Convert milliliters to imperial gallons instantly.
Definition: A milliliter (symbol: mL) is one thousandth of a liter. It is exactly equal to one cubic centimeter.
History/origin: The milliliter emerged naturally from the metric system and became practical because it matched the cubic centimeter used in science and medicine.
Current use: Milliliters are used for medicine doses, food labels, cooking liquids, perfumes, and small drink portions.
Definition: The imperial gallon is the British gallon standard. It is larger than the US gallon and is defined as exactly 4.54609 L.
History/origin: Britain's 1824 imperial reform created one official gallon standard, replacing older gallon variants used for wine, ale, corn, and other goods.
Current use: Imperial gal is seen in older UK records, Commonwealth references, fuel-economy figures, brewing history, marine contexts, and legacy product specifications.
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