How many liters is a barrel of bottled water?

Bottled water capacity is 18.9 liters or 19 liters. Indeed, the capacity of bottled water is designed according to the American system. In the United States, 1 gallon is equal to 3.785 liters and the capacity of bottled water is 5 gallons, or approximately 19 liters. When we buy bottled water, we usually see the capacity listed as 18.9 liters or 19 liters. The weight of a barrel of water depends on the density of the water and the weight of the barrel. The density of water is about 1 g/cm3, and the weight of the barrel is generally between 1 and 2 kg. A 18.9 liter bucket of water weighs approximately 18.9 to 20.9 kilograms. This is why we feel heavy when carrying barrels of water.