Mass per volume density.
Hectograms per Pint to Drams per Gallon Converter — hg/pt to dr/gal
Convert Hectogram per Pint (hg/pt) to Dram per Gallon (dr/gal) using the exact conversion factor (1 hectogram per pint = 451.506713 dram per gallon). See the formula, worked examples, and conversion table.
Hectograms per Pint to Drams 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 211.3376419 / 0.4680719817.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Hectograms per Pint to Drams per Gallon
Hectogram per Pint and Dram 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
drams per gallon = hectograms per pint × 451.506712955
This factor comes from each unit's defined relationship to the category's base unit: 1 hectogram per pint equals 211.337641887 base units, and 1 dram per gallon equals 0.468071981707 base units, so dividing one by the other gives the direct hectogram per pint-to-dram per gallon factor of 451.506712955.
Simple example
1 hg/pt × 451.506713 = 451.506713 dr/gal
1 hectogram per pint = 451.506713 drams per gallon.
Real-world example
1,000 hg/pt × 451.506713 = 451,506.713 dr/gal
1,000 hectograms per pint = 451,506.713 drams per gallon.
Conversion table
| Hectogram per Pint (hg/pt) | Dram per Gallon (dr/gal) |
|---|---|
| 0.1 hg/pt | 45.1506713 dr/gal |
| 1 hg/pt | 451.506713 dr/gal |
| 10 hg/pt | 4,515.06713 dr/gal |
| 100 hg/pt | 45,150.6713 dr/gal |
| 1,000 hg/pt | 451,506.713 dr/gal |
| 10,000 hg/pt | 4,515,067.13 dr/gal |
Reverse conversion: Dram per Gallon to Hectogram per Pint
451.506713 dr/gal × 0.002214806494 = 1 hg/pt
451.506713 drams per gallon = 1 hectograms per pint.
hectograms per pint = drams per gallon × 0.00221480649414
For a page dedicated to this direction, see Dram per Gallon to Hectogram per Pint.
Understanding the Hectogram per Pint (hg/pt)
Mass per volume density.
Understanding the Dram per Gallon (dr/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per gallon are in 1 hectogram per pint?
1 hectogram per pint equals 451.506713 drams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert hectogram per pint to dram per gallon?
Multiply the hectogram per pint value by 451.506713. The converter above does this instantly to whatever precision you set.
How do I convert dram per gallon back to hectogram per pint?
Use the reverse factor: 1 dram per gallon equals 0.0022148065 hectograms per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectogram per pint?
Hectogram per Pint (hg/pt) is a unit of density.
What is a dram per gallon?
Dram per Gallon (dr/gal) is a unit of density.
Is the hectogram per pint to dram per gallon conversion exact?
Yes. Both hectogram per pint and dram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 451.506713 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.