Mass per volume density.
Carats per Gallon to Hectograms per Gallon Converter — ct/gal to hg/gal
Convert Carat per Gallon (ct/gal) to Hectogram per Gallon (hg/gal) using the exact conversion factor (1 carat per gallon = 0.002 hectogram per gallon). See the formula, worked examples, and conversion table.
Carats per Gallon to Hectograms per Gallon 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 0.05283441047 / 26.41720524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Gallon to Hectograms per Gallon
Carat per Gallon and Hectogram per Gallon 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
hectograms per gallon = carats per gallon × 0.002
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per gallon equals 0.0528344104716 base units, and 1 hectogram per gallon equals 26.4172052358 base units, so dividing one by the other gives the direct carat per gallon-to-hectogram per gallon factor of 0.002.
Simple example
1 ct/gal × 0.002 = 0.002 hg/gal
1 carat per gallon = 0.002 hectograms per gallon.
Real-world example
1,000 ct/gal × 0.002 = 2 hg/gal
1,000 carats per gallon = 2 hectograms per gallon.
Conversion table
| Carat per Gallon (ct/gal) | Hectogram per Gallon (hg/gal) |
|---|---|
| 0.1 ct/gal | 0.0002 hg/gal |
| 1 ct/gal | 0.002 hg/gal |
| 10 ct/gal | 0.02 hg/gal |
| 100 ct/gal | 0.2 hg/gal |
| 1,000 ct/gal | 2 hg/gal |
| 10,000 ct/gal | 20 hg/gal |
Reverse conversion: Hectogram per Gallon to Carat per Gallon
0.002 hg/gal × 500 = 1 ct/gal
0.002 hectograms per gallon = 1 carat per gallon.
carats per gallon = hectograms per gallon × 500
For a page dedicated to this direction, see Hectogram per Gallon to Carat per Gallon.
Understanding the Carat per Gallon (ct/gal)
Mass per volume density.
Understanding the Hectogram per Gallon (hg/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectograms per gallon are in 1 carat per gallon?
1 carat per gallon equals 0.002 hectograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert carat per gallon to hectogram per gallon?
Multiply the carat per gallon value by 0.002. The converter above does this instantly to whatever precision you set.
How do I convert hectogram per gallon back to carat per gallon?
Use the reverse factor: 1 hectogram per gallon equals 500 carats per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per gallon?
Carat per Gallon (ct/gal) is a unit of density.
What is a hectogram per gallon?
Hectogram per Gallon (hg/gal) is a unit of density.
Is the carat per gallon to hectogram per gallon conversion exact?
Yes. Both carat per gallon and hectogram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.002 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.