L as a unit of capacity, one liter = 1 cubic decimeter = 1000 cubic centimeter, and water as a unit of weight, its density is 1 kg/cubic decimeter, so one liter of water = 1 kg = two kilograms of water, of course, this is just the way of water equivalent.
But as long as the density of an object is known, it can be converted into liters and kilograms. For example, the density of automobile gasoline is 0.725 kg/ m3, so it is 1 liter gasoline =0.725 kg = 1.45 kg.
The density of oil is about 0.7 kg/m3 -0.9 kg/m3, so 1 liter of oil is about 0.7-0.9 kg, that is, 1.4- 1.8 kg. The specific conversion results of commercial oil density and liter are as follows: the density of marine diesel oil is 0.886 kg/m3, and 1 liter is equivalent to 1.8 kg.
Extended data:
The conversion between liter and gold is related to the density of liquid;
Kerosene 0.8× 103
Alcohol 0.8× 103
Mercury 13.6× 103
Seawater1.03x103
Pure water 1.0× 103
Gasoline 0.7 1× 103?
Diesel oil 0.85× 103?
Sulfuric acid 1.8× 103?
Vegetable oil? 0.9× 103
Baidu Encyclopedia: Unit Conversion