Mass per volume density.
Drams per Oil barrel to Stones per Cup Converter — dr/bbl to st/cup
Convert Dram per Oil barrel (dr/bbl) to Stone per Cup (st/cup) using the exact conversion factor (1 dram per oil barrel = 4.152051e-7 stone per cup). See the formula, worked examples, and conversion table.
Drams per Oil barrel to Stones 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 0.01114457099 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Oil barrel to Stones per Cup
Dram per Oil barrel and Stone 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
stones per cup = drams per oil barrel × 4.152051e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per oil barrel equals 0.011144570993 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct dram per oil barrel-to-stone per cup factor of 4.152051e-7.
Simple example
1 dr/bbl × 4.152051e-7 = 4.152051e-7 st/cup
1 dram per oil barrel = 4.152051e-7 stones per cup.
Real-world example
1,000 dr/bbl × 4.152051e-7 = 0.0004152051 st/cup
1,000 drams per oil barrel = 0.0004152051 stones per cup.
Conversion table
| Dram per Oil barrel (dr/bbl) | Stone per Cup (st/cup) |
|---|---|
| 0.1 dr/bbl | 4.152051e-8 st/cup |
| 1 dr/bbl | 4.152051e-7 st/cup |
| 10 dr/bbl | 0.0000041521 st/cup |
| 100 dr/bbl | 0.0000415205 st/cup |
| 1,000 dr/bbl | 0.0004152051 st/cup |
| 10,000 dr/bbl | 0.0041520514 st/cup |
Reverse conversion: Stone per Cup to Dram per Oil barrel
4.152051e-7 st/cup × 2408448 = 0.9999998927 dr/bbl
4.152051e-7 stones per cup = 0.9999998927 drams per oil barrel.
drams per oil barrel = stones per cup × 2408448
For a page dedicated to this direction, see Stone per Cup to Dram per Oil barrel.
Understanding the Dram per Oil barrel (dr/bbl)
Mass per volume density.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cup are in 1 dram per oil barrel?
1 dram per oil barrel equals 4.152051e-7 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert dram per oil barrel to stone per cup?
Multiply the dram per oil barrel value by 4.152051e-7. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to dram per oil barrel?
Use the reverse factor: 1 stone per cup equals 2,408,448 drams per oil barrel. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per oil barrel?
Dram per Oil barrel (dr/bbl) is a unit of density.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the dram per oil barrel to stone per cup conversion exact?
Yes. Both dram per oil barrel and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 4.152051e-7 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.