Is Gasoline Sold in Litres or Gallons in the US? Key Differences Explained

Discover whether gasoline is sold in litres or gallons in the US and learn about the differences between US and Imperial gallons for fuel measurements.

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In the United States, gasoline is sold by the gallon, not the litre. There are two types of gallons used: the US gallon (about 3.785 liters), which is used in the US, and the Imperial gallon (about 4.546 litres), used in some Commonwealth countries. For automotive purposes, including fuel economy calculation, Americans refer to miles per gallon (mpg). Always ensure to check the gallon type when comparing fuel efficiency or prices with countries outside the US.

FAQs & Answers

  1. Is gasoline in the US sold by litres or gallons? In the United States, gasoline is sold by the gallon, not by the litre.
  2. What is the difference between the US gallon and the Imperial gallon? The US gallon equals about 3.785 litres, while the Imperial gallon, used in some Commonwealth countries, is about 4.546 litres.
  3. How is fuel economy measured in the US? Fuel economy in the US is typically measured in miles per gallon (mpg).
  4. Why is it important to know the type of gallon when comparing fuel prices internationally? Because the US gallon and Imperial gallon differ in volume, knowing the type ensures accurate comparison of fuel efficiency and prices between countries.

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