US oil barrels
A US oil barrel, also known as a petroleum barrel, is a volume unit used in the oil and gas industry to measure crude oil or liquid petroleum gas (LPG). One US oil barrel is 42 US gallons or about 159 liters.
US tablespoons
A US tablespoon is a volume unit in the United States used for cooking and baking. One US tablespoon is about 14.79 milliliters.