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.
1 liter = 1,000 milliliters. This jug has exactly 1 liter of water in it. Liters are often written as L (for short), so 3 L means 3 Liters (some people use lowercase l, but that looks too much like 1). Milk, soda and other drinks are often sold in liters.