Mass per volume density.
Grains per Gallon to Drams per Imperial gallon Converter — gr/gal to dr/imp gal
Convert Grain per Gallon (gr/gal) to Dram per Imperial gallon (dr/imp gal) using the exact conversion factor (1 grain per gallon = 0.0439204544 dram per imperial gallon). See the formula, worked examples, and conversion table.
Grains per Gallon to Drams per Imperial gallon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 0.01711806105 / 0.3897514557.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Gallon to Drams per Imperial gallon
Grain per Gallon and Dram 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
drams per imperial gallon = grains per gallon × 0.0439204544185
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per gallon equals 0.0171180610453 base units, and 1 dram per imperial gallon equals 0.389751455715 base units, so dividing one by the other gives the direct grain per gallon-to-dram per imperial gallon factor of 0.0439204544185.
Simple example
1 gr/gal × 0.04392045442 = 0.0439204544 dr/imp gal
1 grain per gallon = 0.0439204544 drams per imperial gallon.
Real-world example
1,000 gr/gal × 0.04392045442 = 43.92045442 dr/imp gal
1,000 grains per gallon = 43.92045442 drams per imperial gallon.
Conversion table
| Grain per Gallon (gr/gal) | Dram per Imperial gallon (dr/imp gal) |
|---|---|
| 0.1 gr/gal | 0.0043920454 dr/imp gal |
| 1 gr/gal | 0.0439204544 dr/imp gal |
| 10 gr/gal | 0.4392045442 dr/imp gal |
| 100 gr/gal | 4.392045442 dr/imp gal |
| 1,000 gr/gal | 43.92045442 dr/imp gal |
| 10,000 gr/gal | 439.2045442 dr/imp gal |
Reverse conversion: Dram per Imperial gallon to Grain per Gallon
0.0439204544 dr/imp gal × 22.76843474 = 0.9999999996 gr/gal
0.0439204544 drams per imperial gallon = 0.9999999996 grains per gallon.
grains per gallon = drams per imperial gallon × 22.7684347359
For a page dedicated to this direction, see Dram per Imperial gallon to Grain per Gallon.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Understanding the Dram per Imperial gallon (dr/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per imperial gallon are in 1 grain per gallon?
1 grain per gallon equals 0.0439204544 drams per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per gallon to dram per imperial gallon?
Multiply the grain per gallon value by 0.04392045442. The converter above does this instantly to whatever precision you set.
How do I convert dram per imperial gallon back to grain per gallon?
Use the reverse factor: 1 dram per imperial gallon equals 22.76843474 grains per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
What is a dram per imperial gallon?
Dram per Imperial gallon (dr/imp gal) is a unit of density.
Is the grain per gallon to dram per imperial gallon conversion exact?
Yes. Both grain per gallon and dram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.04392045442 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.