Gallons to fluid barrels (bbl) volume conversion table shows the most common values for the quick reference. Alternatively, you may use the converter to convert any other values.
1 Gallon [Fluid] = 0.0317460317 Barrel [Fluid]
1 Gallon [Fluid] = 0.0238095238 Barrel [Oil]
1 Gallon [Dry] = 0.03809559265 Barrel [Dry]
Gallon is an imperial and US customary unit. There is one type of gallon in imperial system and 2 types (liquid and dry) in US customary system. It is widely used in daily life, such as measuring the fuel efficiency as miles per gallon, etc. The abbreviation is "gal".
Barrel is a volume unit. Dry, fluid and oil barrels are used widely and they are different in sizes.