Convert Barrel (oil, bbl) to US gallon (gal)
Category: Volume
10 bbl = 420 gal
High-precision rounding: 6 decimals
How to convert barrel (oil, bbl) to us gallon (gal)
Volume measures the space a substance occupies. SI uses cubic meters and liters; customary units like gallons, quarts, and pints persist in recipes, fuel, and containers. Accurate volume work often requires temperature and density considerations (e.g., for fuels).
This converter calculates Barrel (oil, bbl) to US gallon (gal) values by using the correct conversion rule for the Volume category. For linear units, standardized factors are used. For temperature, the calculator applies the proper formula with offsets.
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Quick conversion table
Handy values for Barrel (oil, bbl) to US gallon (gal). Click a value to open that exact result.
Conversion formula
Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).
Common mistakes
- Mixing US gallons (3.785 L) with Imperial gallons (4.546 L).
- Assuming kitchen ‘cup’ equals the same volume in every country.
Unit facts
- Barrel (oil, bbl): A petroleum barrel (bbl) is ≈158.9873 L; standard in the oil industry.
- US gallon (gal): The US gallon is exactly 3.785411784 L; used for fuel, beverages, and bulk liquids.
About Barrel (oil, bbl)
Barrel (oil, bbl)
≈ 158.987 L. Benchmark unit in petroleum markets and production statistics.
History: Standardized by the oil industry; the blue 42-gallon barrel (US) became iconic in the early oil boom.
About US gallon (gal)
US gallon (gal)
Exactly 3.785411784 L. Used for fuel, containers, and recipes in the US. Beware of imperial gallon differences.
History: US defined the gallon separately from the British imperial revision; modern value is exact.