Attoliter is 1e-18 liter units.
Attoliters to Oil barrels Converter — aL to bbl
Convert Attoliter (aL) to Oil barrel (bbl) using the exact conversion factor (1 attoliter = 6.289811e-21 oil barrel). See the formula, worked examples, and conversion table.
Attoliters to Oil barrels 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.
An oil barrel is 42 US gallons.
Result = input x 1e-21 / 0.1589872949.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Attoliters to Oil barrels
Attoliter and Oil barrel 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: Attoliter is 1e-18 liter units, and an oil barrel is 42 US gallons.
Formula
oil barrels = attoliters × 6.289811e-21
This factor comes from each unit's defined relationship to the category's base unit: 1 attoliter equals 1e-21 base units, and 1 oil barrel equals 0.158987294928 base units, so dividing one by the other gives the direct attoliter-to-oil barrel factor of 6.289811e-21.
Simple example
1 aL × 6.289811e-21 = 6.289811e-21 bbl
1 attoliter = 6.289811e-21 oil barrels.
Real-world example
10 aL × 6.289811e-21 = 6.289811e-20 bbl
10 attoliters = 6.289811e-20 oil barrels.
Conversion table
| Attoliter (aL) | Oil barrel (bbl) |
|---|---|
| 1 aL | 6.289811e-21 bbl |
| 5 aL | 3.144905e-20 bbl |
| 10 aL | 6.289811e-20 bbl |
| 25 aL | 1.572453e-19 bbl |
| 50 aL | 3.144905e-19 bbl |
| 100 aL | 6.289811e-19 bbl |
Reverse conversion: Oil barrel to Attoliter
6.289811e-21 bbl × 1.589873e+20 = 1.000000036 aL
6.289811e-21 oil barrels = 1.000000036 attoliters.
attoliters = oil barrels × 1.589873e+20
For a page dedicated to this direction, see Oil barrel to Attoliter.
Understanding the Attoliter (aL)
Attoliter is 1e-18 liter units.
Understanding the Oil barrel (bbl)
An oil barrel is 42 US gallons.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many oil barrels are in 1 attoliter?
1 attoliter equals 6.289811e-21 oil barrels, using the exact defined conversion factor rather than an estimate.
How do I convert attoliter to oil barrel?
Multiply the attoliter value by 6.289811e-21. The converter above does this instantly to whatever precision you set.
How do I convert oil barrel back to attoliter?
Use the reverse factor: 1 oil barrel equals 1.589873e+20 attoliters. You can also use the swap control in the converter above to flip the direction instantly.
What is a attoliter?
Attoliter (aL) is a unit of volume.
What is a oil barrel?
Oil barrel (bbl) is a unit of volume.
Is the attoliter to oil barrel conversion exact?
Yes. Both attoliter and oil barrel are defined by fixed standards rather than physical artifacts, so the factor of 6.289811e-21 used above is exact to as many digits as you choose to display.