Mass per volume density.
Grains per Oil barrel to Drams per Quart Converter — gr/bbl to dr/qt
Convert Grain per Oil barrel (gr/bbl) to Dram per Quart (dr/qt) using the exact conversion factor (1 grain per oil barrel = 0.0002176871 dram per quart). See the formula, worked examples, and conversion table.
Grains per Oil barrel to Drams per Quart 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 / 1.872287927.
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 Quart
Grain per Oil barrel and Dram per Quart 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 quart = grains per oil barrel × 0.00021768707483
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 quart equals 1.87228792683 base units, so dividing one by the other gives the direct grain per oil barrel-to-dram per quart factor of 0.00021768707483.
Simple example
1 gr/bbl × 0.0002176870748 = 0.0002176871 dr/qt
1 grain per oil barrel = 0.0002176871 drams per quart.
Real-world example
1,000 gr/bbl × 0.0002176870748 = 0.2176870748 dr/qt
1,000 grains per oil barrel = 0.2176870748 drams per quart.
Conversion table
| Grain per Oil barrel (gr/bbl) | Dram per Quart (dr/qt) |
|---|---|
| 0.1 gr/bbl | 0.0000217687 dr/qt |
| 1 gr/bbl | 0.0002176871 dr/qt |
| 10 gr/bbl | 0.0021768707 dr/qt |
| 100 gr/bbl | 0.0217687075 dr/qt |
| 1,000 gr/bbl | 0.2176870748 dr/qt |
| 10,000 gr/bbl | 2.176870748 dr/qt |
Reverse conversion: Dram per Quart to Grain per Oil barrel
0.0002176871 dr/qt × 4593.75 = 1.000000116 gr/bbl
0.0002176871 drams per quart = 1.000000116 grains per oil barrel.
grains per oil barrel = drams per quart × 4593.75
For a page dedicated to this direction, see Dram per Quart to Grain per Oil barrel.
Understanding the Grain per Oil barrel (gr/bbl)
Mass per volume density.
Understanding the Dram per Quart (dr/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per quart are in 1 grain per oil barrel?
1 grain per oil barrel equals 0.0002176871 drams per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per oil barrel to dram per quart?
Multiply the grain per oil barrel value by 0.0002176870748. The converter above does this instantly to whatever precision you set.
How do I convert dram per quart back to grain per oil barrel?
Use the reverse factor: 1 dram per quart equals 4,593.75 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 quart?
Dram per Quart (dr/qt) is a unit of density.
Is the grain per oil barrel to dram per quart conversion exact?
Yes. Both grain per oil barrel and dram per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.0002176870748 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.