Mass per volume density.
Stones per Imperial gallon to Grains per Oil barrel Converter — st/imp gal to gr/bbl
Convert Stone per Imperial gallon (st/imp gal) to Grain per Oil barrel (gr/bbl) using the exact conversion factor (1 stone per imperial gallon = 3,427,286.944 grain per oil barrel). See the formula, worked examples, and conversion table.
Stones per Imperial 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 1396.869217 / 0.000407572882.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Imperial gallon to Grains per Oil barrel
Stone per Imperial 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 = stones per imperial gallon × 3427286.94393
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per imperial gallon equals 1396.86921728 base units, and 1 grain per oil barrel equals 0.00040757288203 base units, so dividing one by the other gives the direct stone per imperial gallon-to-grain per oil barrel factor of 3427286.94393.
Simple example
1 st/imp gal × 3427286.944 = 3,427,286.944 gr/bbl
1 stone per imperial gallon = 3,427,286.944 grains per oil barrel.
Real-world example
1,000 st/imp gal × 3427286.944 = 3,427,286,944 gr/bbl
1,000 stones per imperial gallon = 3,427,286,944 grains per oil barrel.
Conversion table
| Stone per Imperial gallon (st/imp gal) | Grain per Oil barrel (gr/bbl) |
|---|---|
| 0.1 st/imp gal | 342,728.6944 gr/bbl |
| 1 st/imp gal | 3,427,286.944 gr/bbl |
| 10 st/imp gal | 34,272,869.44 gr/bbl |
| 100 st/imp gal | 342,728,694.4 gr/bbl |
| 1,000 st/imp gal | 3,427,286,944 gr/bbl |
| 10,000 st/imp gal | 34,272,869,440 gr/bbl |
Reverse conversion: Grain per Oil barrel to Stone per Imperial gallon
1 gr/bbl × 2.91776e-7 = 2.91776e-7 st/imp gal
1 grain per oil barrel = 2.91776e-7 stones per imperial gallon.
stones per imperial gallon = grains per oil barrel × 2.91776e-7
For a page dedicated to this direction, see Grain per Oil barrel to Stone per Imperial gallon.
Understanding the Stone per Imperial gallon (st/imp 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 stone per imperial gallon?
1 stone per imperial gallon equals 3,427,286.944 grains per oil barrel, using the exact defined conversion factor rather than an estimate.
How do I convert stone per imperial gallon to grain per oil barrel?
Multiply the stone per imperial gallon value by 3427286.944. The converter above does this instantly to whatever precision you set.
How do I convert grain per oil barrel back to stone per imperial gallon?
Use the reverse factor: 1 grain per oil barrel equals 2.91776e-7 stones per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per imperial gallon?
Stone per Imperial gallon (st/imp 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 stone per imperial gallon to grain per oil barrel conversion exact?
Yes. Both stone per imperial gallon and grain per oil barrel are defined by fixed standards rather than physical artifacts, so the factor of 3427286.944 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.