Mass per volume density.
Carats per Gallon to Grains per Oil barrel Converter — ct/gal to gr/bbl
Convert Carat per Gallon (ct/gal) to Grain per Oil barrel (gr/bbl) using the exact conversion factor (1 carat per gallon = 129.6318102 grain per oil barrel). See the formula, worked examples, and conversion table.
Carats per Gallon to Grains per Oil barrel 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 0.05283441047 / 0.000407572882.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Gallon to Grains per Oil barrel
Carat per Gallon and Grain per Oil barrel 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 oil barrel = carats per gallon × 129.631810165
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per gallon equals 0.0528344104716 base units, and 1 grain per oil barrel equals 0.00040757288203 base units, so dividing one by the other gives the direct carat per gallon-to-grain per oil barrel factor of 129.631810165.
Simple example
1 ct/gal × 129.6318102 = 129.6318102 gr/bbl
1 carat per gallon = 129.6318102 grains per oil barrel.
Real-world example
1,000 ct/gal × 129.6318102 = 129,631.8102 gr/bbl
1,000 carats per gallon = 129,631.8102 grains per oil barrel.
Conversion table
| Carat per Gallon (ct/gal) | Grain per Oil barrel (gr/bbl) |
|---|---|
| 0.1 ct/gal | 12.96318102 gr/bbl |
| 1 ct/gal | 129.6318102 gr/bbl |
| 10 ct/gal | 1,296.318102 gr/bbl |
| 100 ct/gal | 12,963.18102 gr/bbl |
| 1,000 ct/gal | 129,631.8102 gr/bbl |
| 10,000 ct/gal | 1,296,318.102 gr/bbl |
Reverse conversion: Grain per Oil barrel to Carat per Gallon
129.6318102 gr/bbl × 0.007714155952 = 1 ct/gal
129.6318102 grains per oil barrel = 1 carats per gallon.
carats per gallon = grains per oil barrel × 0.00771415595238
For a page dedicated to this direction, see Grain per Oil barrel to Carat per Gallon.
Understanding the Carat per Gallon (ct/gal)
Mass per volume density.
Understanding the Grain per Oil barrel (gr/bbl)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per oil barrel are in 1 carat per gallon?
1 carat per gallon equals 129.6318102 grains per oil barrel, using the exact defined conversion factor rather than an estimate.
How do I convert carat per gallon to grain per oil barrel?
Multiply the carat per gallon value by 129.6318102. The converter above does this instantly to whatever precision you set.
How do I convert grain per oil barrel back to carat per gallon?
Use the reverse factor: 1 grain per oil barrel equals 0.007714156 carats per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per gallon?
Carat per Gallon (ct/gal) is a unit of density.
What is a grain per oil barrel?
Grain per Oil barrel (gr/bbl) is a unit of density.
Is the carat per gallon to grain per oil barrel conversion exact?
Yes. Both carat per gallon and grain per oil barrel are defined by fixed standards rather than physical artifacts, so the factor of 129.6318102 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.