Hello, iam Rosa Walker, I hope your day is great!

Well, that’s a surprise! Who knew the American gallon was smaller than other gallons? It’s true - the U.S. liquid gallon is equal to 3.78 liters, while other countries’ gallons are bigger. That means if you’re measuring liquids in different countries, you’ll need to keep this in mind!

Why Is An American Gallon Smaller? [Solved]

Well, in 1824 the Brits switched things up and went with the Imperial measure, which made a gallon 10 pounds or 277.42 cubic inches of water. Meanwhile, over here in the US we’d gone with a system where a gallon was 231 cubic inches of water.

  1. Volume: The American gallon is smaller than the imperial gallon, with a volume of 3.785 liters compared to 4.546 liters for the imperial gallon.

  2. Weight: The American gallon weighs 8.34 pounds, while the imperial gallon weighs 10 pounds.

  3. Usage: The American gallon is primarily used in the United States and some parts of Latin America, while the imperial gallon is used in most other countries around the world, including Canada and the United Kingdom.

  4. History: The American gallon was first defined by law in 1792 as part of a system of measurements based on British units, while the imperial gallon was established by Queen Elizabeth I in 1601 as part of an effort to standardize weights and measures across her kingdom’s colonies and dominions.

Well, the American gallon is smaller than other gallons. It’s about 3.8 liters, compared to 4.5 liters for a UK gallon. So it’s not quite as big - but still pretty sizable!