Mass per volume density.
Milligrams per Gallon to Decigrams per Oil barrel Converter — mg/gal to dg/bbl
Convert Milligram per Gallon (mg/gal) to Decigram per Oil barrel (dg/bbl) using the exact conversion factor (1 milligram per gallon = 0.42 decigram per oil barrel). See the formula, worked examples, and conversion table.
Milligrams per Gallon to Decigrams 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 0.0002641720524 / 0.000628981077.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Gallon to Decigrams per Oil barrel
Milligram per Gallon and Decigram 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
decigrams per oil barrel = milligrams per gallon × 0.42
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per gallon equals 0.000264172052358 base units, and 1 decigram per oil barrel equals 0.000628981077043 base units, so dividing one by the other gives the direct milligram per gallon-to-decigram per oil barrel factor of 0.42.
Simple example
1 mg/gal × 0.42 = 0.42 dg/bbl
1 milligram per gallon = 0.42 decigrams per oil barrel.
Real-world example
1,000 mg/gal × 0.42 = 420 dg/bbl
1,000 milligrams per gallon = 420 decigrams per oil barrel.
Conversion table
| Milligram per Gallon (mg/gal) | Decigram per Oil barrel (dg/bbl) |
|---|---|
| 0.1 mg/gal | 0.042 dg/bbl |
| 1 mg/gal | 0.42 dg/bbl |
| 10 mg/gal | 4.2 dg/bbl |
| 100 mg/gal | 42 dg/bbl |
| 1,000 mg/gal | 420 dg/bbl |
| 10,000 mg/gal | 4,200 dg/bbl |
Reverse conversion: Decigram per Oil barrel to Milligram per Gallon
0.42 dg/bbl × 2.380952381 = 1 mg/gal
0.42 decigrams per oil barrel = 1 milligram per gallon.
milligrams per gallon = decigrams per oil barrel × 2.38095238095
For a page dedicated to this direction, see Decigram per Oil barrel to Milligram per Gallon.
Understanding the Milligram per Gallon (mg/gal)
Mass per volume density.
Understanding the Decigram per Oil barrel (dg/bbl)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decigrams per oil barrel are in 1 milligram per gallon?
1 milligram per gallon equals 0.42 decigrams per oil barrel, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per gallon to decigram per oil barrel?
Multiply the milligram per gallon value by 0.42. The converter above does this instantly to whatever precision you set.
How do I convert decigram per oil barrel back to milligram per gallon?
Use the reverse factor: 1 decigram per oil barrel equals 2.380952381 milligrams per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per gallon?
Milligram per Gallon (mg/gal) is a unit of density.
What is a decigram per oil barrel?
Decigram per Oil barrel (dg/bbl) is a unit of density.
Is the milligram per gallon to decigram per oil barrel conversion exact?
Yes. Both milligram per gallon and decigram per oil barrel are defined by fixed standards rather than physical artifacts, so the factor of 0.42 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.