Mass per volume density.
Carats per Gallon to Drams per Cubic Millimeter Converter — ct/gal to dr/mm3
Convert Carat per Gallon (ct/gal) to Dram per Cubic Millimeter (dr/mm3) using the exact conversion factor (1 carat per gallon = 2.981886e-8 dram per cubic millimeter). See the formula, worked examples, and conversion table.
Carats per Gallon to Drams 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 0.05283441047 / 1.7718452e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Gallon to Drams per Cubic Millimeter
Carat per Gallon and Dram 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
drams per cubic millimeter = carats per gallon × 2.981886e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per gallon equals 0.0528344104716 base units, and 1 dram per cubic millimeter equals 1771845.19531 base units, so dividing one by the other gives the direct carat per gallon-to-dram per cubic millimeter factor of 2.981886e-8.
Simple example
1 ct/gal × 2.981886e-8 = 2.981886e-8 dr/mm3
1 carat per gallon = 2.981886e-8 drams per cubic millimeter.
Real-world example
1,000 ct/gal × 2.981886e-8 = 0.0000298189 dr/mm3
1,000 carats per gallon = 0.0000298189 drams per cubic millimeter.
Conversion table
| Carat per Gallon (ct/gal) | Dram per Cubic Millimeter (dr/mm3) |
|---|---|
| 0.1 ct/gal | 2.981886e-9 dr/mm3 |
| 1 ct/gal | 2.981886e-8 dr/mm3 |
| 10 ct/gal | 2.981886e-7 dr/mm3 |
| 100 ct/gal | 0.0000029819 dr/mm3 |
| 1,000 ct/gal | 0.0000298189 dr/mm3 |
| 10,000 ct/gal | 0.0002981886 dr/mm3 |
Reverse conversion: Dram per Cubic Millimeter to Carat per Gallon
2.981886e-8 dr/mm3 × 33535818.41 = 0.9999998741 ct/gal
2.981886e-8 drams per cubic millimeter = 0.9999998741 carats per gallon.
carats per gallon = drams per cubic millimeter × 33535818.4088
For a page dedicated to this direction, see Dram per Cubic Millimeter to Carat per Gallon.
Understanding the Carat per Gallon (ct/gal)
Mass per volume density.
Understanding the Dram per Cubic Millimeter (dr/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cubic millimeter are in 1 carat per gallon?
1 carat per gallon equals 2.981886e-8 drams per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert carat per gallon to dram per cubic millimeter?
Multiply the carat per gallon value by 2.981886e-8. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic millimeter back to carat per gallon?
Use the reverse factor: 1 dram per cubic millimeter equals 33,535,818.41 carats per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per gallon?
Carat per Gallon (ct/gal) is a unit of density.
What is a dram per cubic millimeter?
Dram per Cubic Millimeter (dr/mm3) is a unit of density.
Is the carat per gallon to dram per cubic millimeter conversion exact?
Yes. Both carat per gallon and dram per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 2.981886e-8 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.