Mass per volume density.
Grains per Oil barrel to Drams per Gallon Converter — gr/bbl to dr/gal
Convert Grain per Oil barrel (gr/bbl) to Dram per Gallon (dr/gal) using the exact conversion factor (1 grain per oil barrel = 0.0008707483 dram per gallon). See the formula, worked examples, and conversion table.
Grains per Oil barrel 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 0.000407572882 / 0.4680719817.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Oil barrel to Drams per Gallon
Grain per Oil barrel 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 = grains per oil barrel × 0.00087074829932
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per oil barrel equals 0.00040757288203 base units, and 1 dram per gallon equals 0.468071981707 base units, so dividing one by the other gives the direct grain per oil barrel-to-dram per gallon factor of 0.00087074829932.
Simple example
1 gr/bbl × 0.0008707482993 = 0.0008707483 dr/gal
1 grain per oil barrel = 0.0008707483 drams per gallon.
Real-world example
1,000 gr/bbl × 0.0008707482993 = 0.8707482993 dr/gal
1,000 grains per oil barrel = 0.8707482993 drams per gallon.
Conversion table
| Grain per Oil barrel (gr/bbl) | Dram per Gallon (dr/gal) |
|---|---|
| 0.1 gr/bbl | 0.0000870748 dr/gal |
| 1 gr/bbl | 0.0008707483 dr/gal |
| 10 gr/bbl | 0.008707483 dr/gal |
| 100 gr/bbl | 0.0870748299 dr/gal |
| 1,000 gr/bbl | 0.8707482993 dr/gal |
| 10,000 gr/bbl | 8.707482993 dr/gal |
Reverse conversion: Dram per Gallon to Grain per Oil barrel
0.0008707483 dr/gal × 1148.4375 = 1.000000001 gr/bbl
0.0008707483 drams per gallon = 1.000000001 grains per oil barrel.
grains per oil barrel = drams per gallon × 1148.4375
For a page dedicated to this direction, see Dram per Gallon to Grain per Oil barrel.
Understanding the Grain per Oil barrel (gr/bbl)
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 grain per oil barrel?
1 grain per oil barrel equals 0.0008707483 drams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per oil barrel to dram per gallon?
Multiply the grain per oil barrel value by 0.0008707482993. The converter above does this instantly to whatever precision you set.
How do I convert dram per gallon back to grain per oil barrel?
Use the reverse factor: 1 dram per gallon equals 1,148.4375 grains per oil barrel. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per oil barrel?
Grain per Oil barrel (gr/bbl) is a unit of density.
What is a dram per gallon?
Dram per Gallon (dr/gal) is a unit of density.
Is the grain per oil barrel to dram per gallon conversion exact?
Yes. Both grain per oil barrel and dram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.0008707482993 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.