US liquid gallons
A US liquid gallon is a volume measurement used in the United States for liquids such as water, gasoline, and milk. One US liquid gallon is about 3.78541 liters. A standard bathtub is about 80 gallons of water and a car gas tank can hold anywhere between 12 and 20 gallons of gas.
Kiloliters
Kiloliters are volume units in the metric system equal to 1,000 liters. Kiloliters are commonly used to measure large volumes of liquids, such as water in swimming pools or tanks.