Mass per volume density.
Hectograms per Milliliter to Carats per Milliliter Converter — hg/mL to ct/mL
Convert Hectogram per Milliliter (hg/mL) to Carat per Milliliter (ct/mL) using the exact conversion factor (1 hectogram per milliliter = 500 carat per milliliter). See the formula, worked examples, and conversion table.
Hectograms per Milliliter to Carats per Milliliter 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 100000 / 200.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Hectograms per Milliliter to Carats per Milliliter
Hectogram per Milliliter and Carat per Milliliter 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 milliliter = hectograms per milliliter × 500
This factor comes from each unit's defined relationship to the category's base unit: 1 hectogram per milliliter equals 100000 base units, and 1 carat per milliliter equals 200 base units, so dividing one by the other gives the direct hectogram per milliliter-to-carat per milliliter factor of 500.
Simple example
1 hg/mL × 500 = 500 ct/mL
1 hectogram per milliliter = 500 carats per milliliter.
Real-world example
1,000 hg/mL × 500 = 500,000 ct/mL
1,000 hectograms per milliliter = 500,000 carats per milliliter.
Conversion table
| Hectogram per Milliliter (hg/mL) | Carat per Milliliter (ct/mL) |
|---|---|
| 0.1 hg/mL | 50 ct/mL |
| 1 hg/mL | 500 ct/mL |
| 10 hg/mL | 5,000 ct/mL |
| 100 hg/mL | 50,000 ct/mL |
| 1,000 hg/mL | 500,000 ct/mL |
| 10,000 hg/mL | 5,000,000 ct/mL |
Reverse conversion: Carat per Milliliter to Hectogram per Milliliter
500 ct/mL × 0.002 = 1 hg/mL
500 carats per milliliter = 1 hectogram per milliliter.
hectograms per milliliter = carats per milliliter × 0.002
For a page dedicated to this direction, see Carat per Milliliter to Hectogram per Milliliter.
Understanding the Hectogram per Milliliter (hg/mL)
Mass per volume density.
Understanding the Carat per Milliliter (ct/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per milliliter are in 1 hectogram per milliliter?
1 hectogram per milliliter equals 500 carats per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert hectogram per milliliter to carat per milliliter?
Multiply the hectogram per milliliter value by 500. The converter above does this instantly to whatever precision you set.
How do I convert carat per milliliter back to hectogram per milliliter?
Use the reverse factor: 1 carat per milliliter equals 0.002 hectograms per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectogram per milliliter?
Hectogram per Milliliter (hg/mL) is a unit of density.
What is a carat per milliliter?
Carat per Milliliter (ct/mL) is a unit of density.
Is the hectogram per milliliter to carat per milliliter conversion exact?
Yes. Both hectogram per milliliter and carat per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 500 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.