Convert us gallons to imperial quarts instantly.
Definition: A US gallon is a unit of volume equal to exactly 3.785411784 liters, or 4 US quarts.
History/origin: The US gallon descends from the older English wine gallon that the United States retained after independence, instead of adopting the later imperial gallon.
Current use: US gallons are used in the United States for gasoline, paint, industrial liquids, and larger beverage containers.
Definition: The imperial quart is one fourth of an imperial gallon. Its volume is approximately 1.13652 L, larger than a US quart.
History/origin: When the imperial gallon became official in 1824, the quart followed as its quarter-size subdivision for trade and household measuring.
Current use: Imperial qt appears mostly in older British recipes, manuals, product references, archival trade records, and conversions involving historical imperial measures.
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