This tool converts volumes between different types of Gallons and Barrels.

Common Definitions:

• 1 US Liquid Gallon = 3.785411784 Liters
• 1 Imperial Gallon = 4.54609 Liters
• 1 US Oil Barrel = 42 US Liquid Gallons
• 1 US Beer Barrel = 31 US Liquid Gallons
• 1 Imperial Barrel (e.g., Beer/Fluid) = 36 Imperial Gallons