Convert litres, millilitres, cubic units, and explicitly labelled US and Imperial gallons and fluid ounces.
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How it works
US liquid and Imperial measures are different and are labelled separately. The US liquid gallon is 231 cubic inches (3.785411784 litres); the Imperial gallon is 4.54609 litres. This tool does not use dry gallons or an unspecified cup size.
Example
1 US liquid gallon = 3.785411784 litres; 1 Imperial gallon = 4.54609 litres.
Reference definitions
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