Weight Of Gasoline Per Gallon. If you are also wondering, “how much does a gallon of gas cost?” Basically, gasoline is a daily necessity to keep the world moving.

This is due to the fact that gasoline contains a number of compounds, few of which covers a set amount of oxygen and other ‘gaseous’ ingredients. The weight of the carbon (5.) can then be multiplied by the weight of the carbon. The weight is further broken down to 2.7669 liters (6.1 pounds) for a gallon of unleaded gasoline and 3.2659 (7.2 pounds) liters for an imperial gallon of gasoline.