365 typical Household drinking water usage
The density of any substance is the mass (in kg) of the substance possessed by unit volume
( 1 cubic meter) of the substance.
1L = 1kg
The Density of Water is approximately 1000Kg/m3.
Hence converted in litre, density of water becomes 1 Kg/Litre. hence mass of 1 L of water is
1 kg. Plus glass or plastics packaging and its stored area.