Both the US customary and metric systems use the gallon as a volume unit to measure the amount of liquid it can hold. In the United States, one gallon is equivalent to 231 cubic inches, or approximately 3.785 liters. It is 4.54609 liters, but it is known as an imperial gallon in the United Kingdom, Canada, and a few Caribbean nations. Four quarts make up one gallon in each system. The next step is to divide a quart into two pints, which are then divided into two cups, The information that follows is detailed.
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