Mass per volume density.
Imperial hundredweights per Gallon to Drams per Gallon Converter — long cwt/gal to dr/gal
Convert Imperial hundredweight per Gallon (long cwt/gal) to Dram per Gallon (dr/gal) using the exact conversion factor (1 imperial hundredweight per gallon = 28,672 dram per gallon). See the formula, worked examples, and conversion table.
Imperial hundredweights per Gallon 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 13420.55986 / 0.4680719817.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial hundredweights per Gallon to Drams per Gallon
Imperial hundredweight per Gallon 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 = imperial hundredweights per gallon × 28672
This factor comes from each unit's defined relationship to the category's base unit: 1 imperial hundredweight per gallon equals 13420.5598595 base units, and 1 dram per gallon equals 0.468071981707 base units, so dividing one by the other gives the direct imperial hundredweight per gallon-to-dram per gallon factor of 28672.
Simple example
1 long cwt/gal × 28672 = 28,672 dr/gal
1 imperial hundredweight per gallon = 28,672 drams per gallon.
Real-world example
1,000 long cwt/gal × 28672 = 28,672,000 dr/gal
1,000 imperial hundredweights per gallon = 28,672,000 drams per gallon.
Conversion table
| Imperial hundredweight per Gallon (long cwt/gal) | Dram per Gallon (dr/gal) |
|---|---|
| 0.1 long cwt/gal | 2,867.2 dr/gal |
| 1 long cwt/gal | 28,672 dr/gal |
| 10 long cwt/gal | 286,720 dr/gal |
| 100 long cwt/gal | 2,867,200 dr/gal |
| 1,000 long cwt/gal | 28,672,000 dr/gal |
| 10,000 long cwt/gal | 286,720,000 dr/gal |
Reverse conversion: Dram per Gallon to Imperial hundredweight per Gallon
1 dr/gal × 0.00003487723214 = 0.0000348772 long cwt/gal
1 dram per gallon = 0.0000348772 imperial hundredweights per gallon.
imperial hundredweights per gallon = drams per gallon × 0.0000348772321429
For a page dedicated to this direction, see Dram per Gallon to Imperial hundredweight per Gallon.
Understanding the Imperial hundredweight per Gallon (long cwt/gal)
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 imperial hundredweight per gallon?
1 imperial hundredweight per gallon equals 28,672 drams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert imperial hundredweight per gallon to dram per gallon?
Multiply the imperial hundredweight per gallon value by 28672. The converter above does this instantly to whatever precision you set.
How do I convert dram per gallon back to imperial hundredweight per gallon?
Use the reverse factor: 1 dram per gallon equals 0.0000348772 imperial hundredweights per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a imperial hundredweight per gallon?
Imperial hundredweight per Gallon (long cwt/gal) is a unit of density.
What is a dram per gallon?
Dram per Gallon (dr/gal) is a unit of density.
Is the imperial hundredweight per gallon to dram per gallon conversion exact?
Yes. Both imperial hundredweight per gallon and dram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 28672 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.