Mass per volume density.
Carats per Liter to Milligrams per Cubic Millimeter Converter — ct/L to mg/mm3
Convert Carat per Liter (ct/L) to Milligram per Cubic Millimeter (mg/mm3) using the exact conversion factor (1 carat per liter = 0.0002 milligram per cubic millimeter). See the formula, worked examples, and conversion table.
Carats per Liter to Milligrams 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 0.2 / 1000.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Liter to Milligrams per Cubic Millimeter
Carat per Liter and Milligram 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
milligrams per cubic millimeter = carats per liter × 0.0002
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per liter equals 0.2 base units, and 1 milligram per cubic millimeter equals 1000 base units, so dividing one by the other gives the direct carat per liter-to-milligram per cubic millimeter factor of 0.0002.
Simple example
1 ct/L × 0.0002 = 0.0002 mg/mm3
1 carat per liter = 0.0002 milligrams per cubic millimeter.
Real-world example
1,000 ct/L × 0.0002 = 0.2 mg/mm3
1,000 carats per liter = 0.2 milligrams per cubic millimeter.
Conversion table
| Carat per Liter (ct/L) | Milligram per Cubic Millimeter (mg/mm3) |
|---|---|
| 0.1 ct/L | 0.00002 mg/mm3 |
| 1 ct/L | 0.0002 mg/mm3 |
| 10 ct/L | 0.002 mg/mm3 |
| 100 ct/L | 0.02 mg/mm3 |
| 1,000 ct/L | 0.2 mg/mm3 |
| 10,000 ct/L | 2 mg/mm3 |
Reverse conversion: Milligram per Cubic Millimeter to Carat per Liter
0.0002 mg/mm3 × 5000 = 1 ct/L
0.0002 milligrams per cubic millimeter = 1 carats per liter.
carats per liter = milligrams per cubic millimeter × 5000
For a page dedicated to this direction, see Milligram per Cubic Millimeter to Carat per Liter.
Understanding the Carat per Liter (ct/L)
Mass per volume density.
Understanding the Milligram per Cubic Millimeter (mg/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per cubic millimeter are in 1 carat per liter?
1 carat per liter equals 0.0002 milligrams per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert carat per liter to milligram per cubic millimeter?
Multiply the carat per liter value by 0.0002. The converter above does this instantly to whatever precision you set.
How do I convert milligram per cubic millimeter back to carat per liter?
Use the reverse factor: 1 milligram per cubic millimeter equals 5,000 carats per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per liter?
Carat per Liter (ct/L) is a unit of density.
What is a milligram per cubic millimeter?
Milligram per Cubic Millimeter (mg/mm3) is a unit of density.
Is the carat per liter to milligram per cubic millimeter conversion exact?
Yes. Both carat per liter and milligram per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.0002 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.