How does an Imperial gallon compare to the US gallon?

Answer

One imperial gallon is approximately equal to 1.201 U.S. gallons.
One imperial gallon is exactly 4.54609 litres, whereas one U.S. gallon is exactly 3.7854118 liters.

First answer by 5oclockman. Last edit by 5oclockman. Contributor trust: 221 [recommend contributor]. Question popularity: 24 [recommend question]

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