Mass per volume density.
Grains per Gallon to Centigrams per Oil barrel Converter — gr/gal to cg/bbl
Convert Grain per Gallon (gr/gal) to Centigram per Oil barrel (cg/bbl) using the exact conversion factor (1 grain per gallon = 272.155422 centigram per oil barrel). See the formula, worked examples, and conversion table.
Grains per Gallon to Centigrams 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 0.01711806105 / 6.28981077e-5.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Gallon to Centigrams per Oil barrel
Grain per Gallon and Centigram 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
centigrams per oil barrel = grains per gallon × 272.155422
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per gallon equals 0.0171180610453 base units, and 1 centigram per oil barrel equals 0.0000628981077043 base units, so dividing one by the other gives the direct grain per gallon-to-centigram per oil barrel factor of 272.155422.
Simple example
1 gr/gal × 272.155422 = 272.155422 cg/bbl
1 grain per gallon = 272.155422 centigrams per oil barrel.
Real-world example
1,000 gr/gal × 272.155422 = 272,155.422 cg/bbl
1,000 grains per gallon = 272,155.422 centigrams per oil barrel.
Conversion table
| Grain per Gallon (gr/gal) | Centigram per Oil barrel (cg/bbl) |
|---|---|
| 0.1 gr/gal | 27.2155422 cg/bbl |
| 1 gr/gal | 272.155422 cg/bbl |
| 10 gr/gal | 2,721.55422 cg/bbl |
| 100 gr/gal | 27,215.5422 cg/bbl |
| 1,000 gr/gal | 272,155.422 cg/bbl |
| 10,000 gr/gal | 2,721,554.22 cg/bbl |
Reverse conversion: Centigram per Oil barrel to Grain per Gallon
272.155422 cg/bbl × 0.003674371036 = 1 gr/gal
272.155422 centigrams per oil barrel = 1 grains per gallon.
grains per gallon = centigrams per oil barrel × 0.00367437103641
For a page dedicated to this direction, see Centigram per Oil barrel to Grain per Gallon.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Understanding the Centigram per Oil barrel (cg/bbl)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many centigrams per oil barrel are in 1 grain per gallon?
1 grain per gallon equals 272.155422 centigrams per oil barrel, using the exact defined conversion factor rather than an estimate.
How do I convert grain per gallon to centigram per oil barrel?
Multiply the grain per gallon value by 272.155422. The converter above does this instantly to whatever precision you set.
How do I convert centigram per oil barrel back to grain per gallon?
Use the reverse factor: 1 centigram per oil barrel equals 0.003674371 grains per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
What is a centigram per oil barrel?
Centigram per Oil barrel (cg/bbl) is a unit of density.
Is the grain per gallon to centigram per oil barrel conversion exact?
Yes. Both grain per gallon and centigram per oil barrel are defined by fixed standards rather than physical artifacts, so the factor of 272.155422 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.