As an international standard which was set in 1866, oil is measured in barrels. One barrel of oil equals 42 US gallons or 159 liters.
So, how much does a gallon of oil weigh?
There are many factors which can influence the weight of oil, including the storage temperature, density, and pressure.
Motor oil which has been recycled will weigh around 7 pounds (3.17 kg) per gallon.
Crude oil will weigh approximately 7.18 pounds (3.26 kg) per gallon.
There are even heavier oils like glycerin which will weigh 10.5 pounds (4.76 kg) per gallon.
Crude oil is the pinnacle of all commodities as it has many varied uses. This includes the manufacture of gasoline, fabrics, and plastics.
Around 50% of oil which is used in the US will be solely for the transport industry.
The State of Texas has around 5 billion barrels of oil in reserve which makes it the leading state for crude oil production.
Within the borders of the US, there are more than 200,000 oil pipelines.
80% of oil spills are due to human error. The biggest oil spill in history was by the Deep-Water Horizon which lost 4.2 million barrels that ended up in the Gulf of Mexico.
The largest producer of oil in the world is Saudi Arabia with 267 billion barrels in reserve.
While oil is used for energy, it is also used to manufacture products such as chewing gum, clothes, laundry detergent, and bandages.
~ Fun Fact ~
Oil has been in use for over 5000 years when it was once used as a medicine.