Mass per volume density.
Carats per Imperial gallon to Drams per Cubic Millimeter Converter — ct/imp gal to dr/mm3
Convert Carat per Imperial gallon (ct/imp gal) to Dram per Cubic Millimeter (dr/mm3) using the exact conversion factor (1 carat per imperial gallon = 2.48294e-8 dram per cubic millimeter). See the formula, worked examples, and conversion table.
Carats per Imperial 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 0.04399384966 / 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 Imperial gallon to Drams per Cubic Millimeter
Carat per Imperial 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 imperial gallon × 2.48294e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per imperial gallon equals 0.0439938496598 base units, and 1 dram per cubic millimeter equals 1771845.19531 base units, so dividing one by the other gives the direct carat per imperial gallon-to-dram per cubic millimeter factor of 2.48294e-8.
Simple example
1 ct/imp gal × 2.48294e-8 = 2.48294e-8 dr/mm3
1 carat per imperial gallon = 2.48294e-8 drams per cubic millimeter.
Real-world example
1,000 ct/imp gal × 2.48294e-8 = 0.0000248294 dr/mm3
1,000 carats per imperial gallon = 0.0000248294 drams per cubic millimeter.
Conversion table
| Carat per Imperial gallon (ct/imp gal) | Dram per Cubic Millimeter (dr/mm3) |
|---|---|
| 0.1 ct/imp gal | 2.48294e-9 dr/mm3 |
| 1 ct/imp gal | 2.48294e-8 dr/mm3 |
| 10 ct/imp gal | 2.48294e-7 dr/mm3 |
| 100 ct/imp gal | 0.0000024829 dr/mm3 |
| 1,000 ct/imp gal | 0.0000248294 dr/mm3 |
| 10,000 ct/imp gal | 0.000248294 dr/mm3 |
Reverse conversion: Dram per Cubic Millimeter to Carat per Imperial gallon
2.48294e-8 dr/mm3 × 40274838.62 = 1.000000078 ct/imp gal
2.48294e-8 drams per cubic millimeter = 1.000000078 carats per imperial gallon.
carats per imperial gallon = drams per cubic millimeter × 40274838.6198
For a page dedicated to this direction, see Dram per Cubic Millimeter to Carat per Imperial gallon.
Understanding the Carat per Imperial gallon (ct/imp 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 imperial gallon?
1 carat per imperial gallon equals 2.48294e-8 drams per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert carat per imperial gallon to dram per cubic millimeter?
Multiply the carat per imperial gallon value by 2.48294e-8. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic millimeter back to carat per imperial gallon?
Use the reverse factor: 1 dram per cubic millimeter equals 40,274,838.62 carats per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per imperial gallon?
Carat per Imperial gallon (ct/imp 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 imperial gallon to dram per cubic millimeter conversion exact?
Yes. Both carat per imperial gallon and dram per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 2.48294e-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.