Mass per volume density.
Ounces per Oil barrel to Drams per Cup Converter — oz/bbl to dr/cup
Convert Ounce per Oil barrel (oz/bbl) to Dram per Cup (dr/cup) using the exact conversion factor (1 ounce per oil barrel = 0.0238095238 dram per cup). See the formula, worked examples, and conversion table.
Ounces per Oil barrel to Drams per Cup 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 0.1783131359 / 7.489151707.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Oil barrel to Drams per Cup
Ounce per Oil barrel and Dram per Cup 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 cup = ounces per oil barrel × 0.0238095238095
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per oil barrel equals 0.178313135888 base units, and 1 dram per cup equals 7.48915170731 base units, so dividing one by the other gives the direct ounce per oil barrel-to-dram per cup factor of 0.0238095238095.
Simple example
1 oz/bbl × 0.02380952381 = 0.0238095238 dr/cup
1 ounce per oil barrel = 0.0238095238 drams per cup.
Real-world example
1,000 oz/bbl × 0.02380952381 = 23.80952381 dr/cup
1,000 ounces per oil barrel = 23.80952381 drams per cup.
Conversion table
| Ounce per Oil barrel (oz/bbl) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 oz/bbl | 0.0023809524 dr/cup |
| 1 oz/bbl | 0.0238095238 dr/cup |
| 10 oz/bbl | 0.2380952381 dr/cup |
| 100 oz/bbl | 2.380952381 dr/cup |
| 1,000 oz/bbl | 23.80952381 dr/cup |
| 10,000 oz/bbl | 238.0952381 dr/cup |
Reverse conversion: Dram per Cup to Ounce per Oil barrel
0.0238095238 dr/cup × 42 = 0.9999999996 oz/bbl
0.0238095238 drams per cup = 0.9999999996 ounces per oil barrel.
ounces per oil barrel = drams per cup × 42
For a page dedicated to this direction, see Dram per Cup to Ounce per Oil barrel.
Understanding the Ounce per Oil barrel (oz/bbl)
Mass per volume density.
Understanding the Dram per Cup (dr/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cup are in 1 ounce per oil barrel?
1 ounce per oil barrel equals 0.0238095238 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per oil barrel to dram per cup?
Multiply the ounce per oil barrel value by 0.02380952381. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to ounce per oil barrel?
Use the reverse factor: 1 dram per cup equals 42 ounces per oil barrel. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per oil barrel?
Ounce per Oil barrel (oz/bbl) is a unit of density.
What is a dram per cup?
Dram per Cup (dr/cup) is a unit of density.
Is the ounce per oil barrel to dram per cup conversion exact?
Yes. Both ounce per oil barrel and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.02380952381 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.