How lot does a gallon of petrol weigh? exactly how much walk a gallon of diesel weigh? These concerns are essential when you’re trying to decision what you should use for her car, tools, and equipment, or for her emergency strength supply. And also yes, fine be assuming that you’re interested in the load of gasoline and also not just any kind of gas (e.g. Oxygen).

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So, the answer here is, the course, relative, together weight is arbitrarily on other factors. But, to give you an median figure, a U.S. Gallon of petrol weighs about 6 pounds follow to the scientific research and an innovation Desk Reference. Because that comparison, a U.S. Gallon of water weighs about 8.4 pounds.


To provide you a clearer idea of just how much does gas weigh and also why, however, let’s go over the simple formula together.

The quality need of gasoline, as mentioned by ASTM D4052 (The traditional test an approach for density, relative density, and API heaviness of liquids by Digital thickness Meter), is suggested to be in between 0.71 and also 0.78 g/cm3 in a standard density measurement the 15°C (59°F).

So, if we use that 1 gallon equals 4 qts; 1 liter equates to 1.1 qt, and 1000 ml equal 1 liter with a thickness of 0.78 g/mL (the maximum) fine come as much as 2836 grams. And because 454g = 1 lb, this offers us a load of 6.2 U.S. Pounds because that a gallon that gasoline. If we were to gain a more average thickness than 0.78 g/mL us would’ve gotten precisely 6 pounds.

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Another method to calculate it is by going v the royal gallon figure and converting it come U.S. Gallons. So, if 1 royal gallon the water load 10 pounds and also we take it a gasoline density of 0.73 g/mL this time, this method that one imperial gallon of petrol weighs 7.3 pounds. And also since 1 U.S. Gallon is same to 0.83 imperial gallons, we can simply main point 7.3 through 0.83 and we’ll acquire the load of a gallon of gasoline to it is in 6.059 pounds.


We can likewise look in ~ the metric values. To execute this we’ll have to start with the fact that 1 liter that water weighs 1 kilogram. If we variable in a specific gravity of 0.72 climate if for U.S. Gallons we’ll get 3.78 liters and also for royal gallons, we’ll acquire 4.54 liters. This is straightforward calculation come make due to the fact that the base connection of the royal or Metric worths is based on water with a certain gravity the 1. So, it’s basic to recall it as 1 Kg a liter or 10 pounds a gallon.

As because that diesel, it has a thickness of roughly 0.832 g/cm^3 or 0.834 kg/LGallon the diesel can be calculated to have actually a mass of 6.943 pounds every gallon which is a little bit heavier than gasoline.

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. So, a U.S. Because that the royal system, the number is 8.338 pounds per imperial gallon.