Mass per volume density.
Drams per Gallon to Grains per Gallon Converter — dr/gal to gr/gal
Convert Dram per Gallon (dr/gal) to Grain per Gallon (gr/gal) using the exact conversion factor (1 dram per gallon = 27.34375 grain per gallon). See the formula, worked examples, and conversion table.
Drams per Gallon to Grains 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 0.4680719817 / 0.01711806105.
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 Gallon
Dram per Gallon and Grain 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
grains per gallon = drams per gallon × 27.34375
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 gallon equals 0.0171180610453 base units, so dividing one by the other gives the direct dram per gallon-to-grain per gallon factor of 27.34375.
Simple example
1 dr/gal × 27.34375 = 27.34375 gr/gal
1 dram per gallon = 27.34375 grains per gallon.
Real-world example
1,000 dr/gal × 27.34375 = 27,343.75 gr/gal
1,000 drams per gallon = 27,343.75 grains per gallon.
Conversion table
| Dram per Gallon (dr/gal) | Grain per Gallon (gr/gal) |
|---|---|
| 0.1 dr/gal | 2.734375 gr/gal |
| 1 dr/gal | 27.34375 gr/gal |
| 10 dr/gal | 273.4375 gr/gal |
| 100 dr/gal | 2,734.375 gr/gal |
| 1,000 dr/gal | 27,343.75 gr/gal |
| 10,000 dr/gal | 273,437.5 gr/gal |
Reverse conversion: Grain per Gallon to Dram per Gallon
27.34375 gr/gal × 0.03657142857 = 1 dr/gal
27.34375 grains per gallon = 1 drams per gallon.
drams per gallon = grains per gallon × 0.0365714285714
For a page dedicated to this direction, see Grain per Gallon to Dram per Gallon.
Understanding the Dram per Gallon (dr/gal)
Mass per volume density.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per gallon are in 1 dram per gallon?
1 dram per gallon equals 27.34375 grains per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per gallon to grain per gallon?
Multiply the dram per gallon value by 27.34375. The converter above does this instantly to whatever precision you set.
How do I convert grain per gallon back to dram per gallon?
Use the reverse factor: 1 grain per gallon equals 0.0365714286 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 gallon?
Grain per Gallon (gr/gal) is a unit of density.
Is the dram per gallon to grain per gallon conversion exact?
Yes. Both dram per gallon and grain per gallon are defined by fixed standards rather than physical artifacts, so the factor of 27.34375 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.