An oil barrel is 42 US gallons.
Oil barrels to Milliliters Converter — bbl to mL
Convert Oil barrel (bbl) to Milliliter (mL) using the exact conversion factor (1 oil barrel = 158,987.2949 milliliter). See the formula, worked examples, conversion table, history, and common uses.
Oil barrels to Milliliters converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
Milliliter is 0.001 liter units.
Result = input x 0.1589872949 / 1e-6.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Oil barrels to Milliliters
Oil barrel and Milliliter appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Specifically: An oil barrel is 42 US gallons, and milliliter is 0.001 liter units.
Formula
milliliters = oil barrels × 158987.294928
This factor comes from each unit's defined relationship to the category's base unit: 1 oil barrel equals 0.158987294928 base units, and 1 milliliter equals 0.000001 base units, so dividing one by the other gives the direct oil barrel-to-milliliter factor of 158987.294928.
Simple example
1 bbl × 158987.2949 = 158,987.2949 mL
1 oil barrel = 158,987.2949 milliliters.
Real-world example
10 bbl × 158987.2949 = 1,589,872.949 mL
10 oil barrels = 1,589,872.949 milliliters.
Conversion table
| Oil barrel (bbl) | Milliliter (mL) |
|---|---|
| 1 bbl | 158,987.2949 mL |
| 5 bbl | 794,936.4746 mL |
| 10 bbl | 1,589,872.949 mL |
| 25 bbl | 3,974,682.373 mL |
| 50 bbl | 7,949,364.746 mL |
| 100 bbl | 15,898,729.49 mL |
Reverse conversion: Milliliter to Oil barrel
1 mL × 0.00000628981077 = 0.0000062898 bbl
1 milliliter = 0.0000062898 oil barrels.
oil barrels = milliliters × 0.00000628981077043
For a page dedicated to this direction, see Milliliter to Oil barrel.
Understanding the Oil barrel (bbl)
An oil barrel is 42 US gallons.
Understanding the Milliliter
Milliliter (mL) measures volume. A milliliter is one-thousandth of a liter, equal to one cubic centimeter. It is classified as a SI derived (metric prefix) unit.
Where it's used: Standard small-volume unit worldwide
Uses of the Milliliter today
- Medicine dosing (worldwide, including in the US)
- Cooking and recipe measurement outside the US
- Beverage and small-container labeling
History of the Milliliter
The milliliter follows directly from the liter via the 'milli-' SI prefix. It is notable as one of the few metric units in routine US use, since medicine dosing (syringes, liquid medication) is specified in milliliters even in the US.
Historical origin. Milliliter was not the invention of a single named person; it developed through the process described above.
Milliliter — sources
- BIPM SI Brochure — SI prefixes — Defines 'milli-' as the prefix for 10⁻³.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milliliters are in 1 oil barrel?
1 oil barrel equals 158,987.2949 milliliters, using the exact defined conversion factor rather than an estimate.
How do I convert oil barrel to milliliter?
Multiply the oil barrel value by 158987.2949. The converter above does this instantly to whatever precision you set.
How do I convert milliliter back to oil barrel?
Use the reverse factor: 1 milliliter equals 0.0000062898 oil barrels. You can also use the swap control in the converter above to flip the direction instantly.
What is a oil barrel?
Oil barrel (bbl) is a unit of volume.
What is a milliliter?
Milliliter (mL) measures volume. A milliliter is one-thousandth of a liter, equal to one cubic centimeter. It is classified as a SI derived (metric prefix) unit.
Is the oil barrel to milliliter conversion exact?
Yes. Both oil barrel and milliliter are defined by fixed standards rather than physical artifacts, so the factor of 158987.2949 used above is exact to as many digits as you choose to display.