct/qt
2.113376e-9 hectograms per cubic millimeter = 0.9999998018 carats per quart.
carats per quart = hectograms per cubic millimeter × 473176473
For a page dedicated to this direction, see Hectogram per Cubic Millimeter to Carat per Quart.
Understanding the Carat per Quart (ct/qt)
Mass per volume density.
Understanding the Hectogram per Cubic Millimeter (hg/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectograms per cubic millimeter are in 1 carat per quart?
1 carat per quart equals 2.113376e-9 hectograms per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert carat per quart to hectogram per cubic millimeter?
Multiply the carat per quart value by 2.113376e-9. The converter above does this instantly to whatever precision you set.
How do I convert hectogram per cubic millimeter back to carat per quart?
Use the reverse factor: 1 hectogram per cubic millimeter equals 473,176,473 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 hectogram per cubic millimeter?
Hectogram per Cubic Millimeter (hg/mm3) is a unit of density.
Is the carat per quart to hectogram per cubic millimeter conversion exact?
Yes. Both carat per quart and hectogram per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 2.113376e-9 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.