US teaspoons
A US teaspoon is a measurement used in the United States for cooking and baking. One US teaspoon is about 4.93 milliliters.
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.