Convert us gallons to imperial gallons instantly.
Definition: US gallon na volume unit wey equal exactly 3.785411784 liters, or 4 US quarts.
History/origin: US gallon come from old English wine gallon wey United States keep after independence, instead of the later imperial gallon.
Current use: US gallons dey used for United States for gasoline, paint, industrial liquids, and bigger drink containers.
Definition: Imperial gallon na British gallon standard. E big pass US gallon and dem define am as exactly 4.54609 L.
History/origin: Britain 1824 imperial reform create one official gallon standard, replace old gallon variants for different goods.
Current use: Imperial gal dey show for older UK records, Commonwealth references, fuel-economy figures, brewing history, marine contexts, and legacy product specs.
