Mass per volume density.
Drams per Oil barrel to Carats per Cup Converter — dr/bbl to ct/cup
Convert Dram per Oil barrel (dr/bbl) to Carat per Cup (ct/cup) using the exact conversion factor (1 dram per oil barrel = 0.013183372 carat per cup). See the formula, worked examples, and conversion table.
Drams per Oil barrel to Carats 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 / 0.8453505675.
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 Carats per Cup
Dram per Oil barrel and Carat 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
carats per cup = drams per oil barrel × 0.0131833719889
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 carat per cup equals 0.845350567546 base units, so dividing one by the other gives the direct dram per oil barrel-to-carat per cup factor of 0.0131833719889.
Simple example
1 dr/bbl × 0.01318337199 = 0.013183372 ct/cup
1 dram per oil barrel = 0.013183372 carats per cup.
Real-world example
1,000 dr/bbl × 0.01318337199 = 13.18337199 ct/cup
1,000 drams per oil barrel = 13.18337199 carats per cup.
Conversion table
| Dram per Oil barrel (dr/bbl) | Carat per Cup (ct/cup) |
|---|---|
| 0.1 dr/bbl | 0.0013183372 ct/cup |
| 1 dr/bbl | 0.013183372 ct/cup |
| 10 dr/bbl | 0.1318337199 ct/cup |
| 100 dr/bbl | 1.318337199 ct/cup |
| 1,000 dr/bbl | 13.18337199 ct/cup |
| 10,000 dr/bbl | 131.8337199 ct/cup |
Reverse conversion: Carat per Cup to Dram per Oil barrel
0.013183372 ct/cup × 75.85312778 = 1.000000001 dr/bbl
0.013183372 carats per cup = 1.000000001 drams per oil barrel.
drams per oil barrel = carats per cup × 75.8531277764
For a page dedicated to this direction, see Carat per Cup to Dram per Oil barrel.
Understanding the Dram per Oil barrel (dr/bbl)
Mass per volume density.
Understanding the Carat per Cup (ct/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per cup are in 1 dram per oil barrel?
1 dram per oil barrel equals 0.013183372 carats per cup, using the exact defined conversion factor rather than an estimate.
How do I convert dram per oil barrel to carat per cup?
Multiply the dram per oil barrel value by 0.01318337199. The converter above does this instantly to whatever precision you set.
How do I convert carat per cup back to dram per oil barrel?
Use the reverse factor: 1 carat per cup equals 75.85312778 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 carat per cup?
Carat per Cup (ct/cup) is a unit of density.
Is the dram per oil barrel to carat per cup conversion exact?
Yes. Both dram per oil barrel and carat per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.01318337199 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.