UPC. 1  The Universal Product Code symbology is used throughout the U.S. and Canadian retail. 2  In its standard version (UPC-A), the bar code consists of a five digit manufacturer number and a five digit product number. 3  0, 1 , 6, 7 and 8 are for regular UPC codes. 4  2 is for random weight items, e.g. meat, marked in-store.
3 liters = 0.793 US gallons 0.660 Imperial gallons Less than 1. 1 US gallon = 3.78541178 liters. 1 UK (Imperial) gallon = 4.54609118 liters.
The imperial gallon is defined as 4.546 liters, and the US gallon equals to 3.785 liters. What is more, the dry gallon is also in use in the USA. It is a bit larger than the liquid gallon and is less common. In most other countries of the world the metric system is adopted.