Mass per volume density.
Carats per Oil barrel to Grains per Quart Converter — ct/bbl to gr/qt
Convert Carat per Oil barrel (ct/bbl) to Grain per Quart (gr/qt) using the exact conversion factor (1 carat per oil barrel = 0.0183718552 grain per quart). See the formula, worked examples, and conversion table.
Carats per Oil barrel to Grains 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 0.001257962154 / 0.06847224418.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Oil barrel to Grains per Quart
Carat per Oil barrel and Grain 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
grains per quart = carats per oil barrel × 0.0183718551821
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per oil barrel equals 0.00125796215409 base units, and 1 grain per quart equals 0.0684722441811 base units, so dividing one by the other gives the direct carat per oil barrel-to-grain per quart factor of 0.0183718551821.
Simple example
1 ct/bbl × 0.01837185518 = 0.0183718552 gr/qt
1 carat per oil barrel = 0.0183718552 grains per quart.
Real-world example
1,000 ct/bbl × 0.01837185518 = 18.37185518 gr/qt
1,000 carats per oil barrel = 18.37185518 grains per quart.
Conversion table
| Carat per Oil barrel (ct/bbl) | Grain per Quart (gr/qt) |
|---|---|
| 0.1 ct/bbl | 0.0018371855 gr/qt |
| 1 ct/bbl | 0.0183718552 gr/qt |
| 10 ct/bbl | 0.1837185518 gr/qt |
| 100 ct/bbl | 1.837185518 gr/qt |
| 1,000 ct/bbl | 18.37185518 gr/qt |
| 10,000 ct/bbl | 183.7185518 gr/qt |
Reverse conversion: Grain per Quart to Carat per Oil barrel
0.0183718552 gr/qt × 54.4310844 = 1.000000001 ct/bbl
0.0183718552 grains per quart = 1.000000001 carats per oil barrel.
carats per oil barrel = grains per quart × 54.4310844
For a page dedicated to this direction, see Grain per Quart to Carat per Oil barrel.
Understanding the Carat per Oil barrel (ct/bbl)
Mass per volume density.
Understanding the Grain per Quart (gr/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per quart are in 1 carat per oil barrel?
1 carat per oil barrel equals 0.0183718552 grains per quart, using the exact defined conversion factor rather than an estimate.
How do I convert carat per oil barrel to grain per quart?
Multiply the carat per oil barrel value by 0.01837185518. The converter above does this instantly to whatever precision you set.
How do I convert grain per quart back to carat per oil barrel?
Use the reverse factor: 1 grain per quart equals 54.4310844 carats per oil barrel. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per oil barrel?
Carat per Oil barrel (ct/bbl) is a unit of density.
What is a grain per quart?
Grain per Quart (gr/qt) is a unit of density.
Is the carat per oil barrel to grain per quart conversion exact?
Yes. Both carat per oil barrel and grain per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.01837185518 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.