All the states of matter, which are the solid, liquid, and gas have their ways in which they can be measured. Just like gas and solid, the liquid can also be measured with the use of gallon unit. Gallon can be used in liquid measurements in both the US customary system unit of measurement and the British imperial system unit of measure. There are several sizes of gallon in use today, which include the imperial gallon used majorly in the United Kingdom, and some Caribbean countries, including Canada.
Other sizes of gallon in use majorly in the United States are the main US gallon used in the country, some American Latin countries, and also the US dry gallon which is not really in use like others. At the highest dense level, a UK imperial gallon of water weighs 10.02 pounds, while the US dry gallon weighs 9.71 pounds. But typically, a gallon of water weighs 8.3 pounds.