Mass per volume density.
Picograms per Cubic Millimeter to Carats per Liter Converter — pg/mm3 to ct/L
Convert Picogram per Cubic Millimeter (pg/mm3) to Carat per Liter (ct/L) using the exact conversion factor (1 picogram per cubic millimeter = 0.000005 carat per liter). See the formula, worked examples, and conversion table.
Picograms per Cubic Millimeter to Carats per Liter 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 1e-6 / 0.2.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Picograms per Cubic Millimeter to Carats per Liter
Picogram per Cubic Millimeter and Carat per Liter 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
carats per liter = picograms per cubic millimeter × 0.000005
This factor comes from each unit's defined relationship to the category's base unit: 1 picogram per cubic millimeter equals 0.000001 base units, and 1 carat per liter equals 0.2 base units, so dividing one by the other gives the direct picogram per cubic millimeter-to-carat per liter factor of 0.000005.
Simple example
1 pg/mm3 × 0.000005 = 0.000005 ct/L
1 picogram per cubic millimeter = 0.000005 carats per liter.
Real-world example
1,000 pg/mm3 × 0.000005 = 0.005 ct/L
1,000 picograms per cubic millimeter = 0.005 carats per liter.
Conversion table
| Picogram per Cubic Millimeter (pg/mm3) | Carat per Liter (ct/L) |
|---|---|
| 0.1 pg/mm3 | 5e-7 ct/L |
| 1 pg/mm3 | 0.000005 ct/L |
| 10 pg/mm3 | 0.00005 ct/L |
| 100 pg/mm3 | 0.0005 ct/L |
| 1,000 pg/mm3 | 0.005 ct/L |
| 10,000 pg/mm3 | 0.05 ct/L |
Reverse conversion: Carat per Liter to Picogram per Cubic Millimeter
0.000005 ct/L × 200000 = 1 pg/mm3
0.000005 carats per liter = 1 picograms per cubic millimeter.
picograms per cubic millimeter = carats per liter × 200000
For a page dedicated to this direction, see Carat per Liter to Picogram per Cubic Millimeter.
Understanding the Picogram per Cubic Millimeter (pg/mm3)
Mass per volume density.
Understanding the Carat per Liter (ct/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per liter are in 1 picogram per cubic millimeter?
1 picogram per cubic millimeter equals 0.000005 carats per liter, using the exact defined conversion factor rather than an estimate.
How do I convert picogram per cubic millimeter to carat per liter?
Multiply the picogram per cubic millimeter value by 0.000005. The converter above does this instantly to whatever precision you set.
How do I convert carat per liter back to picogram per cubic millimeter?
Use the reverse factor: 1 carat per liter equals 200,000 picograms per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a picogram per cubic millimeter?
Picogram per Cubic Millimeter (pg/mm3) is a unit of density.
What is a carat per liter?
Carat per Liter (ct/L) is a unit of density.
Is the picogram per cubic millimeter to carat per liter conversion exact?
Yes. Both picogram per cubic millimeter and carat per liter are defined by fixed standards rather than physical artifacts, so the factor of 0.000005 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.