Mass per volume density.
Drams per Gallon to Grains per Imperial gallon Converter — dr/gal to gr/imp gal
Convert Dram per Gallon (dr/gal) to Grain per Imperial gallon (gr/imp gal) using the exact conversion factor (1 dram per gallon = 32.83847453 grain per imperial gallon). See the formula, worked examples, and conversion table.
Drams per Gallon to Grains per Imperial 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 0.4680719817 / 0.01425376752.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Gallon to Grains per Imperial gallon
Dram per Gallon and Grain per Imperial 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
grains per imperial gallon = drams per gallon × 32.8384745255
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per gallon equals 0.468071981707 base units, and 1 grain per imperial gallon equals 0.0142537675233 base units, so dividing one by the other gives the direct dram per gallon-to-grain per imperial gallon factor of 32.8384745255.
Simple example
1 dr/gal × 32.83847453 = 32.83847453 gr/imp gal
1 dram per gallon = 32.83847453 grains per imperial gallon.
Real-world example
1,000 dr/gal × 32.83847453 = 32,838.47453 gr/imp gal
1,000 drams per gallon = 32,838.47453 grains per imperial gallon.
Conversion table
| Dram per Gallon (dr/gal) | Grain per Imperial gallon (gr/imp gal) |
|---|---|
| 0.1 dr/gal | 3.283847453 gr/imp gal |
| 1 dr/gal | 32.83847453 gr/imp gal |
| 10 dr/gal | 328.3847453 gr/imp gal |
| 100 dr/gal | 3,283.847453 gr/imp gal |
| 1,000 dr/gal | 32,838.47453 gr/imp gal |
| 10,000 dr/gal | 328,384.7453 gr/imp gal |
Reverse conversion: Grain per Imperial gallon to Dram per Gallon
32.83847453 gr/imp gal × 0.03045208447 = 1 dr/gal
32.83847453 grains per imperial gallon = 1 drams per gallon.
drams per gallon = grains per imperial gallon × 0.0304520844664
For a page dedicated to this direction, see Grain per Imperial gallon to Dram per Gallon.
Understanding the Dram per Gallon (dr/gal)
Mass per volume density.
Understanding the Grain per Imperial gallon (gr/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per imperial gallon are in 1 dram per gallon?
1 dram per gallon equals 32.83847453 grains per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per gallon to grain per imperial gallon?
Multiply the dram per gallon value by 32.83847453. The converter above does this instantly to whatever precision you set.
How do I convert grain per imperial gallon back to dram per gallon?
Use the reverse factor: 1 grain per imperial gallon equals 0.0304520845 drams per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per gallon?
Dram per Gallon (dr/gal) is a unit of density.
What is a grain per imperial gallon?
Grain per Imperial gallon (gr/imp gal) is a unit of density.
Is the dram per gallon to grain per imperial gallon conversion exact?
Yes. Both dram per gallon and grain per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 32.83847453 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.