Mass per volume density.
Carats per Cup to Decigrams per Cubic Millimeter Converter — ct/cup to dg/mm3
Convert Carat per Cup (ct/cup) to Decigram per Cubic Millimeter (dg/mm3) using the exact conversion factor (1 carat per cup = 0.0000084535 decigram per cubic millimeter). See the formula, worked examples, and conversion table.
Carats per Cup to Decigrams 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 0.8453505675 / 100000.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Cup to Decigrams per Cubic Millimeter
Carat per Cup and Decigram 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
decigrams per cubic millimeter = carats per cup × 0.00000845350567546
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per cup equals 0.845350567546 base units, and 1 decigram per cubic millimeter equals 100000 base units, so dividing one by the other gives the direct carat per cup-to-decigram per cubic millimeter factor of 0.00000845350567546.
Simple example
1 ct/cup × 0.000008453505675 = 0.0000084535 dg/mm3
1 carat per cup = 0.0000084535 decigrams per cubic millimeter.
Real-world example
1,000 ct/cup × 0.000008453505675 = 0.0084535057 dg/mm3
1,000 carats per cup = 0.0084535057 decigrams per cubic millimeter.
Conversion table
| Carat per Cup (ct/cup) | Decigram per Cubic Millimeter (dg/mm3) |
|---|---|
| 0.1 ct/cup | 8.453506e-7 dg/mm3 |
| 1 ct/cup | 0.0000084535 dg/mm3 |
| 10 ct/cup | 0.0000845351 dg/mm3 |
| 100 ct/cup | 0.0008453506 dg/mm3 |
| 1,000 ct/cup | 0.0084535057 dg/mm3 |
| 10,000 ct/cup | 0.0845350568 dg/mm3 |
Reverse conversion: Decigram per Cubic Millimeter to Carat per Cup
0.0000084535 dg/mm3 × 118294.1182 = 0.9999993286 ct/cup
0.0000084535 decigrams per cubic millimeter = 0.9999993286 carats per cup.
carats per cup = decigrams per cubic millimeter × 118294.11825
For a page dedicated to this direction, see Decigram per Cubic Millimeter to Carat per Cup.
Understanding the Carat per Cup (ct/cup)
Mass per volume density.
Understanding the Decigram per Cubic Millimeter (dg/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decigrams per cubic millimeter are in 1 carat per cup?
1 carat per cup equals 0.0000084535 decigrams per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert carat per cup to decigram per cubic millimeter?
Multiply the carat per cup value by 0.000008453505675. The converter above does this instantly to whatever precision you set.
How do I convert decigram per cubic millimeter back to carat per cup?
Use the reverse factor: 1 decigram per cubic millimeter equals 118,294.1182 carats per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per cup?
Carat per Cup (ct/cup) is a unit of density.
What is a decigram per cubic millimeter?
Decigram per Cubic Millimeter (dg/mm3) is a unit of density.
Is the carat per cup to decigram per cubic millimeter conversion exact?
Yes. Both carat per cup and decigram per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.000008453505675 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.